Types of drive inserts: Slotted and phillips combination, slotted and square socket, pozidrive, H-slot, slotted, phillips recess, square socket, hexagon recess.

Types of heads: heese, binding, pan, truss, flat, oval, round, hexagon, hexagon washer, pan washer .

Points of self-tapping screws: Type A, type AB, type B, type 25(BT), type BF, drill point, type C, type 1(D), type 23, type F, lead or pilot point, type U.

Materials: Steel, stainless steel or brass.

Standard size and tolerance conforming to international standard DIN, ANSI, JIS.

Custom-made for electrical household products, electronic products, cameras, watches, etc. Also suitable for accessories in DIY shops.