The largest and best supported Jaguar cars enthusiast site on the Internet!


Serving Enthusiasts since 1993
The Jag-lovers Web

Currently with 3,166 members





Torque Settings for Steel Fasteners

Torque Settings for Steel Fasteners

Grade "A"
Diameter of thread BSW BSF UNC UNF
1/4" 3.6 4 3.6 4
5/16" 7.4 7.9 7.4 8.2
3/8" 13 14 13 15
7/16" 21 23 21 23
1/2" 31 34 32 36
9/16" 46 50 46 52
5/8" 64 66 64 72
3/4" 113 118 114 126
7/8" 181 191 183 201
1" 272 288 274 299
1 1/8" 367 411 389 434
All measurements are in ft-lbs
To convert to Nm multiply by 0.1386

Grade "P"
Diameter of thread BSW BSF UNC UNF
1/4" 5.3 5.9 5.3 6
5/16" 11 12 11 12
3/8" 19 21 19 22
7/16" 31 33 31 34
1/2" 46 50 47 53
9/16" 68 73 68 76
5/8" 93 100 94 106
3/4" 166 173 167 185
7/8" 266 280 269 295
1" 400 422 402 438
1 1/8" 567 602 570 637
All measurements are in ft-lbs
To convert to Nm multiply by 0.1386

Grade "R"
Diameter of thread BSW BSF UNC UNF
1/4" 8.2 9.1 8.2 9.3
5/16" 17 18 17 19
3/8" 30 32 30 34
7/16" 48 51 48 53
1/2" 70 77 73 82
9/16" 104 113 105 117
5/8" 144 154 145 164
3/4" 256 268 256 286
7/8" 411 433 415 456
1" 617 652 621 678
1 1/8" 876 931 881 964
All measurements are in ft-lbs
To convert to Nm multiply by 0.1386

Grade "S"
Diameter of thread BSW BSF UNC UNF
1/4" 9.1 9.1 10 10
5/16" 19 19 20 21
3/8" 33 33 36 36
7/16" 53 53 58 60
1/2" 79 82 85 91
9/16" 117 117 126 131
5/8" 161 162 172 183
3/4" 286 288 300 319
7/8" 460 464 464 510
1" 690 695 729 757
1 1/8" 979 985 1041 1100
All measurements are in ft-lbs
To convert to Nm multiply by 0.1386

Grade "T"
Diameter of thread BSW BSF UNC UNF
1/4" 11 12 11 12
5/16" 22 23 22 24
3/8" 38 41 39 44
7/16" 62 67 62 69
1/2" 91 100 94 106
9/16" 135 146 137 152
5/8" 187 200 188 212
3/4" 331 347 333 370
7/8" 532 580 537 590
1" 799 844 804 877
1 1/8" 1134 1205 1140 1273
All measurements are in ft-lbs
To convert to Nm multiply by 0.1386

Grade "X"
Diameter of thread BSW BSF UNC UNF
1/4" 15 17 15 17
5/16" 31 33 31 34
3/8" 55 59 55 63
7/16" 88 95 89 99
1/2" 130 143 135 152
9/16" 194 210 195 217
5/8" 267 286 269 304
3/4" 474 497 477 529
7/8" 762 802 769 845
1" 1144 1208 1152 1255
1 1/8" 1624 1725 1632 1823
All measurements are in ft-lbs
To convert to Nm multiply by 0.1386

If you have any questions or comments send e-mail to: ted@jag-lovers.org
Main Page Back to the Library

 

Please help support the move to the new site, and DONATE what you can.
A big Thank You to those who have donated already!

 


       
       
       
       

Go to our Homepage
Improve your Jag-lovers experience with the Mozilla FireFox Browser!

  View the latest posts from our Forums via an RSS Feed!

Jag-loversTM Ltd / JagWEBTM 1993 - 2017
All rights reserved. Jag-lovers is supported by JagWEBTM
For Terms of Use and General Rules see our Disclaimer
Use of the Jag-lovers logo or trademark name on sites other than Jag-lovers itself in a manner implying endorsement of commercial activities whatsoever is prohibited. Sections of this Web Site may publish members and visitors comments, opinion and photographs/images - Jag-lovers Ltd does not assume or have any responsibility or any liability for members comments or opinions, nor does it claim ownership or copyright of any material that belongs to the original poster including images. The word 'Jaguar' and the leaping cat device, whether used separately or in combination, are registered trademarks and are the property of Jaguar Cars, England. Some images may also be Jaguar Cars. Mirroring or downloading of this site or the publication of material or any extracts therefrom in original or altered form from these pages onto other sites (including reproduction by any other Jaguar enthusiast sites) without express permission violates Jag-lovers Ltd copyright and is prohibited
Go to our Homepage
Your Browser is: CCBot/2.0 (http://commoncrawl.org/faq/), IP Address logged as 54.158.55.5 on 22nd Oct 2017 10:08:55