nokka 4780P, Installation, Operation And Maintenance Manual, Page: 22 / 36

18
4.5 SCREW TIGHTENING MOMENT NM, METRIC ISO STANDARD
Ruuvin koko
Bolt size
4.8
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5.8
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To
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To
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8.8
ö
lj /
o
il
To
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To
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8.8
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To
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8.8
zn
k
To
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10.
9 ö
lj /
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To
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ran
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To
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ce
12.
9 ö
lj /
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To
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To
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M4 1.0 ±0.1 1.8 ±0,2 - ± - ± - ± - ± - ±
M5 2.8 ±0,3 3.5 ±0.4 6.4 ±0.6 5.7 ± - ± 9 ±1 11 ±1
M6 5 ± 0,5 6 ±0.5 11 ±1 10 ± 12 ±1.2 15 ±1.5 18 ±2
M8 12 ± 1 15 ±1.5 25 ±2 23 ± 30 ±3 35 ±4 45 ±5
M10 23 ± 2 30 ±3 50 ±5 45 ± 60 ±5 70 ±7 90 ±10
M12 - - 50 ±5 90 ±10 80 ± 100 ±10 125 ±10 151 ±15
M14 - - 80 ±8 140 ±15 125 ± 160 ±15 200 ±20 240 ±20
M16 - - 120 ±10 220 ±20 195 ± 250 ±25 300 ±30 370 ±40
M18 - - 170 ±15 300 ±30 270 ± 350 ±35 430 ±40 510 ±50
M20 - - 240 ±25 430 ±40 380 ± 480 ±50 600 ±60 720 ±70
M22 - - 320 ±30 570 ±60 500 ± 650 ±65 800 ±80 970 ±100
M24 - - 400 ±40 740 ±70 660 ± 830 ±80 1030 ±100 1250 ±120
M27 - - 600 ±60 1100 ±100 950 ± 1200 ±120 1500 ±150 1800 ±180
M30 - - 800 ±80 1500 ±150 1300 ± 1600 ±160 2040 ±200 2500 ±250
M33 - - 1100 ±100 2000 ±200 1700 ± 2200 ±220 2800 ±280 3300 ±330
M36 - - 1400 ±150 2500 ±250 2200 ± 2800 ±280 3500 ±400 4300 ±430
M39 - - 1800 ±180 3200 ±300 2900 ± 3700 ±370 4500 ±500 5500 ±500
M42 - - 2400 ±200 4000 ±400 3600 ± 4500 ±450 5700 ±600 6800 ±680