National standard, USA standard, metric standard, international standard and JIS standard; Specifications: diameters rang from 1.5~6mm, and length from 2.5~85mm.
Including tapping screw, machine screw, tapping lock screw and others of carbon steel, copper and stainless steel used in electronic, communications, appliances, instrument and furniture industries.
Rivets and other products: Semi-hollow and solid rivets, washers and other fasteners used in different industries and lathe-machined products for instruments.
Non-standard products: For some non-standard products with high requirement on quality or difficult to processing, we can offer combined screws in all aspects