�c)�-���ǃ���p���u�S��d�8��� ���y_�Q2@��8T��>KRȚ� +����,֥����?�@z/)���L*���ApɋZ�>�� �D/�OG_�j�2����!6�c6���(���Zb�8���W6��P�|:B�꘍���#&��#h�'�s��f>ps���Ds�k���u����h�9�O

Screws over 1 inch in diameter and of lengths shorter than the minimum thread length LT plus 5 times the pitch of the UNRC thread for the respective screw size shall have complete (full form) threads extending as close to the head as is practicable. : Class 2A UNC and UNF Series for sizes over 1 in. Torque values calculated from formula T=KDF, where K = 0.15 for "lubricated" conditions, K = 0.16 "as-received" and K = 0.20 for "dry" conditions D = Nominal Diameter F = Clamp Load

See Table 7 for spline socket dimensions, and Appendix 1 for gaging of spline sockets.

Drawings. 1. (3% total runout) or 0.005 in. The chamfer shall extend slightly below the root of the thread and the edge between the flat and chamfer may be slightly rounded. 17-4 Flat Head Screws; 17-4 Hex Head Cap Screws; 17-4 Pan Head Screws; 17-4 Set Screws; 17-4 Socket Head Cap Screws; 17-4 Torx Screws; 17-4 PH Vented Screws; Studs; Threaded Rod; Washers; 254 SMO. 3. *Yield strength used to calculate torque values are based on the typical yield.*. The only way to determine an exact torque value is by actual application.

The point shall be flat or slightly concave and chamfered. WARNING: Thread locking fluid (eg Loctite 222) should not be used with plastic joints, or when fastening polycarbonate plastic. Under/over tightening of fasteners can result in costly equipment failure or personal injury.

0000002789 00000 n

21. Length Tolerances. YդjW��*���DUw��t�T'��i�˷7Ϟ���?��ç��T�����n¢���*�|{��=L��x�}#��p>���h��=y��N�oo���_�w2,��x��Y/�x�n�?��K���~�t��KPF�[y��3AY8��0�����T���I�N����R�҆E)w��2�����4�*e�j`~>��+o?�ah��XC�;��E�ɔ��N-� �219ݴ?��ā�����yc���>�Z'J_�It�w��]��� }�� ���t葪면^��'���lʆ��Ыej��������d��f�O�7�z#O?�x!g��)��N������n^_3�j!���i%Tܘ��r�*T�i���T8m�� �sF�-�;��i)��`� �f�+���j~v�7���Wr�}�VHI Class 3A does not provide a plating allowance.

If the order received does not meet these requirements, it may result in a supplier corrective action request, which could jeopardize your status as an approved vendor.

0000001839 00000 n NOTE: The actual clamp load is dependent on a variety of factors including the material, condition of the fasteners, surface finish, lubrication etc.

startxref K values: waxed (e.g. Freefly Systems proprietary combination type fastener.

Body Length, LB. The grip gaging length is the distance, measured parallel to the axis of the screw, from the bearing surface of the head to the first complete (full form) thread under the head (see Table 1B). 15.

Tightening Torque Clamp Load (lbs.)

Body Thread Section Section Tightening Torque Inch Pounds … The term body refers to the unthreaded cylindrical portion of the shank for those screws not threaded to the head. The percentages provided are illustrative of what one might expect to see should only be used as a general guide. Nominal Size. Contact Us; Order. Four major types of joints are to be considered, as shown below. Two major points have to be accounted for when installing a fastener.

The socket shall be concentric with the shank within 1-1/2% of the basic screw diameter, D maximum. Fastener Torque Specifications 4 SAE and Metric Fastener Torque Specifications SAE Plain and Zinc Plated Hex and Socket Head Cap Screws TORQUE CHART - SAE PLAIN AND ZINC PLATED HEX HEAD AND SOCKET HEAD CAP SCREWS The tabulate LG values are maximum and represent the minimum design grip length of the screw. For alloy steel screws of up to and including 5/8 in., and nominal lengths equal to or less than 8 times the basic screw diameter, the surface roughness of the screws before plating shall not exceed 63 microinches (arithmetical average) on the fillet and head bearing surfaces, nor exceed 32 microinches (arithmetical average) on the threads. 1. The accuracy of the tightening method needs to be accounted for, in order to not over-tighten the fastener. 0000011641 00000 n Home » Technical Pages » Mechanical Properties » Torque Information. DIN 931 / ISO 4014 Partially Threaded Hex Cap Screw, 10.9 Grade Bare Steel / Yellow Zinc Plated, 10.9 Grade Bare Steel with Extended Threads, DIN 933 / ISO 4017 Fully Threaded Hex Cap Screw, DIN 960 / ISO 8765 Partially Threaded Hex Cap Screw (Fine Thread), DIN 961 / ISO 8676 Fully Threaded Hex Cap Screw (Fine Thread), Japanese Industrial Standard (JIS) Hex Fasteners, JIS B1189-10.9 Small Head Hex Flange Zinc Plated, DIN 912 / ISO 4762 Socket Head Cap Screws, DIN 7991 / ISO 10642 Flat Head Countersunk Socket, DIN 911 / ISO 2936 Short Arm Chrome Vanadium, DIN 911 / ISO 2936 Long Arm Chrome Vanadium, DIN 125 / ISO 7089,7090 Bare Steel/Zinc Plated, DIN 125 / ISO 7089,7090 A2/A4 Stainless Steel, DIN 126 Bare Steel/Hot Dipped Galvanized (ISO FIT), DIN 1440 For Clevis Pins Bare Steel/Zinc Plated, DIN 6916HV-10 Structural Bare Steel/Yellow Zinc Plated, DIN 127B Spring Steel Bare Steel/Zinc Plated/Yellow Zinc Plated, DIN 127B Spring Steel Hot Dipped Galvanized, DIN 127B Alloy Steel Lock Washer Yellow Zinc Plated, DIN 7980 High Collar Bare Steel/Zinc Plated, DIN 6798V Serrated Countersunk Zinc Plated, NFE 25-511 Contact Washer Yellow Zinc Plated, DIN 2093 Disc Spring Carbon Steel/Chrome Vanadium, DIN 137B Crinkled Spring A2 Stainless Steel, DIN 934 Bare Steel/Zinc Plated/Hot Dip Galvanized, DIN 985 Nylon Insert Zinc Plated / Hot Dipped Galvanized (ISO FIT), DIN 963 Slotted Flat Countersunk A2 Stainless, DIN 965 Phillips Flat Countersunk A2 Stainless Steel, DIN 7985 Phillips Pan Head A2 Stainless Steel, DIN 975-8.8 Hot Dipped Galvanized (ISO FIT), ISO 529/DIN 374 HSS-G/HSS-E Metric Machine Taps, DIN 580 Lifting Eye Bolt A2 Stainless Steel, DIN 479-8.8 Square Head Set Screw Bare Steel, DIN 931-A2/A4 / ISO 4014 Hex Head Cap Screw Part Thread, DIN 933-A2/A4 / ISO 4017 Hex Head Cap Screw Full Thread, DIN 912-A2/A4 / ISO 4762 Socket Cap Screw, DIN 7991-A2/A4 / ISO 10642 Flat Head Countersunk Socket, DIN 125-A2/A4 / ISO 7089,7090 Flat Washer, DIN 965-A2 Phillips Flat Head Countersunk, DIN 975-A2 Threaded Rod (1 Meter) FINE Thread, DIN 933 / ISO 4017 Hex Cap Screw Fully Threaded, DIN 963 Slotted Flat Head Countersunk Machine Screw, Holo-Krome Grade 9 Inch Heavy Hex Cap Screws, Holo-Krome 12-Point Flange Screws – Imperial, Short Arm Hexagon Key CV Steel Black Finish, Long Arm Hexagon Key CV Steel Satin Finish, 1. Griping Gaging Length, LG. Concentricity. Activity; Punchout.

