This product is a blue-white zinc plated hex head self-drilling screw featuring a 0.5+2.0mm composite EPDM bonded washer. The integrated washer provides excellent sealing performance and offers reliable waterproof protection, enhancing the screw’s corrosion resistance. Equipped with a #3 drill point tip, it eliminates the need for pre-drilling and can quickly penetrate metal sheets up to 3mm thick for secure fastening.
Popular sizes include 5.5x19mm, 5.5x25mm, and 6.3x25mm, making this screw suitable for a variety of metal fastening applications. This product is ideal for users seeking 1/4 hex head self tapping screws, 8mm hex head self tapping screws, hex head self tapping screws for metal, and 10mm hex head self tapping screws.
We welcome any inquiries and are pleased to offer free samples for quality testing. Please feel free to contact us at any time.
