
Large Size Fine Thread M12-1.25 Class8.8 Class10.9 Black Oxide Zinc Phosphate Hex Bolt. Comprehensive Material Options: Carbon steel, stainless steel, alloy steel, brass, copper, aluminum, and titanium alloy available. Wide Size Range: Diameter M3-M150 and length 5mm to 12 meters to meet diverse requirements. Multiple Surface Treatments: Black oxide, zinc plating, hot-dip galvanizing, PTFE, Dacromet, and more. Global Standard Compliance: Meets DIN, ANSI, GB, JIS, BSW, GOST, and ISO standards. OEM and ODM Services: Full customization from samples or designs with professional engineering support. High Production Capacity: Annual capacity of 35,000 tons with 15 production lines. Strict Quality Control: ISO 9001 certified with third-party inspection reports like SGS available. Fast Response Time: Business representatives reply within one hour and quotes within 24 hours.