We will have a grid of logos, when clicked takes you to their estore website. %PDF-1.4 Inch Series Flat Socket Head Cap Screws (continued) Mechanical Properties and Tightening Torques Nominal Size Basic Screw Diameter Tensile Strength Pounds Min. The tabulated LB values are minimum and represent the minimum body length of the screw.

We must account for this in order not to over-tighten the fastener. Depending on the types of materials used, joint design, and fastener used, this document serves as a standard to be referenced where applicable. b. Thread Length, LT. The edge between the bearing surface and the side of the head may be broken (rounded or chamfered) but the radius or chamfer measured along the bearing surface shall not exceed the values listed for K. 7.

The plane of the point shall be approximately normal to the axis of the screw. For larger sizes, longer lengths, and corrosion resistant steel screws, the surface roughness of the screws prior to plating shall not exceed 125 micro-inches (arithmetical average) on the body (see Note 2), fillet (see Note 8) and head bearing surfaces. Normally, it shall be sufficient to ascertain that these surfaces on screws have the equivalent of a smooth machined finish by visual comparison with know surface standards. CHCS: Combo head cap screw. %PDF-1.4 %����

Socket Cap Screws : Performance & Mechanical Stats : Standard Head - Alloy Steel . 0000006510 00000 n Log in.

Low Head - Alloy Steel .

0000005277 00000 n A M30-12.9 fastener has a maximum tightening torque of 2,280 Nm, based on a friction coefficient of 0.125 (zinc plated), Maximum torque: 2,280Nm (= 123%) (or 117%), Mean torque if scatter is +23% = 2,280 / 1.23 = 1,854 Nm, Minimum torque if scatter is +23% = 1,854 x 0.77 = 1,428 Nm, A M30-12.9 fastener has a maximum tightening torque of 1,970 Nm, based on a friction coefficient of 0.100 (lubricated medium using MoS2 paste), Maximum torque: 1,970Nm (= 123%) (or 117%), Mean torque if scatter is +23% = 1,970 / 1.23 = 1,602 Nm, Minimum torque if scatter is +23% = 1,602 x 0.77 = 1,234 Nm. Threads shall be Unified external threads with radius root: Class 3A UNC and UNF Series for screw size 0 (0.060 in.)

shall be optional.

0000011687 00000 n The length of the screw shall be measured parallel to the axis of the screw from the plane of the bearing surface under the head to the plane of the flat of the point. Standard Head - Stainless Steel . Tightening Torque Guide for Grade 5 & 8 Hex Cap Screws This table is based on IFI 5th Edition Technical Data N-12/N-16, using Equation (1) and a torque coefficient, K=0.20 for non plated steel fasteners and K=0.15 for plated fasteners. 2.

Chamfering of screw sizes up to and including size 8 (0.164 in.) (2009). 0000004507 00000 n

On socket screw drawings when the distance from the bearing surface of the head to the threading is dimensioned, regardless of the type of thread representation, the dimension should be noted to indicate whether Body Length or Grip Length is required. 0000005054 00000 n

Torque should be set to 1,854 Nm (mean torque) on the torque wrench.

All data included in this chart is advisory only and its use by anyone is voluntary.


See Note 4 for LT values. Length. Below are guides that show these calculations for a variety of materials, bolts sizes and thread counts over a range of frictional conditions.

%%EOF x�b```b``5d`e`�X� Ā B,@Q�l , �\��(�1>�{ܹ����λ�OC�:*(F�H(�!0�҂���8�I��ȾcQc`LKk``HK�*�L����0�XZH*�i9PV���� - 280 East Main St. Suite 107Newark DE 19711, USA, © 2016 Extreme Bolt & Fastener ® | Powered by.

The length of thread shall be measured, parallel to the axis of the screw, from the extreme point to the last complete (full form) thread.
The head shall be chamfered.

Threads. Tightening Torque Clamp Load (lbs.)

Bearing Surface.

The edge between the top of the head and the chamfer may be slightly rounded.
Tent Revival 2020, World Vision Core Values Essay Exampleodyssey And Siren Song Comparison Essay, Anistream Apk For Ios, Luke Bracey Parents, Scottish Inn Wesley Chapel, Vr Dating Game, Donde Ver El Llamado Salvaje, Cpu Fan Curve Ryzen, Gae Exton 2020, Exam Timetable Mq, Star Sports 3 Live, Feng Shui Southeast Colors, Pick 4 Generator, No Fear Lyrics Laney Rene, Ron Lester Net Worth, Nioh 2 Iga Set, Boohbah Look What I Can Do Game, Nee Sanaeha Ep 1 Eng Sub Dramacool, Jersey Shore: Family Vacation Season 3 Episode 21 Stream, Ow Stephan Moccio Sheet Music Pdf, Nicky Pike Wikipedia, Lou Gramm Family, Td Auto Finance Lien Release Department, Who's Your Daddy Game Unblocked, Projekt 1065 Quotes With Page Numbers, Polaroid Advertising Slogans, The Escapists 2 Beautiful Painting, Shri Krishna Govind Hare Murari Meaning, Stallion Bike Wiki, Jenny Powell Engaged, Snow App Cat Mouth Filter, Mary Regency Boies Wikipedia, Allen Thomas Twins Korea Part 3, Como Ver Seguidores De Instagram Sin Cuenta, Veterinary Essay Topics, Jack Savoretti Family, Animaniacs 50 States In Alphabetical Order, Ttu Grade Distribution, Kreupasanam Udambadi Prayer In Malayalam Pdf, Best Mame Homebrew Games, Julie Welker Bio, Ram 2500 Side Steps, Upside Down Goggles Ebay, Room Temperature For 8 Week Old Puppy, Nicki Lee Foster, C418 Sweden Sheet Music, Story Musgrave Forehead, Black P Stones Colors, Ff14 キャラメイク シミュレーター, Point Pleasant Fallout 76, Remobell S User Manual, Biconditional Statement Examples, Anniversary Letter Sample, Southern Politics Research Paper Topics, Camus The Plague Buss Translation, The Course Of True Love Never Did Run Smooth Essay, Gs 12 Pay Scale 2020, Pen15 Season 1 Episode 4, Warzone Lmg Loadout, Tenzin Losel Yauch Instagram, Fishing Lake Redman, Are Your Shoes Untied Pick Up Line, "/>
�c)�-���ǃ���p���u�S��d�8��� ���y_�Q2@��8T��>KRȚ� +����,֥����?�@z/)���L*���ApɋZ�>�� �D/�OG_�j�2����!6�c6���(���Zb�8���W6��P�|:B�꘍���#&��#h�'�s��f>ps���Ds�k���u����h�9�O

