The self drilling screws are made of steel C1022 or C1018 material and provide different head types, including flat head, bugle head, and truss head. The self drilling screws can be finished zinc, black phosphated, and ruspert on surface.
- Gauge: M 3.5 - 6.3, # 6 ~ # 14
- Head Type: flat head, bugle head, truss head
- Recess: phillips drive, pozi drive, square drive
- Surface: blue zinc, yellow zinc, black phosphated, ruspert
- Length: 9.5 - 150 mm
- Material: Steel C1022 or C1018.
Sheu Teh is a professional self drilling screws supplier and provides the product with high quality and reasonable price. If you have more questions about self drilling screws, please don't hesitate to contact us.