Damage torque of stainless steel bolts and screws, damage torque of carbon steel bolts

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Destructive torque of austenitic stainless steel bolts and screws

                                                                                                                                                            Threaded Failure torque Tm(N.m)
performance rate
50 70 80
M1.6 0.15 0.2 0.24
M2 0.3 0.4 0.48
M2.5 0.6 0.9 0.96
M3 1.1 1.6 1.8
M4 2.7 3.8 4.3
M5 5.5 7.8 8.8
M6 9.3 13 15
M8 23 32 37
M10 46 65 74
M12 80 110 130
M16 210 290 330

The destruction torque of the carbon steel 8.8 9.8 10.9 12.9 bolt

                                                               Thread                        specification                                                      Pitch mm Minimum destructive torque (unit: N.M)
8.8 grede 9.8grade 10.9grade 12.9grade
M1 0.25 0.033 0.036 0.04 0.045
M1.2 0.25 0.075 0.082 0.092 0.1
M1.4 0.3 0.12 0.13 0.14 0.16
M1.6 0.35 0.16 0.18 0.2 0.22
M2 0.4 0.37 0.4 0.45 0.54
M2.5 0.45 0.82 0.9 1 1.1
M3 0.5 1.5 1.7 1.9 2.1
M3.5 0.6 2.4 2.7 3 3.3
M4 0.7 3.6 3.9 4.4 4.9
M5 0.8 7.6 8.3 9.3 10
M6 1 13 14 16 17
M7 1 23 25 28 31
M8 1.25 33 36 40 44
M8*1 1 38 42 46 52
M10 1.5 66 72 81 90
M10*1 1 84 92 102 114
M10*1.25 1.25 75 82 91 102

Note: the minimum torque values apply to 6 g, 6 f e thread

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