Stainless Steel Screw, Fastener, Bolt manufacturer / supplier in China, offering DIN912 Torx Stainless Steel SS304 SS316 Torx Socket Head Cap Screw ISO14579 Machine Screw Bolt, DIN912/GB2671 Stainless Steel 304 Hexalobular Socket Head Cap Screws Torx Machine Screw ISO14579, Bolt M4X12 8.8 Cylinder Bolt Tx20 DIN912/ISO14579 Torx Cap Machine Screws and so on.