不锈钢盖螺母

产品介绍

One end of the cap nut is a closed structure similar to a hat, which can cover the exposed part of the bolt when in use. Prevent the screw from rubbing, and can effectively prevent the intrusion of water and various corrosive substances, and slow down the speed of oxidation and rust of the screw.

产品信息

Productname: Stainless Steel Cap 坚果

Grade: A2-70 A4-70 ETC。

材料： 不锈钢

Specification: M4 -M24

Standard: GB/T923 DIN1587