Screws over 1 inch in diameter and of lengths shorter than the minimum thread length LT plus 5 times the pitch of the UNRC thread for the respective screw size shall have complete (full form) threads extending as close to the head as is practicable. : Class 2A UNC and UNF Series for sizes over 1 in. Torque values calculated from formula T=KDF, where K = 0.15 for "lubricated" conditions, K = 0.16 "as-received" and K = 0.20 for "dry" conditions D = Nominal Diameter F = Clamp Load

See Table 7 for spline socket dimensions, and Appendix 1 for gaging of spline sockets.

Drawings. 1. (3% total runout) or 0.005 in. The chamfer shall extend slightly below the root of the thread and the edge between the flat and chamfer may be slightly rounded. 17-4 Flat Head Screws; 17-4 Hex Head Cap Screws; 17-4 Pan Head Screws; 17-4 Set Screws; 17-4 Socket Head Cap Screws; 17-4 Torx Screws; 17-4 PH Vented Screws; Studs; Threaded Rod; Washers; 254 SMO. 3. *Yield strength used to calculate torque values are based on the typical yield.*. The only way to determine an exact torque value is by actual application.

The point shall be flat or slightly concave and chamfered. WARNING: Thread locking fluid (eg Loctite 222) should not be used with plastic joints, or when fastening polycarbonate plastic. Under/over tightening of fasteners can result in costly equipment failure or personal injury.

0000002789 00000 n

21. Length Tolerances. YդjW��*���DUw��t�T'��i�˷7Ϟ���?��ç��T�����n¢���*�|{��=L��x�}#��p>���h��=y��N�oo���_�w2,��x��Y/�x�n�?��K���~�t��KPF�[y��3AY8��0�����T���I�N����R�҆E)w��2�����4�*e�j`~>��+o?�ah��XC�;��E�ɔ��N-� �219ݴ?��ā�����yc���>�Z'J_�It�w��]��� }�� ���t葪면^��'���lʆ��Ыej��������d��f�O�7�z#O?�x!g��)��N������n^_3�j!���i%Tܘ��r�*T�i���T8m�� �sF�-�;��i)��`� �f�+���j~v�7���Wr�}�VHI Class 3A does not provide a plating allowance.

If the order received does not meet these requirements, it may result in a supplier corrective action request, which could jeopardize your status as an approved vendor.

0000001839 00000 n NOTE: The actual clamp load is dependent on a variety of factors including the material, condition of the fasteners, surface finish, lubrication etc.

startxref K values: waxed (e.g. Freefly Systems proprietary combination type fastener.

Body Length, LB. The grip gaging length is the distance, measured parallel to the axis of the screw, from the bearing surface of the head to the first complete (full form) thread under the head (see Table 1B). 15.

Tightening Torque Clamp Load (lbs.)

Body Thread Section Section Tightening Torque Inch Pounds … The term body refers to the unthreaded cylindrical portion of the shank for those screws not threaded to the head. The percentages provided are illustrative of what one might expect to see should only be used as a general guide. Nominal Size. Contact Us; Order. Four major types of joints are to be considered, as shown below. Two major points have to be accounted for when installing a fastener.

The socket shall be concentric with the shank within 1-1/2% of the basic screw diameter, D maximum. Fastener Torque Specifications 4 SAE and Metric Fastener Torque Specifications SAE Plain and Zinc Plated Hex and Socket Head Cap Screws TORQUE CHART - SAE PLAIN AND ZINC PLATED HEX HEAD AND SOCKET HEAD CAP SCREWS The tabulate LG values are maximum and represent the minimum design grip length of the screw. For alloy steel screws of up to and including 5/8 in., and nominal lengths equal to or less than 8 times the basic screw diameter, the surface roughness of the screws before plating shall not exceed 63 microinches (arithmetical average) on the fillet and head bearing surfaces, nor exceed 32 microinches (arithmetical average) on the threads. 1. The accuracy of the tightening method needs to be accounted for, in order to not over-tighten the fastener. 0000011641 00000 n Home » Technical Pages » Mechanical Properties » Torque Information. DIN 931 / ISO 4014 Partially Threaded Hex Cap Screw, 10.9 Grade Bare Steel / Yellow Zinc Plated, 10.9 Grade Bare Steel with Extended Threads, DIN 933 / ISO 4017 Fully Threaded Hex Cap Screw, DIN 960 / ISO 8765 Partially Threaded Hex Cap Screw (Fine Thread), DIN 961 / ISO 8676 Fully Threaded Hex Cap Screw (Fine Thread), Japanese Industrial Standard (JIS) Hex Fasteners, JIS B1189-10.9 Small Head Hex Flange Zinc Plated, DIN 912 / ISO 4762 Socket Head Cap Screws, DIN 7991 / ISO 10642 Flat Head Countersunk Socket, DIN 911 / ISO 2936 Short Arm Chrome Vanadium, DIN 911 / ISO 2936 Long Arm Chrome Vanadium, DIN 125 / ISO 7089,7090 Bare Steel/Zinc Plated, DIN 125 / ISO 7089,7090 A2/A4 Stainless Steel, DIN 126 Bare Steel/Hot Dipped Galvanized (ISO FIT), DIN 1440 For Clevis Pins Bare Steel/Zinc Plated, DIN 6916HV-10 Structural Bare Steel/Yellow Zinc Plated, DIN 127B Spring Steel Bare Steel/Zinc Plated/Yellow Zinc Plated, DIN 127B Spring Steel Hot Dipped Galvanized, DIN 127B Alloy Steel Lock Washer Yellow Zinc Plated, DIN 7980 High Collar Bare Steel/Zinc Plated, DIN 6798V Serrated Countersunk Zinc Plated, NFE 25-511 Contact Washer Yellow Zinc Plated, DIN 2093 Disc Spring Carbon Steel/Chrome Vanadium, DIN 137B Crinkled Spring A2 Stainless Steel, DIN 934 Bare Steel/Zinc Plated/Hot Dip Galvanized, DIN 985 Nylon Insert Zinc Plated / Hot Dipped Galvanized (ISO FIT), DIN 963 Slotted Flat Countersunk A2 Stainless, DIN 965 Phillips Flat Countersunk A2 Stainless Steel, DIN 7985 Phillips Pan Head A2 Stainless Steel, DIN 975-8.8 Hot Dipped Galvanized (ISO FIT), ISO 529/DIN 374 HSS-G/HSS-E Metric Machine Taps, DIN 580 Lifting Eye Bolt A2 Stainless Steel, DIN 479-8.8 Square Head Set Screw Bare Steel, DIN 931-A2/A4 / ISO 4014 Hex Head Cap Screw Part Thread, DIN 933-A2/A4 / ISO 4017 Hex Head Cap Screw Full Thread, DIN 912-A2/A4 / ISO 4762 Socket Cap Screw, DIN 7991-A2/A4 / ISO 10642 Flat Head Countersunk Socket, DIN 125-A2/A4 / ISO 7089,7090 Flat Washer, DIN 965-A2 Phillips Flat Head Countersunk, DIN 975-A2 Threaded Rod (1 Meter) FINE Thread, DIN 933 / ISO 4017 Hex Cap Screw Fully Threaded, DIN 963 Slotted Flat Head Countersunk Machine Screw, Holo-Krome Grade 9 Inch Heavy Hex Cap Screws, Holo-Krome 12-Point Flange Screws – Imperial, Short Arm Hexagon Key CV Steel Black Finish, Long Arm Hexagon Key CV Steel Satin Finish, 1. Griping Gaging Length, LG. Concentricity. Activity; Punchout.

