Special Fastener/Non-standard/fastener/bolt/screw Special Fastener/Non-standard/fastener/bolt/screwMaterial: Carbon steel, stainless steel, aluminum, brass, bronze & other special material etc.Dimension range: M5 - M52 ( 1/4 - 2" ), length: 6 - 500 mm Type: DIN, ANSI/ASME, BS, AS