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Standard Torque for Dry, Zinc Plated and Steel Fasteners (Metric Series)
| Class 8.8 Bolts, Screws and Studs with |
Thread Size | Regular Height Nuts |
| (Class 8 or Stronger Nuts) |
Class 10.9 Bolts, Screws and Studs with
Regular Height Nuts
(Class 10 or Stronger Nuts)
M5 | X 0.8 | ||||
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M6 | X 1.0 | 96 + 10 in | 1085 + 113 N | ||
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M8 X 1.25 | 19 | + 2 | 26 | + 3 | |
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M10 X 1.5 | 38 | + 4 | 52 | + 5 | |
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M12 | X 1.75 | 66 | + 7 | 90 + 10 N | |
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M16 X 2.0 | 166 | + 17 | 225 | + 23 | |
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M20 X 2.5 | 325 | + 33 | 440 | + 45 | |
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78+ 8
133+ 14
28 + 3
54 + 6
93 + 10
229 + 23
450 + 46
881+ 90
1503 + 158
38 + 4
73 + 8
126 + 14
310 + 31
610 + 62
NOTE: Reduce torque values listed in the table above by 25% for lubricated fasteners. Lubricated fasteners are defined as threads coated with a lubricant such as engine oil or thread sealant such as Loctite.
NOTE: Torque values may have to be reduced when installing fasteners into threaded aluminum or brass. The specific torque value should be determined based on the fastener size, the aluminum or base material strength, length of thread engagement, etc.
NOTE: The nominal torque values listed above are based on 75% of the minimum proof load specified in SAE J1199. The tolerance is approximately + 10% of the nominal torque value.
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