10.9 Grade Carbon Steel: High tensile strength with excellent impact and fatigue resistance for racing and heavy loads.
Shockproof Anti-Loosening Design: Internal tooth structure prevents loosening under bumpy road vibrations and ensures safety.
Customizable Surface Treatment: Options include silver plating, PVD coating, and customizable colors for decorative anti-corrosion.
Multi-Standard Compatibility: Supports DIN, ANSI, GB, JIS, GOST, and BSW standards with metric and imperial thread sizes.
Full Dimension Inspection: 100% inspection before shipment covering thread precision, tensile load, and salt spray testing.
OEM & ODM Support: Full customization for thread size, length, hex dimension, logo engraving, and packaging.
Precision CNC Machining: Advanced contour forming and thread rolling ensure stable precision and surface texture.
Free Sample Testing: Free samples available for auto parts factories, racing shops, and hardware suppliers.