Fasteners, CNC Parts, Hex Bolts manufacturer / supplier in China, offering Fastener Flanged Hexagon Head Bolts Stainless Steel M4 M6 M8 M10 M12 DIN 6921 Hex Flange Bolt 3/18-16 Stainless Bolt, M3 M4 M5 M6 Full Threaded Bar Fully Zinc Plated Steel Metric Thread Rod Screw Bolt Stud Length 12/16/20/25/30/35/40/50/60~190mm, Brass Threaded Rod Copper Full Threaded Stud Bar Thread Stud Bolt M6 M8 M10 M12 M16 and so on.