Pan head compound groove self-tapping screws
Categories: Self-tapping screws
Our company mostly adopts cold heading process to produce pan-head composite groove self-tapping screws. The production equipment used includes high-speed cold heading machine, high-speed thread rolling machine or high-speed planetary thread rolling machine.
Product Introduction
Our company mostly adopts cold heading process to produce pan-head composite groove self-tapping screws. The production equipment used includes high-speed cold heading machine, high-speed thread rolling machine or high-speed planetary thread rolling machine. The reason why a variety of high-speed machines are used for production is to ensure the final quality of the product. Because only the head shape of such products produced by high-speed machines is better, and the thread quality is more reliable.
Product parameter
Specification: 2.2-14
Length: 3-180mm
Material: Alloy steel
head type: Pan head
Thread type: self-tapping wide thread
Groove type: Composite groove
Tensile strength: 1040-1220Mpa
Rockwell hardness: 32-39
Surface treatment: black zinc
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