
Carbon Steel Grade 4.8 8.8 10.9 12.9 Half Thread Full Thread Hex Head Bolts Manufacturer. 20 Years Manufacturing Experience: Professional manufacturer with 20 years of production and management experience in fasteners. Wide Material Selection: Available in Carbon Steel, Stainless Steel, Titanium, Aluminum, and Brass with various grades. Custom OEM Services: OEM available for bolt types and certificates including ISO9001, SGS, and RoHS. Strict Quality Standards: Complies with ISO, GB, DIN, JIS, ANSI, BSW, and ASME standards for global markets. Fast Delivery Time: Delivery takes about 7-15 days after details confirmation, with options for urgent orders. Comprehensive Product Range: Includes screws, nuts, knobs, bolts, washers, rivets, anchors, and CNC parts. High Production Capacity: Factory has 70 workers and 80 machines with an output of 2,000,000 pieces per week. Quality Guarantee: Free replacement for rejected products if parts do not match PO drawings.