Model
Code Page
13. Repair
131.2
1.8.2005
5
N91c---N111c
N91h---N141h
N121LS, N141LS
43
Tightening torques
Tightening torques, metric standard thread (ISO).
Tightening torques Nm
1
)
Dim. Quality, surface treatment, material and so on
8.8
lubr.
tol.±
8.8
Zne
2
) tol±
8.8
Znk
3
) tol±
10.9
lubr.
tol±
12.9
lubr.
tol±
M4 --- --- --- --- ---
M5 6,4 0,6 5,7 0,5 --- 9 1 11 1
M6 11 1 10 1 12 1,2 15 1,5 18 2
M8 25 2 23 2 30 3 35 4 45 5
M10 50 5 45 5 60 5 70 7 90 10
M12 90 10 80 8 100 10 125 10 151 15
M14 140 15 125 10 160 15 200 20 240 20
M16 220 20 195 20 250 25 300 30 370 40
M18 300 30 270 30 350 35 430 40 510 50
M20 430 40 380 40 480 50 600 60 720 70
M22 570 60 500 50 650 65 800 80 970 100
M24 740 70 660 70 830 80 1030 100 1250 120
M27 1100 100 950 100 1200 120 1500 150 1800 180
M30 1500 150 1300 130 1600 160 2040 200 2500 250
If the bolts differs from the standard range the values in the table must not be used.
1
) 1 Nm=0,102 kpm
2
) Zne=zinc electroplating
3
)Znk=hotgalvanized
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