标准螺栓拧紧力矩表
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Tightening torques
[Nm] ±5%
9 13 15 21 30 35 41 60 71 71 104 121 113 165 195 170 250 300 245 350 410 350 490 580
[in lbs] ±5% 80 115 135 185 265 310 360 530 630 630 920 1070 1000 1460 1725 1500 2210 2660 2170 3100 3630 3100 4340 5130
Screw tightening method: Screw in (by hand with torque wrench).
d
M6 M8 M10 M12 M14 M16 M18 M20
Thread size
Strength class
8.8 10.9 12.9 8.8 10.9 12.9 8.8 10.9 12.9 8.8 10.9 12.9 8.8 10.9 12.9 8.8 10.9 12.9 8.8 10.9 12.9 8.8 10.9 12.9
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Tightening torques
[Nm] ±5% 470 670 780 600 850 1000 750 1070 1250 1000 1450 1700 1400 1950 2300 1750 2500 3000 2300 3300 3800
[in lbs] ±5% 4160 5930 6900 5310 7520 8850 6640 9470 11060 8850 12830 15050 12400 17250 20350 15500 22150 26550 20350 29200 33650
Screw connections, preparation and tightening torques
D13-013-EN Rev.: 3
Validity: For all non-dynamically stressed screw connections with shank bolts in accordance with ISO 4014, ISO 4017 and ISO 4762 (DIN 912) with metric standard thread in accordance with DIN ISO 262, unless other specifications are given on CENTA documents.
d
M22 M24 M27 M30 M33 M36 M39
Thread size
Strength class
8.8 10.9 12.9 8.8 10.9 12.9 8.8 10.9 12.9 8.8 10.9 12.9 8.8 10.9 12.9 8.8 10.9 12.9 8.8 10.9 12.9
Preparation of screws that ARE secured with liquid screw locking medium: Give the screws extra lubrication with motor oil under the screw head. Remove all grease from the thread.
Preparation of parts that are to be screwed together: The joining areas must be free of dirt, preservatives and lubricants.
Preparation of screws that ARE NOT secured with liquid screw locking medium: Give the screws extra lubrication with motor oil under the screw head and in the thread.
Issued: anderseck Date: 25.04.2006 Checked: kroll Date: 08.05.2006
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