Mitsubishi diesel engines - Standard Bolts and Nuts; Standard Eyebolts

SERVICE STANDARDS
1 - 17
2.2 Standard Bolts and Nuts
4T 7T
Thread
diameter
×pitch (mm)
N･m kgf･m lbf･ft N･m kgf･m lbf･ft
M6×1.0
2.94 to 4.90 0.3 to 0.5 2.2 to 3.6 7.85 to 9.80 0.8 to 1.0 5.8 to 7.2
M8×1.25
9.80 to 12.7 1.0 to 1.3 7.2 to 9.4 14.7 to 21.6 1.5 to 2.2 10.8 to 15.9
M10×1.25
17.7 to 24.5 1.8 to 2.5 0.7 to 1.0 29.4 to 41.2 3.0 to 4.2 21.7 to 30.4
M12×1.25
29.4 to 41.2 3.0 to 4.2 21.7 to 30.4 53.9 to 73.5 5.5 to 7.5 39.8 to 54.2
Note: (a) The above table shows the tightening torques for standard bolts and nuts.
(b) The values in the table apply when tightened together with spring washers.
(c) The above table shows standard values, for which a tolerance of ±10% is allowed.
(d) Unless otherwise specified, standard bolts and nuts should be tightened to the torques in the table.
(e) Do not apply oil to threaded portions (Tighten under dry conditions).
2.3 Standard Eyebolts
Property class
Thread diameter
×pitch (mm)
N･m kgf･m lbf･ft
M8×1.25 8±1 0.8±0.1
5.9±0.7
M10×1.25 15±2 1.5±0.2
11.1±1.5
M12×1.25 25±3 2.5±0.3
18.4±2.2
M14×1.5 34±4 3.5±0.4
25.1±3.0
M16×1.5 44±5 4.5±0.5
32.5±3.7
M18×1.5 74±5 7.5±0.5
54.6±3.7
M20×1.5 98±10 10.0±1.0
72.3±7.4
M24×1.5 147±15 15.0±1.5
108.4±10.8
M27×1.5 226±20 23.0±2.0
166.7±14.8
(Dry conditions)