Metal Roofing Screw Ruspert 1000-1500hrs Hex Head Self Drilling Tek Bimetallic Screw

Metal Roofing Screw Ruspert 1000-1500hrs Hex Head Self Drilling Tek Bimetallic Screw. Bimetallic Construction: Combines SS316 and SCM435 for superior strength and corrosion resistance. Extended Salt Spray Resistance: Ruspert coating provides 500 to 5000 hours of salt spray protection. Customized Dimensions: Available in various sizes including 5.5mm/12# and 6.3mm/14# with custom options. Fast Delivery: In-stock items ship within 7 days; customized orders take 15-30 days. Free Sample Availability: Free samples provided; customer covers freight costs. Third-Party Inspection: Testing reports available from SGS and other third-party agencies. ISO Certification: Manufacturing process certified under ISO9001:2015 standards. Hex Head Design: Features a hexagon head with sharp drill point for smooth self-drilling.