... Zinc, Zinc Yellow, H.D.G; Hex Bolt, Hexagon Head Bolts, Hex Cap Screws,We produce the ANSI, DIN, ISO, ... BS and JIS Nuts and Bolts include standard hex Nuts, slotted hex ... G; Our factory specialize in producing standard hex Nuts, slotted hex Nuts, square Nuts, special Nuts and kinds ... , and welcomed by our clients. Hex Bolt, Hexagon Head Bolts, Hex Cap Screws