24
TORQUE SPECIFICATIONS CHART
Dry Plated
Lubricated
Dry Plated
Lubricated
SAE
Grade 5
SAE
Grade 5
SAE
Grade 5
SAE
Grade 8
SAE
Grade 8
SAE
Grade 8
Nominal Size
Torque
*(Ft-
Lbs)
Torque
*(Ft-Lbs)
Torque
*(Ft-Lbs)
Torque
*(Ft-
Lbs)
Torque
*(Ft-
Lbs)
Torque
*(Ft-Lbs)
1/4 20 8 6
5 12 9
7
1/4 28 10 7
6 14 10 8
5/16 18 17 13 10 25 18 15
5/16 24 19 14 11 27 20 16
3/8 16 31 23 19 44 33 26
3/8 24 35 26 21 49 37 30
7/16 14 49 37 30 70 53 42
7/16 20 55 41 33 78 58 47
1/2 13 76 57 45 106 80 64
1/2 20 85 64 51 120 90 72
9/16 12 109 82 65 153 115 92
9/16 18 122 91 73 172 129 103
5/8 11 150 113 90 212
159 127
5/8 18 170 128 102 240
180 144
3/4 10 266 200 160 376
282 226
3/4 16 297 223 178 420
315 252
7/8 9 430
322 258 606
454 364
7/8 14 474 355 284 668
501 401
1 8
644
483
386
909
682
545
1
14 721 541 433 1019
764 611
1-1/8 7 794 596 475 1288
966 772
1-1/8 12 890 668 534 1444
1083 866
1-1/4 7 1120
840 672 1817
1363
1090
1-1/4 12 1241 930
745
2012
1509 1207
T = BOLT TORQUE (LB. FT.)
T = (KWD) / 12
K = TORQUE COEFFICIENT (K
= 0.20 DRY K = 0.15 PLATED K = 0.12 LUBRICATED)
W = PRELOAD TENSION
D = NOMINAL BOLT SIZE (IN.)
* ALL TORQUE VALUE TOLERANCES ARE ± 5%
