Fasteners, CNC Parts, Hex Bolts manufacturer / supplier in China, offering 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, Fully Threaded Metric Brass Bar Studding Rod M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 and so on.