Screw standard tightening torque table

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  • Time of issue:2019-09-25 21:04
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Screw standard tightening torque
 
According to the material classification of the screw, it can be roughly divided into: 1. Standard T series (material: SS.SC): ordinary fastening, as far as possible, the series should be used as much as possible;
 
2.0.5T series (CR, CB, AB): Screw, internal thread, fastening body is made of copper, aluminum, plastic, etc. Die-casting products plastic parts (electronic products);
 
3.1.8T series (SGr, SNC, SCM) adopts the special threaded joint of special steel, especially when the bolt is subjected to additional dynamic load (vehicle, engine);
 
4.2.4T series (SGr, SNC, SCM, SNCM): Strong threaded joints made of special steel, especially when the bolts are only subjected to static load (friction combined) for construction.
 
The following is the nominal diameter, T series and tightening torque corresponding value table (N.M):
 
xx
 
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