Also known as a countersunk head screw, the head of the entire screw can be screwed into the workpiece without protruding from the head of the screw. Flatten the surface of the workpiece

Characteristics of socket head cap screws
1. It is not easy to slip teeth.
2. It can be countersunk in use, that is, the whole nut is sunk into the workpiece, which can keep the surface of the workpiece smooth and beautiful.
3. More assembly occasions, especially narrow occasions, so it is very convenient to assemble and maintain, and it is also convenient to debug.
4. The tools we usually use are adjustable wrenches, screwdrivers and open-end wrenches, etc., and special wrenches must be used to remove the socket head cap screws. Therefore, it is not easy for ordinary people to disassemble, which is also a benefit.

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