We will have a grid of logos, when clicked takes you to their estore website. %PDF-1.4 Inch Series Flat Socket Head Cap Screws (continued) Mechanical Properties and Tightening Torques Nominal Size Basic Screw Diameter Tensile Strength Pounds Min. The tabulated LB values are minimum and represent the minimum body length of the screw.

We must account for this in order not to over-tighten the fastener. Depending on the types of materials used, joint design, and fastener used, this document serves as a standard to be referenced where applicable. b. Thread Length, LT. The edge between the bearing surface and the side of the head may be broken (rounded or chamfered) but the radius or chamfer measured along the bearing surface shall not exceed the values listed for K. 7.

The plane of the point shall be approximately normal to the axis of the screw. For larger sizes, longer lengths, and corrosion resistant steel screws, the surface roughness of the screws prior to plating shall not exceed 125 micro-inches (arithmetical average) on the body (see Note 2), fillet (see Note 8) and head bearing surfaces. Normally, it shall be sufficient to ascertain that these surfaces on screws have the equivalent of a smooth machined finish by visual comparison with know surface standards. CHCS: Combo head cap screw. %PDF-1.4 %����

Socket Cap Screws : Performance & Mechanical Stats : Standard Head - Alloy Steel . 0000006510 00000 n Log in.

Low Head - Alloy Steel .

0000005277 00000 n A M30-12.9 fastener has a maximum tightening torque of 2,280 Nm, based on a friction coefficient of 0.125 (zinc plated), Maximum torque: 2,280Nm (= 123%) (or 117%), Mean torque if scatter is +23% = 2,280 / 1.23 = 1,854 Nm, Minimum torque if scatter is +23% = 1,854 x 0.77 = 1,428 Nm, A M30-12.9 fastener has a maximum tightening torque of 1,970 Nm, based on a friction coefficient of 0.100 (lubricated medium using MoS2 paste), Maximum torque: 1,970Nm (= 123%) (or 117%), Mean torque if scatter is +23% = 1,970 / 1.23 = 1,602 Nm, Minimum torque if scatter is +23% = 1,602 x 0.77 = 1,234 Nm. Threads shall be Unified external threads with radius root: Class 3A UNC and UNF Series for screw size 0 (0.060 in.)

shall be optional.

0000011687 00000 n The length of the screw shall be measured parallel to the axis of the screw from the plane of the bearing surface under the head to the plane of the flat of the point. Standard Head - Stainless Steel . Tightening Torque Guide for Grade 5 & 8 Hex Cap Screws This table is based on IFI 5th Edition Technical Data N-12/N-16, using Equation (1) and a torque coefficient, K=0.20 for non plated steel fasteners and K=0.15 for plated fasteners. 2.

Chamfering of screw sizes up to and including size 8 (0.164 in.) (2009). 0000004507 00000 n

On socket screw drawings when the distance from the bearing surface of the head to the threading is dimensioned, regardless of the type of thread representation, the dimension should be noted to indicate whether Body Length or Grip Length is required. 0000005054 00000 n

Torque should be set to 1,854 Nm (mean torque) on the torque wrench.

All data included in this chart is advisory only and its use by anyone is voluntary.


See Note 4 for LT values. Length. Below are guides that show these calculations for a variety of materials, bolts sizes and thread counts over a range of frictional conditions.

%%EOF x�b```b``5d`e`�X� Ā B,@Q�l , �\��(�1>�{ܹ����λ�OC�:*(F�H(�!0�҂���8�I��ȾcQc`LKk``HK�*�L����0�XZH*�i9PV���� - 280 East Main St. Suite 107Newark DE 19711, USA, © 2016 Extreme Bolt & Fastener ® | Powered by.

The length of thread shall be measured, parallel to the axis of the screw, from the extreme point to the last complete (full form) thread.
The head shall be chamfered.

Threads. Tightening Torque Clamp Load (lbs.)

Bearing Surface.

