*Material: carbon steel Q235 ,#35 steel
*Head type:Umbrella Head & Large round head
*Point:Diamond point
*Shank: Twisted shank & Smooth shank & spiral shank
*Washer :rubber washer or without washer
*Diameter :BWG8-13
*Length:1-4"
*Finished: electric galvanized ,golden & white ,hot galvanized