Premium Black Oxide Coating: High-grade 12.9 steel bolts with durable black oxide finish for superior corrosion resistance and sleek aesthetics, ideal for harsh weather conditions.

Military-Grade Strength: Heat-treated alloy steel (grade 12.9) ensures maximum tensile strength (1220 MPa) and fatigue resistance, perfect for heavy-duty trailers and high-performance vehicles.

Precision Threading: M12x55mm fine-thread design guarantees secure fastening with reduced vibration loosening, engineered for wheel hubs and suspension systems.

Versatile Application: Trusted solution for automotive, industrial, and trailer assemblies—compatible with OEM and aftermarket upgrades.

Wholesale Advantage: Direct factory pricing with bulk discounts, backed by global shipping for distributors and repair shops.