Standard Bolt And Nut Tightening Torque - Mitsubishi S3Q2 Service Manual

2.2 Standard bolt and nut tightening torque

Description
Metric automobile screw thread
Metric course screw thread
Note: (a) This table lists the tightening torque for standard bolts and nuts.
(b) The numerical values in the table are for fasteners with spring washers.
(c) The table shows the standard values with a maximum tolerance value of ±10%.
(d) Use the tightening torque in this table unless otherwise specified.
(e) Do not apply oil to threaded portions. (Dry)
Table 2-13 Standard bolt and nut tightening torque
Threads Width
Dia × Pitch across flats
(mm) (mm) [in.]
M8 × 1.25 12 [0.47]
M10 × 1.25 14 [0.55]
M12 × 1.25 17 [0.67]
M14 × 1.5 22 [0.87]
M16 × 1.5 24 [0.94]
M18 × 1.5 27 [1.06]
M20 × 1.5 30 [1.18]
M22 × 1.5 32 [1.26]
M24 × 1.5 36 [1.42]
M27 × 1.5 41 [1.61]
M10 × 1.5 14 [0.55]
M12 × 1.75 17 [0.67]
M14 × 2 22 [0.87]
M16 × 2 24 [0.94]
M18 × 2.5 27 [1.06]
M20 × 2.5 30 [1.18]
M22 × 2.5 32 [1.26]
M24 × 3 36 [1.42]
M27 × 3 41 [1.61]
Strength classification
7T
7
N·m kgf·m lbf·ft
17 1.7 13
33 3.4 24
60 6.1 44
97 9.9 72
145 14.8 107
210 21.4 155
291 29.7 215
385 39.3 284
487 49.7 359
738 75.3 544
N·m kgf·m lbf·ft
32 3.3 24
57 5.8 42
93 9.5 69
139 14.2 103
194 19.8 143
272 27.7 201
363 37.0 268
468 47.7 345
686 70.0 506
SERVICE DATA
10.9
10
N·m kgf·m lbf·ft
30 3.1 22
60 6.1 44
108 11.0 80
176 17.9 130
262 26.7 193
378 38.5 279
524 53.4 386
694 70.8 512
878 89.5 648
1328 135.5 979
N·m kgf·m lbf·ft
58 5.9 43
102 10.4 75
167 17.0 123
251 25.6 185
350 35.7 258
489 49.9 361
653 66.6 482
843 86.0 622
1236 126.0 912
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