Stainless Screw, Torx Screw, DIN 7982 Screw manufacturer / supplier in China, offering 18-8/304/316 Stainless Steel Flat Head Torx Self Tapping Screw, 304/316/410 Stainless Steel Wafer Head Self Drilling Metal Framing Screw, A2-70/A4-70 Stainless Steel DIN 934 Metric Hex Nut and so on.