螺丝头类型
平底锅, 大圆扁头, 平板型, 椭圆形, 圆形, 六角, Bugle
Thread type
Fine Thread,Coasre Thread , Twins
Head type
Bugle,Flat,Truss,Oval,Hexaonal Head
Recess Type
Phillips,Pozi,Torx,Socket Hexagaonl
Coating Color
Black , yellow, White,
Surface treatment
Heat Treating,Phosphate ,Zinc Plated,Nickel,Hot Dip Galvanize
Material
Carbon Steel, Stainless Steel
Certificate
ISO9001:2008,SGS
Packing type
Small Color box + Carton + Pallet