M5 0.8 3 ~ 4 (30 ~ 40, 2.2 ~ 2.9) 5 ~ 6 (50 ~ 60, 3.6 ~ 4.3)
M6 1.0 5 ~ 6 (50 ~ 50, 3.6 ~ 4.3) 9 ~ 11 (90 ~ 110, 6.5 ~ 8.0)
M8 1.25 12 ~ 15 (120 ~ 150, 9 ~ 11) 20 ~ 25 (200 ~ 250, 14.5 ~ 18.0 )
M10 1.25 25 ~ 30 (250 ~ 300, 18 ~ 22) 30 ~ 50 (300 ~ 500, 22 ~ 36)
M12 1.25 35 ~ 45 (350 ~ 450, 25 ~ 33) 60 ~ 80 (600 ~ 800, 43 ~ 58)
M14 1.5 75 ~ 85 (750 ~ 850, 54 ~ 61) 120 ~ 140 (1,200 ~ 1,400, 85 ~
100)
M16 1.5 110 ~ 130 (1,100 ~ 1,300, 80 ~
94)
180 ~ 210 (1,800 ~ 2,100, 130 ~
150)
M18 1.5 160 ~ 180 (1,600 ~ 1,800, 116 ~
130)
260 ~ 300 (2,600 ~ 3,000, 190 ~
215)
M20 1.5 220 ~ 250 (2,200 ~ 2,500, 160 ~
180)
360 ~ 420 (3,600 ~ 4,200, 260 ~
300)
M22 1.5 290 ~ 330 (2,900 ~ 3,300, 210 ~
240)
480 ~ 550 (4,800 ~ 5,500, 350 ~
400)
M24 1.5 360 ~ 420 (3,600 ~ 4,200, 260 ~
300)
610 ~ 700 (6,100 ~ 7,000, 440 ~
505)
- The torques shown in the table are standard values under the following conditions :
• Nuts and bolts are made of galvanized steel bar.
• Galvanized plain steel washers are inserted.
• All nuts, bolts and plain washers are dry.
- The torques shown in the table are not applicable :
• When spring washers, toothed washers and the like are inserted.
• If plastic parts are fastened.
• If self-tapping screws or self-locking nuts are used.
• If threads and surfaces are coated with oil.
- If you reduce the torques in the table to the percentage indicated below, under the following conditions, if will
be the standard value.
• If spring washers are used : 85%
• If threads and bearing surfaces are stained with oil : 85%