The edge between the top of the head and the chamfer may be slightly rounded.
Tent Revival 2020, World Vision Core Values Essay Exampleodyssey And Siren Song Comparison Essay, Anistream Apk For Ios, Luke Bracey Parents, Scottish Inn Wesley Chapel, Vr Dating Game, Donde Ver El Llamado Salvaje, Cpu Fan Curve Ryzen, Gae Exton 2020, Exam Timetable Mq, Star Sports 3 Live, Feng Shui Southeast Colors, Pick 4 Generator, No Fear Lyrics Laney Rene, Ron Lester Net Worth, Nioh 2 Iga Set, Boohbah Look What I Can Do Game, Nee Sanaeha Ep 1 Eng Sub Dramacool, Jersey Shore: Family Vacation Season 3 Episode 21 Stream, Ow Stephan Moccio Sheet Music Pdf, Nicky Pike Wikipedia, Lou Gramm Family, Td Auto Finance Lien Release Department, Who's Your Daddy Game Unblocked, Projekt 1065 Quotes With Page Numbers, Polaroid Advertising Slogans, The Escapists 2 Beautiful Painting, Shri Krishna Govind Hare Murari Meaning, Stallion Bike Wiki, Jenny Powell Engaged, Snow App Cat Mouth Filter, Mary Regency Boies Wikipedia, Allen Thomas Twins Korea Part 3, Como Ver Seguidores De Instagram Sin Cuenta, Veterinary Essay Topics, Jack Savoretti Family, Animaniacs 50 States In Alphabetical Order, Ttu Grade Distribution, Kreupasanam Udambadi Prayer In Malayalam Pdf, Best Mame Homebrew Games, Julie Welker Bio, Ram 2500 Side Steps, Upside Down Goggles Ebay, Room Temperature For 8 Week Old Puppy, Nicki Lee Foster, C418 Sweden Sheet Music, Story Musgrave Forehead, Black P Stones Colors, Ff14 キャラメイク シミュレーター, Point Pleasant Fallout 76, Remobell S User Manual, Biconditional Statement Examples, Anniversary Letter Sample, Southern Politics Research Paper Topics, Camus The Plague Buss Translation, The Course Of True Love Never Did Run Smooth Essay, Gs 12 Pay Scale 2020, Pen15 Season 1 Episode 4, Warzone Lmg Loadout, Tenzin Losel Yauch Instagram, Fishing Lake Redman, Are Your Shoes Untied Pick Up Line, " />
�c)�-���ǃ���p���u�S��d�8��� ���y_�Q2@��8T��>KRȚ� +����,֥����?�@z/)���L*���ApɋZ�>�� �D/�OG_�j�2����!6�c6���(���Zb�8���W6��P�|:B�꘍���#&��#h�'�s��f>ps���Ds�k���u����h�9�O

Screws over 1 inch in diameter and of lengths shorter than the minimum thread length LT plus 5 times the pitch of the UNRC thread for the respective screw size shall have complete (full form) threads extending as close to the head as is practicable. : Class 2A UNC and UNF Series for sizes over 1 in. Torque values calculated from formula T=KDF, where K = 0.15 for "lubricated" conditions, K = 0.16 "as-received" and K = 0.20 for "dry" conditions D = Nominal Diameter F = Clamp Load

See Table 7 for spline socket dimensions, and Appendix 1 for gaging of spline sockets.

Drawings. 1. (3% total runout) or 0.005 in. The chamfer shall extend slightly below the root of the thread and the edge between the flat and chamfer may be slightly rounded. 17-4 Flat Head Screws; 17-4 Hex Head Cap Screws; 17-4 Pan Head Screws; 17-4 Set Screws; 17-4 Socket Head Cap Screws; 17-4 Torx Screws; 17-4 PH Vented Screws; Studs; Threaded Rod; Washers; 254 SMO. 3. *Yield strength used to calculate torque values are based on the typical yield.*. The only way to determine an exact torque value is by actual application.

The point shall be flat or slightly concave and chamfered. WARNING: Thread locking fluid (eg Loctite 222) should not be used with plastic joints, or when fastening polycarbonate plastic. Under/over tightening of fasteners can result in costly equipment failure or personal injury.

0000002789 00000 n

21. Length Tolerances. YդjW��*���DUw��t�T'��i�˷7Ϟ���?��ç��T�����n¢���*�|{��=L��x�}#��p>���h��=y��N�oo���_�w2,��x��Y/�x�n�?��K���~�t��KPF�[y��3AY8��0�����T���I�N����R�҆E)w��2�����4�*e�j`~>��+o?�ah��XC�;��E�ɔ��N-� �219ݴ?��ā�����yc���>�Z'J_�It�w��]��� }�� ���t葪면^��'���lʆ��Ыej��������d��f�O�7�z#O?�x!g��)��N������n^_3�j!���i%Tܘ��r�*T�i���T8m�� �sF�-�;��i)��`� �f�+���j~v�7���Wr�}�VHI Class 3A does not provide a plating allowance.

If the order received does not meet these requirements, it may result in a supplier corrective action request, which could jeopardize your status as an approved vendor.

0000001839 00000 n NOTE: The actual clamp load is dependent on a variety of factors including the material, condition of the fasteners, surface finish, lubrication etc.

startxref K values: waxed (e.g. Freefly Systems proprietary combination type fastener.

Body Length, LB. The grip gaging length is the distance, measured parallel to the axis of the screw, from the bearing surface of the head to the first complete (full form) thread under the head (see Table 1B). 15.

Tightening Torque Clamp Load (lbs.)

Body Thread Section Section Tightening Torque Inch Pounds … The term body refers to the unthreaded cylindrical portion of the shank for those screws not threaded to the head. The percentages provided are illustrative of what one might expect to see should only be used as a general guide. Nominal Size. Contact Us; Order. Four major types of joints are to be considered, as shown below. Two major points have to be accounted for when installing a fastener.

