We are making very special screw nails collated by plastic sheet, can be used same air gun for coil wire nails, and easy to use.
15degrees coil screw nails,
Type of screws head: Philip Head,Robertson Head,Torx Head, 
Diameter can be 2.5mm up to 3.33mm
Length: 45mm up to 100mm
Package: 225-300pieces per coil
Coating: EG,HDG,Heat treated (higher carbon)