
Bolt Screw Whole SS304 SS316 Stainless Inox DIN6921 Serrated Hexagon Head Flange Bolt Hex Washer. Diverse Material Options: Available in Stainless Steel and Carbon Steel to suit various environments. Wide Size Range: Metric and Inch sizes available from M5 to M50 for versatile applications. High Strength Performance: Class 10.9/12.9 grades ensure high tensile strength and durability. Comprehensive Certification: ISO9001:2013 and ISO9001-2000 certified for quality assurance. Flexible Customization: Full customization, minor customization, and design-based options available. OEM Services: Factory direct with OEM services available for custom requirements. Free Sample Policy: Free samples provided, though freight costs must be covered by the buyer. Multiple Finish Options: Available in polishing, black, and zinc plated finishes.