Carbon Steel Black Phosphate Indented Class 4.8 8.8 Hex Washer Head Bolts

Carbon Steel Black Phosphate Indented Class 4.8 8.8 Hex Washer Head Bolts. Wide Grade Range: Available in Grade 4.8, 8.8, 10.9, 12.9, A2-70, A4-70, and A4-80. Multiple Standards: Complies with DIN, ANSI, ASTM, JIS, BSW, and ISO standards. Extensive Finishing: Options include yellow/blue/white zinc plating, galvanized, HDG, chromate, and dacromet. OEM/ODM Services: Full customization available from samples or designs with flexible options. 100% Quality Inspection: All products undergo strict visual inspection before delivery. Fast Delivery: Stock items delivered in 2 days; production time 15-20 workdays per container. Diverse Material Options: Carbon steel and stainless steel grades SS304 (A2) and SS316 (A4) available. Competitive Pricing: Professional manufacturer offering competitive prices for bulk orders.