Function:
1.Black carbon steel material:Self-tapping screws are made of black carbon steel which has excellent durability, abrasion resistance, corrosion resistance
2. Washer Included: Self-tapping screws are equipped with washers, more strong and difficult to loosen
3. Application: Self-tapping screws are suitable for sheet metal steel, aluminum, wood, plastic and other similar materials.No pre-drilling required for self-drilling
4. Applicable industry: This is a self-tapping screw with washers commonly used in the industry
5.Various specifications: This set of self tapping screws has different specifications to meet different needs