Stainless steel SS304 316 Ruspert Hex Head Bi Metal Roofing Screw With Washer

Stainless steel SS304 316 Ruspert Hex Head Bi Metal Roofing Screw With Washer. Premium Material Composition: Constructed with SS316 stainless steel and SCM435 for superior strength and corrosion resistance. Extended Salt Spray Resistance: Offers 500 to 5000 hours of salt spray protection depending on the Ruspert coating grade. Customizable Dimensions: Available in sizes ranging from ST3.2 to ST8.0 diameter and 5mm to 300mm length. Bi-Metal Construction: Features a sharp drill point and tapping thread for smooth drilling and strong locking force. ISO Certification: Manufactured under ISO standards with third-party inspection and SGS reports available. Flexible Lead Time: In-stock items ship within 7 days; customized orders delivered in 15-30 days. Free Sample Availability: Free samples provided for testing, though the customer covers freight costs. Comprehensive Customization: Full customization available for grade, surface treatment, packaging, and specific requirements.