Our company is a joint venture to products of screws system---Chipboard screws, Wood screws and Drywall screws .International standard is GB, JIS, DIN, ANSI, BS. Raw material : Carbon steel 1022 Head type: Countersunk head or Flat head, Pan head., Oval head Driver: Phillips , Pozi , square, torx recess Thread : Coarse thread, Fine thread. With rib or without rib Finish : Hardened, Z.P. ,Waxed Packing : Small or bulk packaging, according to customers' requests Minimum order: 10 tons[...]