TM 5-3805-255-14
0131
Table 2. Torque Limits - Metric Fasteners.
Torque values for metric thread fasteners with lubricated* or plated threads†
THREAD
DIAMETER-PITCH
Class 8.8 Bolt
Class 10.9 Bolt
Class 10 Nut
Class 8 Nut
TORQUE
TORQUE
lb-ft (NM)
lb-ft (NM)
M6
5
(7)
7
(9)
M8
12
(16)
17
(23)
M8 x 1
13
(18)
18
(24)
M10
24
(33)
34
(46)
M10 x 1.25
27
(37)
38
(52)
M12
42
(57)
60
(81)
M12 x 1.5
43
(58)
62
(84)
M14
66
(89)
95
(129)
M14 x 1.5
72
(98)
103
(140)
M16
103
(140)
148
(201)
M16 x 1.5
110
(149)
157
(213)
M18
147
(199)
203
(275)
M18 x 1.5
165
(224)
229
(310)
M20
208
(282)
288
(390)
M20 x 1.5
213
(313)
320
(434)
M22
283
(384)
392
(531)
M22 x 1.5
315
(427)
431
(584)
M24
360
(488)
498
(675)
M24 x 2
392
(531)
542
(735)
M27
527
(715)
729
(988)
M27 x 2
569
(771)
788
(1,068)
M30
715
(969)
990
(1,342)
M30 x 2
792
(1,074)
1,096
(1,486)
* All plated and unplated fasteners should be coated with oil before installation.
† Use these torque values if either the bolt or nut is lubricated or plated (zinc-phosphate conversion-coated,
cadmium-plated, or waxed).
0131-3
