76347-385 • 06 -15
4.7
Size Clamp Load Plain Plated
1/4-20 (.250) 2,850 12 ft-lb 9 ft-lb
5/16-18 (.3125) 4,725 25 ft-lb 18 ft-lb
3/8-16 (.375) 6,975 44 ft-lb 33 ft-lb
7/16-14 (.4375) 9,600 70 ft-lb 52 ft-lb
1/2-13 (.500) 12,750 106 ft-lb 80 ft-lb
9/16-12 (.5625) 16,350 153 ft-lb 115 ft-lb
5/8-11 (.625) 20,325 212 ft-lb 159 ft-lb
3/4-10 (.750) 30,075 376 ft-lb 282 ft-lb
7/8-9 (.875) 41,550 606 ft-lb 454 ft-lb
1-8 (1.000) 54,525 909 ft-lb 682 ft-lb
1 1/8-7 (1.125) 68,700 1288 ft-lb 966 ft-lb
1 1/4-7 (1.250) 87,225 1817 ft-lb 1363 ft-lb
1 3/8-6 (1.375) 103,950 2382 ft-lb 1787 ft-lb
1 1/2-6 (1.500) 126,450 3161 ft-lb 2371 ft-lb
Grade 8 - Coarse Thread
Size Clamp Load Plain Plated
1/4-28 (.250) 3,263 14 ft-lb 10 ft-lb
5/16-24 (.3125) 5,113 27 ft-lb 20 ft-lb
3/8-24 (.375) 7,875 49 ft-lb 37 ft-lb
7/16-20 (.4375) 10,650 78 ft-lb 58 ft-lb
1/2-20 (.500) 14,400 120 ft-lb 90 ft-lb
9/16-18 (.5625) 18,300 172 ft-lb 129 ft-lb
5/8-18 (.625) 23,025 240 ft-lb 180 ft-lb
3/4-16 (.750) 33,600 420 ft-lb 315 ft-lb
7/8-14 (.875) 45,825 668 ft-lb 501 ft-lb
1-12 (1.000) 59,700 995 ft-lb 746 ft-lb
1-14 (1.000) 61,125 1019 ft-lb 764 ft-lb
1 1/8-12 (1.125) 77,025 1444 ft-lb 1083 ft-lb
1 1/4-12 (1.250) 96,600 2012 ft-lb 1509 ft-lb
1 3/8-12 (1.375) 118,350 2712 ft-lb 2034 ft-lb
1 1/2-12 (1.500) 142,275 3557 ft-lb 2668 ft-lb
Grade 8 - Fine Thread
General Maintenance • Bolts & Torque