SELF DRILLING SCREW WITHOUT WASHER (FOR METAL)

SELF DRILLING SCREW WITH WASHER (FOR METAL)

• Can cut through metals without the need of pilot holes.
• Suitable to use in soft metals, etc. It provides excellent tensile strength.
• Yellow zinc plated to offers low protection to corrosion and rust.
• It matched with EPDM washer not only be dustproof and waterproof but also enhancing the ability of fastening.