Product Overview GB 15856.4 Hex Head Self-Tapping Screws with EPDM Washers are high-performance industrial fasteners engineered for heavy-duty metal joining, roofing, and cladding applications. Manufactured from premium carbon steel and protected by standard electro-zinc or hot-dip galvanizing, these screws deliver outstanding mechanical strength, rapid installation, and long-lasting corrosion resistance. The integrated EPDM bonded washer creates a tight, weatherproof
Product Overview GB 15856.4 Hex Head Self-Tapping Screws with EPDM Washers are high-performance industrial fasteners engineered for heavy-duty metal joining, roofing, and cladding applications. Manufactured from premium carbon steel and protected by standard electro-zinc or hot-dip galvanizing, these screws deliver outstanding mechanical strength, rapid installation, and long-lasting corrosion resistance. The integrated EPDM bonded washer creates a tight, weatherproof