
DIN6921 Hex Head Flange Bolt with Serrations Zinc Plating. Diverse Grade Options: Available in Grade 4.8, 8.8, 10.9, and 12.9 to meet various strength requirements. Customization Services: Offers full, minor, and flexible customization based on samples or designs. High Production Capacity: Monthly output capacity of 1500 tons ensures reliable supply for large orders. Strict Quality Control: 100% visual and functional inspection on all finished products before shipment. Wide Application Range: Suitable for machinery, building, automotive, mining, and agricultural sectors. Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments. Experienced Manufacturer: Established in 2009 with over 100 sets of advanced cold heading machines. Competitive Lead Time: Off-peak delivery within 15 workdays; peak season delivery within one month.