Custom Fasteners, Bolts, Stainless Steel Bolt manufacturer / supplier in China, offering M6 M8 Welding Bolt 10b21 Class 8.8 10.9 Square 3 Projections Under Head Sun Roof Weld Bolt Automotive Fasteners, Special Taptite Weld Bolt with Pilot 3 Projection Foundation Blue White Zinc Coating Dog Point, Tubular Rivet Nut External Thread Bolt M10 35K 45K Color Zinc Coating with 8.8 Grade Nylon Patach 180° 2 Threads Left and so on.