China Factory Spiral Grain Headless Screws Hex Socket Head Stepped Screws For Fixing
Ultra-durable carbon steel construction with corrosion-resistant zinc plating ensures long-term reliability in harsh environments. Precision-engineered spiral grain design enhances grip strength, preventing loosening under high vibration. Hex socket head allows secure fastening with standard tools, ideal for confined spaces. Perfect for automotive assembly, machinery repair, and industrial equipment maintenance. Streamlined stepped profile reduces material stress, offering superior load distribution. Custom bulk orders available for wholesale buyers. Global wholesale pricing with guaranteed quality control. Direct factory supply eliminates middleman costs, delivering unbeatable value for large-quantity purchases.