Efficient CNC Parts Solutions for OEM & ODM - Chuanghe Fastener TEL: 0086-18607694667 E-MAIL: info3@dgchuanghe.com
Self-tapping screws have various names. They're often called metal screws, sheet metal screws, tapping screws, or tapper screws.
Head type:socket head, round head, pan head,CSK head,Flat head, oval head, truss head, torx head cylinder head,etc
Surface Treatment:zinc plated /blue/yellow / white /Passivation/black/nickle/chrome