CNC Machining Parts, Metal Stamping, Casting Parts manufacturer / supplier in China, offering M12 M14 Plain Finish Carbon Steel Stainless Steel DIN 928 Square Weld Welding Nuts, DIN7991 Allen Bolts 304 Stainless Steel Hex Socket Countersunk Flat Head Screw, DIN 980 Hex Self Locking Anti Loose Nut All Metal Hex Insert Lock Nuts and so on.