Specification :

Brass self-tapping screws series
Brass is an alloy of primarily copper and zinc. It is surprisingly strong but a very soft metal. And it is highly corrosion resistant and electric conductor.
Standards:
ANSI, BS, DIN, JIS, etc
Specifications:
Head Type: Flat head, Oval head, Round head, Hex head
Drive Type: Phillips, Square, Slotted, Phillips/Slotted, Torx, Pozi, Hexagon
Diameter: #2 - #16
Length: 1/4" - 6"
Features:
Material: Brass
Surface finish: Self colour, Pickling
Inner packing:
Polybag or as customers' requests
Outer packing:
Carton or as customers' requests