Round head screws are generally used on machine screws to lock iron parts, especially on traditional large-scale mechanical equipment, because the round screw head can reduce the impact of the screw head when it is hit, and the sleek head shape is in the When hit, it can slide away smoothly to avoid excessive impact force.

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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