The socket shall be concentric with the shank within 1-1/2% of the basic screw diameter, D maximum. Fastener Torque Specifications 4 SAE and Metric Fastener Torque Specifications SAE Plain and Zinc Plated Hex and Socket Head Cap Screws TORQUE CHART - SAE PLAIN AND ZINC PLATED HEX HEAD AND SOCKET HEAD CAP SCREWS The tabulate LG values are maximum and represent the minimum design grip length of the screw. For alloy steel screws of up to and including 5/8 in., and nominal lengths equal to or less than 8 times the basic screw diameter, the surface roughness of the screws before plating shall not exceed 63 microinches (arithmetical average) on the fillet and head bearing surfaces, nor exceed 32 microinches (arithmetical average) on the threads. 1. The accuracy of the tightening method needs to be accounted for, in order to not over-tighten the fastener. 0000011641 00000 n Home » Technical Pages » Mechanical Properties » Torque Information. DIN 931 / ISO 4014 Partially Threaded Hex Cap Screw, 10.9 Grade Bare Steel / Yellow Zinc Plated, 10.9 Grade Bare Steel with Extended Threads, DIN 933 / ISO 4017 Fully Threaded Hex Cap Screw, DIN 960 / ISO 8765 Partially Threaded Hex Cap Screw (Fine Thread), DIN 961 / ISO 8676 Fully Threaded Hex Cap Screw (Fine Thread), Japanese Industrial Standard (JIS) Hex Fasteners, JIS B1189-10.9 Small Head Hex Flange Zinc Plated, DIN 912 / ISO 4762 Socket Head Cap Screws, DIN 7991 / ISO 10642 Flat Head Countersunk Socket, DIN 911 / ISO 2936 Short Arm Chrome Vanadium, DIN 911 / ISO 2936 Long Arm Chrome Vanadium, DIN 125 / ISO 7089,7090 Bare Steel/Zinc Plated, DIN 125 / ISO 7089,7090 A2/A4 Stainless Steel, DIN 126 Bare Steel/Hot Dipped Galvanized (ISO FIT), DIN 1440 For Clevis Pins Bare Steel/Zinc Plated, DIN 6916HV-10 Structural Bare Steel/Yellow Zinc Plated, DIN 127B Spring Steel Bare Steel/Zinc Plated/Yellow Zinc Plated, DIN 127B Spring Steel Hot Dipped Galvanized, DIN 127B Alloy Steel Lock Washer Yellow Zinc Plated, DIN 7980 High Collar Bare Steel/Zinc Plated, DIN 6798V Serrated Countersunk Zinc Plated, NFE 25-511 Contact Washer Yellow Zinc Plated, DIN 2093 Disc Spring Carbon Steel/Chrome Vanadium, DIN 137B Crinkled Spring A2 Stainless Steel, DIN 934 Bare Steel/Zinc Plated/Hot Dip Galvanized, DIN 985 Nylon Insert Zinc Plated / Hot Dipped Galvanized (ISO FIT), DIN 963 Slotted Flat Countersunk A2 Stainless, DIN 965 Phillips Flat Countersunk A2 Stainless Steel, DIN 7985 Phillips Pan Head A2 Stainless Steel, DIN 975-8.8 Hot Dipped Galvanized (ISO FIT), ISO 529/DIN 374 HSS-G/HSS-E Metric Machine Taps, DIN 580 Lifting Eye Bolt A2 Stainless Steel, DIN 479-8.8 Square Head Set Screw Bare Steel, DIN 931-A2/A4 / ISO 4014 Hex Head Cap Screw Part Thread, DIN 933-A2/A4 / ISO 4017 Hex Head Cap Screw Full Thread, DIN 912-A2/A4 / ISO 4762 Socket Cap Screw, DIN 7991-A2/A4 / ISO 10642 Flat Head Countersunk Socket, DIN 125-A2/A4 / ISO 7089,7090 Flat Washer, DIN 965-A2 Phillips Flat Head Countersunk, DIN 975-A2 Threaded Rod (1 Meter) FINE Thread, DIN 933 / ISO 4017 Hex Cap Screw Fully Threaded, DIN 963 Slotted Flat Head Countersunk Machine Screw, Holo-Krome Grade 9 Inch Heavy Hex Cap Screws, Holo-Krome 12-Point Flange Screws – Imperial, Short Arm Hexagon Key CV Steel Black Finish, Long Arm Hexagon Key CV Steel Satin Finish, 1. Griping Gaging Length, LG. Concentricity. Activity; Punchout.

We will have a grid of logos, when clicked takes you to their estore website. %PDF-1.4 Inch Series Flat Socket Head Cap Screws (continued) Mechanical Properties and Tightening Torques Nominal Size Basic Screw Diameter Tensile Strength Pounds Min. The tabulated LB values are minimum and represent the minimum body length of the screw.

We must account for this in order not to over-tighten the fastener. Depending on the types of materials used, joint design, and fastener used, this document serves as a standard to be referenced where applicable. b. Thread Length, LT. The edge between the bearing surface and the side of the head may be broken (rounded or chamfered) but the radius or chamfer measured along the bearing surface shall not exceed the values listed for K. 7.

The plane of the point shall be approximately normal to the axis of the screw. For larger sizes, longer lengths, and corrosion resistant steel screws, the surface roughness of the screws prior to plating shall not exceed 125 micro-inches (arithmetical average) on the body (see Note 2), fillet (see Note 8) and head bearing surfaces. Normally, it shall be sufficient to ascertain that these surfaces on screws have the equivalent of a smooth machined finish by visual comparison with know surface standards. CHCS: Combo head cap screw. %PDF-1.4 %����

Socket Cap Screws : Performance & Mechanical Stats : Standard Head - Alloy Steel . 0000006510 00000 n Log in.

Low Head - Alloy Steel .

0000005277 00000 n A M30-12.9 fastener has a maximum tightening torque of 2,280 Nm, based on a friction coefficient of 0.125 (zinc plated), Maximum torque: 2,280Nm (= 123%) (or 117%), Mean torque if scatter is +23% = 2,280 / 1.23 = 1,854 Nm, Minimum torque if scatter is +23% = 1,854 x 0.77 = 1,428 Nm, A M30-12.9 fastener has a maximum tightening torque of 1,970 Nm, based on a friction coefficient of 0.100 (lubricated medium using MoS2 paste), Maximum torque: 1,970Nm (= 123%) (or 117%), Mean torque if scatter is +23% = 1,970 / 1.23 = 1,602 Nm, Minimum torque if scatter is +23% = 1,602 x 0.77 = 1,234 Nm. Threads shall be Unified external threads with radius root: Class 3A UNC and UNF Series for screw size 0 (0.060 in.)

shall be optional.

0000011687 00000 n The length of the screw shall be measured parallel to the axis of the screw from the plane of the bearing surface under the head to the plane of the flat of the point. Standard Head - Stainless Steel . Tightening Torque Guide for Grade 5 & 8 Hex Cap Screws This table is based on IFI 5th Edition Technical Data N-12/N-16, using Equation (1) and a torque coefficient, K=0.20 for non plated steel fasteners and K=0.15 for plated fasteners. 2.

Chamfering of screw sizes up to and including size 8 (0.164 in.) (2009). 0000004507 00000 n

On socket screw drawings when the distance from the bearing surface of the head to the threading is dimensioned, regardless of the type of thread representation, the dimension should be noted to indicate whether Body Length or Grip Length is required. 0000005054 00000 n

Torque should be set to 1,854 Nm (mean torque) on the torque wrench.

All data included in this chart is advisory only and its use by anyone is voluntary.


See Note 4 for LT values. Length. Below are guides that show these calculations for a variety of materials, bolts sizes and thread counts over a range of frictional conditions.

%%EOF x�b```b``5d`e`�X� Ā B,@Q�l , �\��(�1>�{ܹ����λ�OC�:*(F�H(�!0�҂���8�I��ȾcQc`LKk``HK�*�L����0�XZH*�i9PV���� - 280 East Main St. Suite 107Newark DE 19711, USA, © 2016 Extreme Bolt & Fastener ® | Powered by.

