bolt tightening torque
TRANSCRIPT
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Table 6.5 Tightening Torque Metric Bolts (AS 1110, AS 1252) Material: Grade 8.8 Strength
Tensile Strength = 800 MPa Yield Strength = 640 MPa
Bolt Sizes Tightening Torque (Nm)
40% Yield 65 % Yield 80% Yield 95% Yield M 12 30 48 60 70 M 16 60 96 120 142 M 20 135 220 275 300 M 24 246 400 500 590 M 27 350 570 700 770 M 30 450 730 910 1000
M 33 560 920 1120 1270 M 36 660 1070 1320 1570 M 39 800 1300 1600 1860 M 42 900 1470 1810 2160 M 45 1040 1690 2100 2470 M 48 1180 1940 2400 2840
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