GENERAL INFORMATION 0A–7
The tightening torque values given in the table below are applicable to all bolts unless otherwise specified.
FLANGED HEAD 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
5 – 9 (0.5 – 0.9/4 – 7)
11 – 20 (1.1 – 2.0/8 – 15)
23 – 39 (2.4 – 3.9/17 – 28)
22 – 37 (2.3 – 3.8/17 – 28)
55 – 82 (5.6 – 8.4/40 – 61)
51 – 77 (5.2 – 7.8/38 – 56)
83 – 125 (8.5 – 12.7/62 – 92)
77 – 116 (7.9 – 11.8/57 – 85)
116 – 173 (11.8 – 17.7/85 – 128)
109 – 164 (11.2 – 16.7/81 – 121)
6 – 12 (0.6 – 1.2/4 – 9)
15 – 28 (1.6 – 2.9/12 – 21)
35 – 59 (3.6 – 6.1/26 – 44)
35 – 58 (3.5 – 5.8/25 – 42)
77 – 117 (7.9 – 11.9/57 – 86)
71 – 107 (7.3 – 10.9/53 – 79)
115 – 172 (11.7 –17.6/85 – 127)
108 – 162 (11.1 – 16.6/80 – 120)
171 – 257 (17.4 – 26.2/126 – 190)
163 – 244 (16.6 – 24.9/120 – 180)
18 – 34 (2.1 – 3.4/15 – 25)
42 – 71 (4.3 – 7.2/31 – 52)
40 – 67 (4.1 – 6.8/30 – 49)
85 – 128 (8.7 – 13.0/63 – 94)
80 – 119 (8.1 – 12.2/59 – 88)
123 – 185 (12.6 – 18.9/91 – 137)
116 – 173 (11.8 – 17.7/85 – 128)
177 – 265 (18.0 – 17.1/130 – 196)
169 – 253 (17.2 – 25.8/124 – 187)
A bolt with an asterisk (*) is used for female screws that are made of soft materials such as cast iron.
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