01A01-17
HD Series 2600
Introduction
01
E2A - General table of recommended torques for bolts and nuts, in N.m
Inches thread, LOW torque
Grade ISO 4.6 = SAE 1 Grade ISO 8.8 = SAE 5 Grade ISO 10.9 = SAE 8
Gauge Nom. Max. Min. Nom. Max. Min. Nom. Max. Min.
1/4" 5.6 6.4 4.8 10.4 12.0 8.8 15.5 18.0 13.0
5/16" 11.3 13.0 9.6 21.0 24.0 18.0 29.5 34.0 25.0
3/8" 21.0 24.0 18.0 36.5 42.0 31.0 52.0 60.0 44.0
7/16" 33.0 38.0 28.0 60.0 69.0 51.0 84.0 96.0 72.0
1/2" 50.0 57.0 43.0 92.0 104.0 80.0 125.0 140.0 110.0
5/8" 100.0 110.0 90.0 185.0 210.0 160.0 260.0 300.0 220.0
3/4" 175.0 200.0 150.0 325.0 370.0 280.0 460.0 530.0 390.0
7/8" 290.0 330.0 250.0 530.0 610.0 450.0 745.0 850.0 640.0
1" 435.0 500.0 370.0 785.0 900.0 670.0 1120.0 1280.0 960.0
1 1/8" 450.0 510.0 390.0 970.0 1100.0 840.0 1560.0 1760.0 1360.0
1 1/4" 630.0 720.0 540.0 1400.0 1600.0 1200.0 2240.0 2560.0 1920.0
1 1/2" 1130.0 1300.0 960.0 2400.0 2700.0 2100.0 3800.0 4320.0 3280.0
E2B - General table of recommended torques for bolts and nuts, in N.m
Inches thread, NORMAL torque
Grade ISO 4.6 = SAE 1 Grade ISO 8.8 = SAE 5 Grade ISO 10.9 = SAE 8
Gauge Nom. Max. Min. Nom. Max. Min. Nom. Max. Min.
1/4" 7 8 6 13 15 11 19 22 16
5/16" 14 16 12 26 30 22 37 43 31
3/8" 26 30 22 46 53 39 65 75 55
7/16" 41 47 35 75 86 64 105 120 90
1/2" 63 72 54 115 130 100 160 180 140
5/8" 125 140 110 230 260 200 325 370 280
3/4" 220 250 190 405 460 350 575 660 490
7/8" 360 410 310 660 760 560 930 1060 800
1" 540 620 460 980 1120 840 1400 1600 1200
1 1/8" 560 640 480 1220 1390 1050 1950 2200 1700
1 1/4" 790 900 680 1750 2000 1500 2800 3200 2400
1 1/2" 1400 1600 1200 3000 3400 2600 4750 5400 4100
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