screw machine 

ALL Kind of screws

Chipboard screws

Drywall screws

Self tapping screws

Self drilling screws

Machine screws  

Wood screws 
Material: carbon steel& Stainless steel

Size:all size

Surface : Yellow zinc black phosphated, gray phosphated
Packing:1000&500 in box -carton-pallet

Also we can produce the screws as customer's drawings and samples with high quality.