
Stainless Steel Stock A2 Fastener Hex Flange Square spring Hexagon Nuts with Bolts. Wide Material Selection: Available in Carbon Steel, High Strength Steel, Stainless Steel (SS201/304/316/316L). Comprehensive Size Range: Sizes available from M2 to M120 to meet diverse engineering needs. Multiple Grade Options: Offered in grades 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, and 12.9. Diverse Surface Finishing: Options include Hot Galvanizing, Black, Color-Zinc, and Blue-White. Broad Standard Compliance: Meets DIN, ANSI, GB, JIS, GOST, and BSW international standards. High Production Capacity: Monthly production capacity reaches 1500 tons for large orders. Versatile Applications: Suitable for machinery, environmental, building, automotive, and aerospace sectors. ISO9001 Certified: Manufacturing process certified under ISO9001:2015 quality standards.