Bolt nominal
diameter (mm)
|
Pitch (mm)
|
Torque Nm (kg.cm, lb.ft)
|
Head Mark 4
|
Head Mark 7
|
|

|

|

|

|
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)
|
See also:
Inspection
1.
Insert a thin stick (A) into the PCV valve (B) from
the threaded side to check that the plunger movement.
...
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