Torques for four-bolt flange connections (Metric class 10.9)
Bolt
Length
13 mm (0.5 in)
19 mm (0.75 in)
25 mm (1.0 in)
32 mm (1.25 in)
38 mm (1.5 in)
51 mm (2.0 in)
64 mm (2.5 in)
76 mm (3.0 in)
89 mm (3.5 in)
102 mm (4.0 in)
127 mm (5.0 in)
NOTE: Final torque tolerance +/– 10% of the given torque specification.
Torques for four-bolt flange connections (Metric class 8.8)
Bolt
Length
13 mm (0.5 in)
19 mm (0.75 in)
25 mm (1.0 in)
32 mm (1.25 in)
38 mm (1.5 in)
51 mm (2.0 in)
64 mm (2.5 in)
76 mm (3.0 in)
89 mm (3.5 in)
102 mm (4.0 in)
127 mm (5.0 in)
NOTE: Final torque tolerance +/– 10% of the given torque specification.
Bolt
(SAE Code 61)
M8x1.25
34 N·m (25.1 lb ft)
M10x1.5
74 N·m (54.6 lb ft)
M10x1.5
74 N·m (54.6 lb ft)
M10x1.5
74 N·m (54.6 lb ft)
M12x1.75
137 N·m (101.0 lb ft)
M12x1.75
137 N·m (101.0 lb ft)
M12x1.75
137 N·m (101.0 lb ft)
M16x2
310 N·m (228.6 lb ft)
M16x2
310 N·m (228.6 lb ft)
M16x2
310 N·m (228.6 lb ft)
M16x2
310 N·m (228.6 lb ft)
Bolt
(SAE Code 61)
M8x1.25
29 N·m (21.4 lb ft)
M10x1.5
57 N·m (42.0 lb ft)
M10x1.5
57 N·m (42.0 lb ft)
57 N·m (42.0 lb ft)
M10x1.5
M12x1.75
100 N·m (73.8 lb ft)
M12x1.75
100 N·m (73.8 lb ft)
M12x1.75
100 N·m (73.8 lb ft)
M16x2
250 N·m (184.4 lb ft)
M16x2
250 N·m (184.4 lb ft)
M16x2
250 N·m (184.4 lb ft)
M16x2
250 N·m (184.4 lb ft)
INTRODUCTION
Torque
(SAE Code 61)
Torque
(SAE Code 61)
48048569 26/04/2017
21
Bolt
(SAE Code 62)
M8x1.25
34 N·m (25.1 lb ft)
M10x1.5
74 N·m (54.6 lb ft)
M12x1.75
137 N·m (101.0 lb ft)
M12x1.75
137 N·m (101.0 lb ft)
M14x1.5
189 N·m (139.4 lb ft)
M16x2
310 N·m (228.6 lb ft)
M20x2.5
575 N·m (424.1 lb ft)
M24x3
575 N·m (424.1 lb ft)
M30x3.5
680 N·m (501.5 lb ft)
—
—
—
Bolt
(SAE Code 62)
M8x1.25
29 N·m (21.4 lb ft)
M10x1.5
57 N·m (42.0 lb ft)
M12x1.75
100 N·m (73.8 lb ft)
M12x1.75
100 N·m (73.8 lb ft)
M14x1.5
160 N·m (118.0 lb ft)
M16x2
250 N·m (184.4 lb ft)
M20x2.5
500 N·m (368.8 lb ft)
M24x3
575 N·m (424.1 lb ft)
M30x3.5
680 N·m (501.5 lb ft)
—
—
—
Torque
(SAE Code 62)
—
—
—
Torque
(SAE Code 62)
—
—
—