SPECIFICATIONS
AU103170 H5B 90
TORQUE SPECIFICATIONS - METRIC HARDWARE
Use the following torques when specifications are not given.
These values apply to fasteners with both coarse and fine threads as received from supplier, plated or unplated, or
when lubricated with engine oil. These values do not apply if graphite or Molydisulfide grease or oil is used. Use of a
click type torque wrench, or better is required.
Grade 12.9 Bolts, Nuts, and Studs
Usually the torque values specified for grade 10.9 fasteners can
be used satisfactorily on grade 12.9 fasteners.
Grade 8.8 Bolts, Nuts, and Studs
Size
Newton
metres
Pound-
Inches
M4 3 to 4 31 to 35
M5 5 to 6 49 to 55
M6 10 to 11 84 to 94
M8 23 to 26 229 to 277
M10 46 to 51 408 to 460
Pound-
Feet
M12 80 to 90 59 to 66
M14 128 to 145 94 to 106
M16 200 to 220 149 to 161
M20 400 to 450 293 to 330
M24 690 to 780 510 to 575
M30 1375 to 1545 1010 to 1140
M36 2400 to 2700 1770 to 1990
8.8
Grade 10.9 Bolts, Nuts, and Studs
Size
Newton
metres
Pound-
Inches
M4 5 to 6 44 to 49
M5 8 to 9 71 to 79
M6 14 to 15 120 to 136
M8 33 to 37 293 to 329
Pound-
Feet
M10 65 to 74 48 to 54
M12 114 to 128 85 to 94
M14 183 to 205 136 to 153
M16 285 to 320 208 to 235
M20 555 to 620 406 to 460
M24 955 to 1075 705 to 790
M30 1900 to 2140 1400 to 1580
M36 3315 to 3730 2445 to 2750
10.9
12.9
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