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Is the stainless steel bolt tightened as tight as possible?

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Is the stainless steel bolt tightened as tight as possible?

Release date:2018-11-06 Author: Click:

Today, whether it is fasteners in the mechanical industry, electronic fasteners or electric fasteners. Stainless steel bolts and nuts are attached to many fasteners. They should be guaranteed to have sufficient preload, but not too tight. If it is tightened too tightly, on the one hand, the coupling will be permanently deformed by external force; on the other hand, the bolt will be stretched and permanently deformed, and the pre-tightening force will be reduced, even causing bending or fracture.


According to the online reprint, BMW's ordinary bolt requirements are very strict when training car maintenance workers. The coach showed the simplest tightening workflow: the tightening torque of the screw should be 30 N·m, the force should not be too large or too small, the first angle should reach 90 degrees and should reach the second angle. 180 degrees... All values are strictly required and measured using special tools.


Stainless steel bolts are small and the effect can be important, so choosing the right stainless steel bolts is very important.

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