Japanese Standard Phosphating T Cap Welding Nut Two Point Welding Nut M8x1.25

Japanese standard Phosphating T-cap welding nut two-point welding nut M8*1.25.

Description

The cold heading process is one of the new processes of metal pressure machining with little and no cutting. It is a processing method that uses the plastic deformation generated by the metal under the action of external force, and with the help of the mold, the metal volume is redistributed and transferred to form the required parts or blanks. The cold heading process is most suitable for the production of standard fasteners such as bolts, screws, nuts, rivets, and pins.

Phosphorization is a process of forming a phosphate chemical conversion film by chemical and electrochemical reactions. The phosphate conversion film formed is called a phosphate film.
The purpose of phosphating is mainly to provide protection to the base metal and prevent the metal from being corroded to a certain extent; it is used for primer before painting to improve the adhesion and anti-corrosion ability of the paint film; it is used to reduce friction and lubricate in the metal cold working process. use.

Phosphating is a commonly used pre-treatment technology. In principle, it should be a chemical conversion film treatment. It is mainly used for phosphating on the surface of steel. Non-ferrous metals (such as aluminum and zinc) can also be phosphated.

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