Ingersoll-Rand 10000B20, Parts, Operation And Maintenance Manual

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Capscrew (Bolt) Torque Chart
Bolt Diameter
in inches
Grade 5 Tightening Torque Grade 8 Tightening Torque
Dry Lubricated Dry Lubricated
lb. ft N m lb. ft N m lb. ft N m lb. ft N m
No. 10-24 3.5 5 3 4 5 7 4 5
No. 10-32 4 5 3 4 7 9 4 5
1/4-20 8 11 6 8 12 16 9 12
1/4-28 10 13 7 9 14 19 10 13
5/16-18 17 23 13 18 25 34 18 24
5/16-24 19 26 14 19 25 34 20 27
3/8-16 30 40 23 31 45 61 35 47
3/8-24 35 47 25 34 50 68 35 47
7/16-14 50 68 35 47 70 95 55 74
7/16-20 55 74 40 54 80 108 60 81
1/2-13 75 101 55 74 110 150 80 108
1/2-20 90 122 65 88 120 160 90 122
9/16-12 110 150 80 108 150 203 110 150
9/16-18 120 160 90 122 170 230 130 176
5/8-11 150 203 110 150 220 298 170 230
5/8-18 180 244 130 176 240 325 180 244
3/4-10 260 352 200 271 380 515 280 380
3/4-16 300 406 220 298 420 569 320 434
7/8-9 400 542 300 406 600 813 450 610
7/8-14 440 596 320 434 660 895 500 678
1-8 580 786 440 596 900 1220 680 922
1-12 640 867 480 651 1000 1355 740 1003
1-1/8-7 800 1084 600 813 1280 1735 960 1301
1-1/8-12 880 1193 660 895 1440 1952 1080 1464
1-1/4-7 1120 1518 840 1139 1820 2467 1360 1844
1-1/4-12 1240 1681 920 1247 2000 2711 1500 2034
1-1/2-6 1940 2630 1460 1980 3160 4284 2360 3200
1-1/2-12 2200 2982 1640 2223 3560 4826 2660 3606