... nuts Nonstandard screw driver nuts (customized shapes) Power nut /screwdriver nut:Manufacture and supply various full series of screwdriver bits, ... nutsetters, nut drivers, sockets, socket adapters, bit holders and quick ... coating, Zn-coatingHead types:PH, PZ, slot, Torx, square, hex, hex-plus, Z-spanner, Torx hollow, Torx plus, tri-wingType:single ...