0A–6 GENERAL INFORMATION
Standard Bolt Torque Specifications
The tightening torque values given in the table below are applicable to all bolts unless otherwise specified.
STANDARD BOLT
N·m (kgf·m/lb.ft)
Bolt
Identification
Bolt
Diameter ×
pitch (mm)
M6 × 1.0
M8 × 1.25
M10 × 1.25
* M10 × 1.5
M12 × 1.25
* M12 × 1.75
M14 × 1.5
* M14 × 2.0
M16 × 1.5
* M16 × 2.0
M18 × 1.5
* M18 × 2.5
M20× 1.5
* M20× 2.5
M22× 1.5
* M22× 2.5
M24× 2.0
* M24× 3.0
4 – 8 (0.4 – 0.8/3 – 6)
8 – 18 (0.8 – 1.8/6– 13)
21 – 34 (2.1 – 3.5/5 – 25)
20 – 33 (2.0 – 3.4/15 – 25)
49 – 74 (5.0 – 7.5/36 – 54)
45 – 69 (4.6 – 7.0/33 – 51)
77 – 115 (7.8 – 11.7/56 – 85)
72 – 107 (7.3 – 10.9/53 – 79)
104 – 157 (10.6 – 16.0/77 – 116)
100 – 149 (10.2 – 15.2/74 – 110)
151 – 226 (15.4 – 23.0/110 – 166)
151 – 226 (15.4 – 23.0/110 – 166)
206 – 310 (21.0 – 31.6/152 – 229)
190 – 286 (19.4 – 29.2/140 – 211)
251 – 414 (25.6 – 42.2/185 – 305)
218 – 328 (22.2 – 23.4/161 – 242)
359 – 540 (36.6 – 55.0/265 – 398)
338 – 507 (34.5 – 51.7/250 – 374)
5 – 10 (0.5 – 1.0/4 – 7)
12 – 23 (1.2 – 2.3/9 – 17)
28 – 46 (2.8 – 4.7/20 – 33)
28 – 45 (2.8 – 4.6/20 – 33)
61 – 91 (6.2 – 9.3/45 – 67)
57 – 84 (5.8 – 8.6/42 – 62)
93 – 139 (9.5 – 14.2/69 – 103)
88 – 131 (9.0 – 13.4/65 – 97)
135 – 204 (13.8 – 20.8/100 – 150)
129 – 194 (13.2 – 19.8/96 – 143)
195 – 293 (19.9 – 29.9/144 – 216)
196 – 294 (20.0 – 30.0/145 – 217)
270 – 405 (27.5 – 41.3/199 – 299)
249 – 375 (25.4 – 38.2/184 – 276)
363 – 544 (37.0 – 55.5/268 – 401)
338 – 507 (34.5 – 51.7/250 – 374)
431 – 711 (43.9 – 72.5/318 – 524)
406 – 608 (41.4 – 62.0/299 – 448)
17 – 30 (1.7 – 3.1/12 – 22)
37 – 62 (3.8 – 6.4/28 – 46)
36 – 60 (3.7 – 6.1/27– 44)
76 – 114 (7.7 – 11.6/56 – 84)
72 – 107 (7.3 – 10.9/53 – 79)
114 – 171 (11.6 – 17.4/84 – 126)
107 – 160 (10.9 – 16.3/79 – 118)
160 – 240 (16.3 – 24.5/118 – 177)
153 – 230 (15.6 – 23.4/113 – 169)
230 – 345 (23.4 – 35.2/169 – 255)
231 – 346 (23.6 – 35.5/171 – 255)
317 – 476 (32.3 – 48.5/234 – 351)
293 – 440 (29.9 – 44.9/216 – 325)
425 – 637 (43.3 – 64.9/313 – 469)
394 – 592 (40.2 – 60.4/291 – 437)
554 – 831 (56.5 – 84.7/409 – 613)
521 – 782 (53.1 – 79.7/384 – 576)
An asterisk (*) indicates that the bolts are used for female threaded parts that are made of soft materials such
as casting.
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