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.
stainless steel or brass.
Standard size and tolerance
conforming to international standard DIN, ANSI,
Custom-made for electrical
household products, electronic products, cameras,
watches, etc. Also suitable for accessories
in DIY shops.