Knowledge

Corrosion resistance, wear resistance, high hardness

For self-tapping screws with a diameter of 0.8mm to 12mm. Generally, these screws are of high hardness. Self-tapping screws should undergo screw-in te

There are many names for screws. Everyone may have different names. Some call them screws, some call them screws, some call them standard parts, and s

There are two types of screw surface inspection, one is the inspection before electroplating after the screw is produced, and the other is the inspect

First remove the sludge on the broken surface of the broken screw and use the center gun to kill the center of the section, then use the electric dril

The main categories include ordinary screws, machine screws, self-tapping screws and expansion screws.

Common coarse thread: feature code M+nominal diameter+direction of rotation+thread tolerance zone code (pitch diameter, top diameter)

At present, the standard parts on the market mainly include carbon steel, stainless steel and copper.