Low Price Shake Proof Washer

Industry Information

• The difference between low temperature aluminum hard anodizing and normal temperature anodizing

  The difference between low temperature aluminum hard anodizing and normal temperature anodizing Normal aluminum hard anodized is also called ordinary oxide film thickness is generally 5-15 microns,...

• What is a lock washer?

  What is a lock washer? Lock washer consists of two washers, the outside is with a radial convex surface, the inner side of the helical surface. The working principle is very simple: when it is...