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04.03 2019 Common problems in stainless steel reaming and avoidance methods

When reaming stainless steel, it is often encountered: the surface of the hole is easy to be grooved, the ro

04.03 2019 Three hardness standards for metallic materials

The ability of a metal material to resist the indentation of a hard object is called hardness. According to

04.03 2019 Our fastener industry needs to work hard to improve itself.

Screws are tools that use the physics and mathematical principles of the circular rotation and friction of t