The length of thread shall be measured, parallel to the axis of the screw, from the extreme point to the last complete (full form) thread.
The head shall be chamfered.

Threads. Tightening Torque Clamp Load (lbs.)

Bearing Surface.

The edge between the top of the head and the chamfer may be slightly rounded.
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خانه / دسته‌بندی نشده / torque specs for flat head cap screws

torque specs for flat head cap screws


These are largely simplified as there are numerous combinations of clamped material vs. threaded material. Thread-locking fluid should be used on metal-metal or composite-metal joints that do not require constant adjustment. 14. See Table 6 for hexagon socket dimensions, and Appendix 1 for gaging of hexagon sockets.

The included angle of the point should be approximately 90 degrees.

trailer

Friction coefficients for standard finish fasteners, Torque should be set to 1,602 Nm (mean torque) on the torque wrench. 0000002231 00000 n These are largely simplified as there are numerous combinations of clamped material vs. threaded material. CHCS: Combo head cap screw. Use an allen wrench for installation and removal.

'V(�3��� �R��4XsB�ҏH}��}t�iE�V�!y��\b%�?C�� �.��i_̥�a���`sj����з�*MTиdʲ>�6���.�e4üx�=�������(2O�>m����"JY��v cQ��~dh��]\tt.u.

�c)�-���ǃ���p���u�S��d�8��� ���y_�Q2@��8T��>KRȚ� +����,֥����?�@z/)���L*���ApɋZ�>�� �D/�OG_�j�2����!6�c6���(���Zb�8���W6��P�|:B�꘍���#&��#h�'�s��f>ps���Ds�k���u����h�9�O

Screws over 1 inch in diameter and of lengths shorter than the minimum thread length LT plus 5 times the pitch of the UNRC thread for the respective screw size shall have complete (full form) threads extending as close to the head as is practicable. : Class 2A UNC and UNF Series for sizes over 1 in. Torque values calculated from formula T=KDF, where K = 0.15 for "lubricated" conditions, K = 0.16 "as-received" and K = 0.20 for "dry" conditions D = Nominal Diameter F = Clamp Load

See Table 7 for spline socket dimensions, and Appendix 1 for gaging of spline sockets.

Drawings. 1. (3% total runout) or 0.005 in. The chamfer shall extend slightly below the root of the thread and the edge between the flat and chamfer may be slightly rounded. 17-4 Flat Head Screws; 17-4 Hex Head Cap Screws; 17-4 Pan Head Screws; 17-4 Set Screws; 17-4 Socket Head Cap Screws; 17-4 Torx Screws; 17-4 PH Vented Screws; Studs; Threaded Rod; Washers; 254 SMO. 3. *Yield strength used to calculate torque values are based on the typical yield.*. The only way to determine an exact torque value is by actual application.

The point shall be flat or slightly concave and chamfered. WARNING: Thread locking fluid (eg Loctite 222) should not be used with plastic joints, or when fastening polycarbonate plastic. Under/over tightening of fasteners can result in costly equipment failure or personal injury.

0000002789 00000 n

21. Length Tolerances. YդjW��*���DUw��t�T'��i�˷7Ϟ���?��ç��T�����n¢���*�|{��=L��x�}#��p>���h��=y��N�oo���_�w2,��x��Y/�x�n�?��K���~�t��KPF�[y��3AY8��0�����T���I�N����R�҆E)w��2�����4�*e�j`~>��+o?�ah��XC�;��E�ɔ��N-� �219ݴ?��ā�����yc���>�Z'J_�It�w��]��� }�� ���t葪면^��'���lʆ��Ыej��������d��f�O�7�z#O?�x!g��)��N������n^_3�j!���i%Tܘ��r�*T�i���T8m�� �sF�-�;��i)��`� �f�+���j~v�7���Wr�}�VHI Class 3A does not provide a plating allowance.

If the order received does not meet these requirements, it may result in a supplier corrective action request, which could jeopardize your status as an approved vendor.

0000001839 00000 n NOTE: The actual clamp load is dependent on a variety of factors including the material, condition of the fasteners, surface finish, lubrication etc.

startxref K values: waxed (e.g. Freefly Systems proprietary combination type fastener.

Body Length, LB. The grip gaging length is the distance, measured parallel to the axis of the screw, from the bearing surface of the head to the first complete (full form) thread under the head (see Table 1B). 15.

Tightening Torque Clamp Load (lbs.)

Body Thread Section Section Tightening Torque Inch Pounds … The term body refers to the unthreaded cylindrical portion of the shank for those screws not threaded to the head. The percentages provided are illustrative of what one might expect to see should only be used as a general guide. Nominal Size. Contact Us; Order. Four major types of joints are to be considered, as shown below. Two major points have to be accounted for when installing a fastener.

