Standard Torque for Dry, Zinc Plated, and Steel Fasteners (Metric Fasteners)
Class 8.8 Bolts, Screws, and Studs with
Regular Height Nuts
(Class 8 or Stronger Nuts)
Class 10.9 Bolts, Screws, and Studs with
Regular Height Nuts
(Class 10 or Stronger Nuts)
Thread Size
M5 X 0.8
M6 X 1.0
57 + 5 in−lb
96 + 9 in−lb
19 + 2 ft−lb
38 + 4 ft−lb
66 + 7 ft−lb
166 + 15 ft−lb
325 + 33 ft−lb
640 + 60 N−cm
1018 + 100 N−cm
26 + 3 N−m
78 + 7 in−lb
133 + 13 in−lb
27 + 2 ft−lb
885 + 80 N−cm
1500 + 150 N−cm
36 + 3 N−m
M8 X 1.25
M10 X 1.5
M12 X 1.75
M16 X 2.0
M20 X 2.5
52 + 5 N−m
53 + 5 ft−lb
72 + 7 N−m
90 + 10 N−m
225 + 20 N−m
440 + 45 N−m
92 + 9 ft−lb
125 + 12 N−m
310 + 30 N−m
610 + 50 N−m
229 + 22 ft−lb
450 + 37 ft−lb
Note:
Reduce torque values listed in the table above
on the fastener size, the aluminum or base material
strength, length of thread engagement, etc.
by 25% for lubricated fasteners. Lubricated fasteners
are defined as threads coated with a lubricant such as
oil, graphite, or thread sealant such as Loctite.
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.
Note:
installing fasteners into threaded aluminum or brass.
The specific torque value should be determined based
Torque values may have to be reduced when
Greensmaster 3250−D
Product Records and Maintenance
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