45-009 REV. 8/20
28
5.2 Torque Specifications
The following torque values are to be used on all fasteners unless otherwise specified.
Lubricated refers to fasteners in the “As Received” condition, which is normally a light
preservative oil coating on unplated fasteners and no oil coating on plated fasteners.
No special steps are taken to add further lubrication prior to assembly.
GRADE 8 COARSE THREAD GRADE 5 COARSE THREAD SOCKET HEAD COARSE
THREAD
Bolt Size Lubricated Torque Bolt Size
Lubricated
Torque
Capscrew
Size
Lubricated
Torque
1/4" 11 ft-lbs 1/4" 7.5 ft-lbs 1/4" 12.5 ft-lbs
5/16" 23 5/16" 16 5/16" 26
3/8" 40 3/8" 28 3/8" 46
7/16" 63 7/16" 45 7/16" 74
1/2" 96 1/2" 68 1/2" 115
9/16" 140 9/16" 98 9/16" 160
5/8" 195 5/8" 140 5/8" 215
3/4" 340 3/4" 240 3/4" 385
7/8" 550 7/8" 390 7/8" 615
1" 820 1" 580 1" 920
1-1/8" 1,160 1-1/8" 715 1-1/8" 1,305
1-1/4" 1,640 1-1/4" 1,010 1-1/4" 1,840
1-3/8" 2,150 1-3/8" 1,330 1-3/8" 2,415
1-1/2" 2,850 1-1/2" 1,760 1-1/2" 3,205
Figure 5-1, Torque Chart