DIN933/GB5783 Grade12.9 Carbon Steel Zinc Plating High Strength M8m10m12m16m24 Hex Bolt

DIN933/GB5783 Grade12.9 Carbon Steel Zinc Plating High Strength M8m10m12m16m24 Hex Bolt. Factory Direct Supply: Genuine fastener factory in Yongnian with no middleman markup or hidden fees. Flexible MOQ Options: MOQ 1 piece for stock items; 2 tons for custom production to support trial orders. Certified Quality Control: CE certified with full traceability, mill test certificates, and batch testing reports. Custom Surface Treatment: Options include zinc plating, HDG, black oxide, and Dacromet with Cr6+/Cr3+ compliance. Fast Delivery Capacity: 7-15 days for custom orders; ample stock for standard items with split shipment support. Free Sample Provision: Free samples provided for customers who confirm orders (freight borne by customer). Risk-Free After Sales: Complaint response within 2 business days with bilingual technical support.