Cross Recessed Countersunk Head Tapping Screw

Hexagon Head Machine Screw is suitable for situations where the head after tightening cannot be higher than the surface being fastened. Hexagon Head Machine Screws are mostly used for connections between thin metal plates, such as steel plates, saw plates, etc.
Hexagon Machine Screw has a wide range of uses and is mainly used in various electrical appliances, electronic products, computers, mobile phones, communication terminals, furniture, automobiles, lighting, speakers, clocks, instruments, cameras, mechanical equipment, construction equipment and other industries.
Commonly used materials for Hexagon Machine Screws include cold heading, carburized steel, stainless steel, etc.
After heat treatment of carburized steel, the surface hardness of the material shall not be less than 45HRC. In order to meet the performance requirements of Self-tapping Screws, carburizing, quenching and tempering should be carried out.
Stainless steel SUS304, SUS316, stainless steel cross countersunk head Self-Tapping Screws performance grades A2-20H, A4-25H. A2-20H represents austenitic steel, cold working, minimum hardness 200HV, A4-25H represents austenitic steel, cold working, minimum hardness 250HV.
The cross pan head self-tapping screws produced by Hafnium Vanadium are forged from high-quality SUS304 stainless steel, with reliable quality and reasonable price. Welcome to consult.

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