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DIN912 M4 Alloy Steel Hex Socket Head Cap Screw Black Screw Bolt

DIN912 M4 Alloy Steel Hex Socket Head Cap Screw Black Screw Bolt
  Standard:ASME/ANSI B 18.2.1,IFI149,DIN931,DIN933,DIN558, DIN601,DIN960, DIN961, ISO4014,ISO4017Diameter:1/4"-2 1/2",M4...

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