Countersunk head screws are used in the need to install, the surface of the parts can't be raised, and there were two kinds of thickness of the fastening parts, so-called thick, that is to say the fastening parts thickness is greater than the countersunk head screw head thickness, bolt tightening, t

Materiais不锈钢材质C碳Si 矽Mn锰P磷S硫Ni 镍Cr 铬Mo钼Cu 铜SUSXM7 (302 HQ)Max 0.03Max 1.00Max 2.00Max 0.045Max 0.0308.00~10.0017.00~19.00—3.00~4.00SUS 304 (304 M)Max 0.08M

The 2020 China (Jiaxing) Fastener Industry Expo will be held on October 28-30, 2020. The 2020 China (Jiaxing) Fastener Industry Expo (hereinafter referred to as "Jiaxing Fastener Expo") will be held at the Jiaxing International Convention and Exhibition Center in Zhejiang held with grandeur.Affected

1.the power supply adopts the vertical external characteristic, and the positive polarity is used in the direct current (the welding wire is connected to the negative electrode).2.it is generally suitable for the welding of thin plates below 6mm, with the characteristics of beautiful weld bead and s

Definition of thread: A thread is a shape with a uniform spiral protrusion on the outer or inner surface of a solid. Why use thread?Tightening and connection: suitable for most screw products at this stage.Transmission function (displacement function): such as a micrometer for QC to check the size.S