Non Ferrous Torque Guide

BOLT SIZE 18-8 S/S BRASS SILICON
BRONZE
ALUMINUM
2024-T4
316 S/S MONEL
IN.-LBS. IN.-LBS. IN.-LBS. IN.-LBS. IN.-LBS. IN.-LBS.
2-56 2.5 2.0 2.3 1.4 2.6 2.5
2-64 3.0 2.5 2.8 1.7 3.2 3.1
3-48 3.9 3.2 3.6 2.1 4.0 4.0
3-56 4.4 3.6 4.1 2.4 4.6 4. 5
4-40 5.2 4.3 4.8 2.9 5.5 5.3
4-48 6.6 5.4 6.1 3.6 6.9 6.7
5-40 7.7 6.3 7.1 4.2 8.1 7.8
5-44 9.4 7.7 8.7 5.1 9.8 9.6
6-32 9.6 7.9 8.9 5.3 10.1 9.8
6-40 12.1 9.9 11.2 6.6 12.7 12.3
8-32 19.8 16.2 18.4 10.8 20.7 20.2
8-36 22.0 18.0 20.4 12.0 23.0 22.4
10-24 22.8 18.6 21.2 13.8 23.8 25.9
10-32 31.7 25.9 29.3 19.2 33.1 34.9
1/4-20 75.2 61.5 68.8 45.6 78.8 85.3
1/4-28 94.0 77.0 87.0 57.0 99.0 106.0
5/16-18 132 107 123 80 138 149
5/16-24 142 116 131 86 147 160
3/8-16 236 192 219 143 247 266
3/8-24 259 212 240 157 271 294
7/16-14 376 317 349 228 393 427
7/16-20 400 327 371 242 418 451
1/2-13 517 422 480 313 542 584
1/2-20 541 443 502 328 565 613
9/16-12 682 558 632 413 713 774
9/16-18 752 615 697 456 787 855
5/8-11 1110 907 1030 715 1160 1330
5/8-18 1244 1016 1154 798 1301 1482
3/4-10 1530 1249 1416 980 1582 1832
3/4-16 1490 1220 1382 958 1558 1790
7/8-9 2328 1905 2140 1495 2430 2775
7/8-14 2318 1895 2130 1490 2420 2755
1-8 3440 2815 3185 2205 3595 4130
1-14 3110 2545 2885 1995 3250 3730
  FT.-LBS. FT.-LBS. FT.-LBS. FT.-LBS. FT.-LBS. FT.-LBS.
1 1/8-7 413 337 383 265 432 499
1 1/8-12 390 318 361 251 408 470
1 1/4-7 523 428 485 336 546 627
1 1/4-12 480 394 447 308 504 575
1 1/2-6 888 727 822 570 930 1064
1 1/2-12 703 575 651 450 732 840

 Any user of this information should be cautioned about using formula's for obtaining torque-tension. Many variables in metal conditioning  and fastener formation can change the variable's used to determine torque. The use of this information is at the sole risk of the user. MEsteel is not responsible for any loss, damage, or claim from the use of the above information. Source used for this chart was taken from Fastener Technology Magazine December 1988.