concrete nails spiral
Application:Fixing of building formwork, fixing of items on concrete buildings
Wire material:55#/1055/S55C
Finshed:Electro galvanized,coating
Surface color:Blue,white,black,yellow
Surface Hardness:48<HRC<50
Core Hardness: 53<HRC<58
Head type:flat head(support customization)
Shank type:spiral
Point type:Diamond
Primary packing(carton):400g/boxes,25 boxes/carton
Primary packing(bulk):25kg/bag