Fasteners, Bolt, Screws manufacturer / supplier in China, offering Malaxy Hex Washer Hexagon Self-Tapping Screw Flange Head Self-Drilling Screw, Malaxy DIN571 Galvanized or Stainless Steel Hex Head Lag Wood Screws Self Tapping Bolts M4-M20, Malaxy DIN 571 M8*30 304 Stainless Steel Hex Wood Screws Self Tapping Screw Custom Sizes Supported Aluminium M14 and so on.