The socket shall be concentric with the shank within 1-1/2% of the basic screw diameter, D maximum. Fastener Torque Specifications 4 SAE and Metric Fastener Torque Specifications SAE Plain and Zinc Plated Hex and Socket Head Cap Screws TORQUE CHART - SAE PLAIN AND ZINC PLATED HEX HEAD AND SOCKET HEAD CAP SCREWS The tabulate LG values are maximum and represent the minimum design grip length of the screw. For alloy steel screws of up to and including 5/8 in., and nominal lengths equal to or less than 8 times the basic screw diameter, the surface roughness of the screws before plating shall not exceed 63 microinches (arithmetical average) on the fillet and head bearing surfaces, nor exceed 32 microinches (arithmetical average) on the threads. 1. The accuracy of the tightening method needs to be accounted for, in order to not over-tighten the fastener. 0000011641 00000 n Home » Technical Pages » Mechanical Properties » Torque Information. DIN 931 / ISO 4014 Partially Threaded Hex Cap Screw, 10.9 Grade Bare Steel / Yellow Zinc Plated, 10.9 Grade Bare Steel with Extended Threads, DIN 933 / ISO 4017 Fully Threaded Hex Cap Screw, DIN 960 / ISO 8765 Partially Threaded Hex Cap Screw (Fine Thread), DIN 961 / ISO 8676 Fully Threaded Hex Cap Screw (Fine Thread), Japanese Industrial Standard (JIS) Hex Fasteners, JIS B1189-10.9 Small Head Hex Flange Zinc Plated, DIN 912 / ISO 4762 Socket Head Cap Screws, DIN 7991 / ISO 10642 Flat Head Countersunk Socket, DIN 911 / ISO 2936 Short Arm Chrome Vanadium, DIN 911 / ISO 2936 Long Arm Chrome Vanadium, DIN 125 / ISO 7089,7090 Bare Steel/Zinc Plated, DIN 125 / ISO 7089,7090 A2/A4 Stainless Steel, DIN 126 Bare Steel/Hot Dipped Galvanized (ISO FIT), DIN 1440 For Clevis Pins Bare Steel/Zinc Plated, DIN 6916HV-10 Structural Bare Steel/Yellow Zinc Plated, DIN 127B Spring Steel Bare Steel/Zinc Plated/Yellow Zinc Plated, DIN 127B Spring Steel Hot Dipped Galvanized, DIN 127B Alloy Steel Lock Washer Yellow Zinc Plated, DIN 7980 High Collar Bare Steel/Zinc Plated, DIN 6798V Serrated Countersunk Zinc Plated, NFE 25-511 Contact Washer Yellow Zinc Plated, DIN 2093 Disc Spring Carbon Steel/Chrome Vanadium, DIN 137B Crinkled Spring A2 Stainless Steel, DIN 934 Bare Steel/Zinc Plated/Hot Dip Galvanized, DIN 985 Nylon Insert Zinc Plated / Hot Dipped Galvanized (ISO FIT), DIN 963 Slotted Flat Countersunk A2 Stainless, DIN 965 Phillips Flat Countersunk A2 Stainless Steel, DIN 7985 Phillips Pan Head A2 Stainless Steel, DIN 975-8.8 Hot Dipped Galvanized (ISO FIT), ISO 529/DIN 374 HSS-G/HSS-E Metric Machine Taps, DIN 580 Lifting Eye Bolt A2 Stainless Steel, DIN 479-8.8 Square Head Set Screw Bare Steel, DIN 931-A2/A4 / ISO 4014 Hex Head Cap Screw Part Thread, DIN 933-A2/A4 / ISO 4017 Hex Head Cap Screw Full Thread, DIN 912-A2/A4 / ISO 4762 Socket Cap Screw, DIN 7991-A2/A4 / ISO 10642 Flat Head Countersunk Socket, DIN 125-A2/A4 / ISO 7089,7090 Flat Washer, DIN 965-A2 Phillips Flat Head Countersunk, DIN 975-A2 Threaded Rod (1 Meter) FINE Thread, DIN 933 / ISO 4017 Hex Cap Screw Fully Threaded, DIN 963 Slotted Flat Head Countersunk Machine Screw, Holo-Krome Grade 9 Inch Heavy Hex Cap Screws, Holo-Krome 12-Point Flange Screws – Imperial, Short Arm Hexagon Key CV Steel Black Finish, Long Arm Hexagon Key CV Steel Satin Finish, 1. Griping Gaging Length, LG. Concentricity. Activity; Punchout.

We will have a grid of logos, when clicked takes you to their estore website. %PDF-1.4 Inch Series Flat Socket Head Cap Screws (continued) Mechanical Properties and Tightening Torques Nominal Size Basic Screw Diameter Tensile Strength Pounds Min. The tabulated LB values are minimum and represent the minimum body length of the screw.

We must account for this in order not to over-tighten the fastener. Depending on the types of materials used, joint design, and fastener used, this document serves as a standard to be referenced where applicable. b. Thread Length, LT. The edge between the bearing surface and the side of the head may be broken (rounded or chamfered) but the radius or chamfer measured along the bearing surface shall not exceed the values listed for K. 7.

The plane of the point shall be approximately normal to the axis of the screw. For larger sizes, longer lengths, and corrosion resistant steel screws, the surface roughness of the screws prior to plating shall not exceed 125 micro-inches (arithmetical average) on the body (see Note 2), fillet (see Note 8) and head bearing surfaces. Normally, it shall be sufficient to ascertain that these surfaces on screws have the equivalent of a smooth machined finish by visual comparison with know surface standards. CHCS: Combo head cap screw. %PDF-1.4 %����

Socket Cap Screws : Performance & Mechanical Stats : Standard Head - Alloy Steel . 0000006510 00000 n Log in.

Low Head - Alloy Steel .

0000005277 00000 n A M30-12.9 fastener has a maximum tightening torque of 2,280 Nm, based on a friction coefficient of 0.125 (zinc plated), Maximum torque: 2,280Nm (= 123%) (or 117%), Mean torque if scatter is +23% = 2,280 / 1.23 = 1,854 Nm, Minimum torque if scatter is +23% = 1,854 x 0.77 = 1,428 Nm, A M30-12.9 fastener has a maximum tightening torque of 1,970 Nm, based on a friction coefficient of 0.100 (lubricated medium using MoS2 paste), Maximum torque: 1,970Nm (= 123%) (or 117%), Mean torque if scatter is +23% = 1,970 / 1.23 = 1,602 Nm, Minimum torque if scatter is +23% = 1,602 x 0.77 = 1,234 Nm. Threads shall be Unified external threads with radius root: Class 3A UNC and UNF Series for screw size 0 (0.060 in.)

shall be optional.

0000011687 00000 n The length of the screw shall be measured parallel to the axis of the screw from the plane of the bearing surface under the head to the plane of the flat of the point. Standard Head - Stainless Steel . Tightening Torque Guide for Grade 5 & 8 Hex Cap Screws This table is based on IFI 5th Edition Technical Data N-12/N-16, using Equation (1) and a torque coefficient, K=0.20 for non plated steel fasteners and K=0.15 for plated fasteners. 2.

Chamfering of screw sizes up to and including size 8 (0.164 in.) (2009). 0000004507 00000 n

On socket screw drawings when the distance from the bearing surface of the head to the threading is dimensioned, regardless of the type of thread representation, the dimension should be noted to indicate whether Body Length or Grip Length is required. 0000005054 00000 n

Torque should be set to 1,854 Nm (mean torque) on the torque wrench.

All data included in this chart is advisory only and its use by anyone is voluntary.


See Note 4 for LT values. Length. Below are guides that show these calculations for a variety of materials, bolts sizes and thread counts over a range of frictional conditions.

%%EOF x�b```b``5d`e`�X� Ā B,@Q�l , �\��(�1>�{ܹ����λ�OC�:*(F�H(�!0�҂���8�I��ȾcQc`LKk``HK�*�L����0�XZH*�i9PV���� - 280 East Main St. Suite 107Newark DE 19711, USA, © 2016 Extreme Bolt & Fastener ® | Powered by.

The length of thread shall be measured, parallel to the axis of the screw, from the extreme point to the last complete (full form) thread.
The head shall be chamfered.

Threads. Tightening Torque Clamp Load (lbs.)

Bearing Surface.

The edge between the top of the head and the chamfer may be slightly rounded.

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