Self-Tapping Screws
Diameter: St2.2 ~ 24 (4# ~ 1'')
Length：9.5 ~200mm(3/8 ~ 8'')
Material：Carbon Steel, Alloy Steel（ISO2702; SAE J933, J81, J78）, Stainless Steel

Wood Screws
Diameter: 2.5 ~ 24（3# ~ 1''）
Length：9.5 ~ 200mm(3/8 ~ 8'')
Material：Carbon Steel, Alloy Steel, Stainless Steel