CNC Machining Parts, Metal Stamping, Casting Parts manufacturer / supplier in China, offering Hardware Fasteners Metal Steel Slotted Oval Raised Countersunk Head Self Tapping Wood Screws DIN7973, Bm Self Drilling Screws Hex (SS 304+CS) Hardened with EPDM Washer, DIN7504 Hexagon Head Self Drilling Screws with Tapping Screw Thread with Collar and so on.