Wire material: 55#/1055/S55C,60#/1060/S60C
Finshed:Electro galvanized,hot dipped galvanized,mechanichl galvanized
Surface color: yellow,white
Surface Hardness:48<HRC<50
Core Hardness: 54<HRC<58
Head type:Flat head(support customization)
Shank type:Smooth shank/Stepped shank
Point type:Bullet
Collted type:Plastic strip