The types of screw heads Diaries
The round washer head screw is One of the more adaptable screws that you can buy. The screw includes a washer crafted ideal in. This washer enhances the bearing area, growing the power with the link. Camcar Textron developed this screw in 1967, the place In addition it got the knick identify of “star screw”. You’ll find these screws used mos