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What are the uses of set screws?

The set screw is a kind of screw used to fix the relative position of the parts, so do you know what the purpose of the set screw is?
 
The purpose of the set screw is as follows:
When in use, screw the set screw into the screw hole of the part to be fixed, and press the end of the screw on the surface of another part, even if the former part is fixed on the latter part.




 
Slotted and hexagon socket set screws are used on parts where the nail head is not allowed to be exposed, and square head set screws are suitable for parts where the nail head is allowed to be exposed. The compression force of the screw is smaller than that of the slotted screw, the larger of the square head screw, and the center of the hexagon socket head screw.
 
Cone end screws are suitable for parts with low strength; non-pointed cone end screws are suitable for parts with pits on the pressing surface to increase the ability to transmit loads; flat end screws and concave end screws are suitable for hardness On larger or frequently repositioned parts; long cylindrical end screws are suitable for tubular shafts. Product specifications mainly include GB71, GB73, GB74, GB75, GB77, GB78, GB79, GB80 and so on.
 
A set screw is a screw used to fix the relative position of the parts. The purpose of the set screw: When in use, screw the set screw into the screw hole of the part to be fixed.