Brass wood screwsbrass fastenerscopper fastenersBrass wood 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: #0 - #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