LOFTNESS 51CCH - Metric Hardware and Lock Nuts

62 Carbide Cutter OM
Torque Specifications (Cont’d)
Metric Hardware and Lock Nuts
TORQUE CHARTS
Minimum Hardware Tightening Torques
Normal Assembly Applications
(Metric Hardware and Lock Nuts)
Class 5,8 Class 8,8 Class 10,9 Lock nuts
Nominal
Size
Unplated
or
Plated Silver
Plated
W / ZnCr
Gold
Unplated
or
Plated Silver
Plated
W / ZnCr
Gold
Unplated
or
Plated
Silver
Plated
W / ZnCr
Gold
Class 8
W / CL. 8,8
Bolt
M4 1.7 N•m
(15 in.-lb.)
2.2 N•m
(19 in.-lb.)
2.6 N•m
(23 in.-lb.)
3.4 N•m
(30 in.-lb.)
3.7 N•m
(33 in.-lb.)
4.8 N•m
(42 in.-lb.)
1.8 N•m
(16 in.-lb.)
M6 5.8 N•m
(51 in.-lb.)
7.6 N•m
(67 in.-lb.)
8.9 N•m
(79 in.-lb.)
12 N•m
(102 in.-lb.)
13 N•m
(115 in.-lb.)
17 N•m
(150 in.-lb.)
6.3 N•m
(56 in.-lb.)
M8 14 N•m
(124 in.-lb.)
18 N•m
(159 in.-lb.)
22 N•m
(195 in.-lb.)
28 N•m
(248 in.-lb.)
31 N•m
(274 in.-lb.)
40 N•m
(354 in.-lb.)
15 N•m
(133 in.-lb.)
M10 28 N•m
(21 ft.-lb.)
36 N•m
(27 ft.-lb.)
43 N•m
(32 ft.-lb.)
56 N•m
(41 ft.-lb.)
61 N•m
(45 ft.-lb.)
79 N•m
(58 ft.-lb.)
30 N•m
(22 ft.-lb.)
M12 49 N•m
(36 ft.-lb.)
63 N•m
(46 ft.-lb.)
75 N•m
(55 ft.-lb.)
97 N•m
(72 ft.-lb.)
107 N•m
(79 ft.-lb.)
138 N•m
(102 ft.-lb.)
53 N•m
(39 ft.-lb.)
M16 121 N•m
(89 ft.-lb.)
158 N•m
(117 ft.-lb.)
186 N•m
(137 ft.-lb.)
240 N•m
(177 ft.-lb.)
266 N•m
(196 ft.-lb.)
344 N•m
(254 ft.-lb.)
131N•m
(97 ft.-lb.)
M20 237 N•m
(175 ft.-lb.)
307 N•m
(226 ft.-lb.)
375 N•m
(277 ft.-lb.)
485 N•m
(358 ft.-lb.)
519 N•m
(383 ft.-lb.)
671 N•m
(495 ft.-lb.)
265 N•m
(195 ft.-lb.)
M24 411 N•m
(303 ft.-lb.)
531 N•m
(392 ft.-lb.)
648 N•m
(478 ft.-lb.)
839 N•m
(619 ft.-lb.)
897 N•m
(662 ft.-lb.)
1160 N•m
(855 ft.-lb.)
458 N•m
(338 ft.-lb.)
Appendix