Standard Torque Specifications Table for Metric
Class 8.8 Steel Fasteners
Thread
Size
Lubricated Torque Dry Torque Clamp Load
N-m in-lb N-m in-lb N lb
M4 X 0.7 2 20 3 27 3,817 858
M5 X 0.8 5 41 6 55 6,170 1,387
M6 X 1 8 70 10 93 8,754 1,968
M7 X 1 13 117 18 156 12,553 2,822
M8 X 1.25 19 169 25 226 15,925 3,580
N-m ft-lb N-m ft-lb
M10 X 1.5 38 28 50 37 25,226 5,671
M12 X
1.75
66 49 88 65 36,653 8,240
M14 X 2 106 78 141 104 50,216 11,289
M16 X 2 164 121 218 161 68,147 15,320
M18 X 2.5 233 172 312 230 86,611 19,471
M20 X 2.5 331 244 441 325 110,151 24,763
M22 X 2.5 450 332 601 443 136,525 30,692
M24 X 3 571 421 762 562 158,619 35,659
M27 X 3 838 618 1,116 823 206,727 46,474
M30 X 3.5 1,135 837 1,513 1,116 252,254 56,709
M33 X 3.5 1,544 1,139 2,059 1,519 312,087 70,160
M36 X 4 1,985 1,464 2,647 1,952 367,512 82,620
Specifications: Torque Specifications Page 2–12 4520P
09.40003Rev 00
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