*Length:3/8”---7”   
*Diameter:BWG20-4    
*Surface  Treatment : Polished or Electro Galvanized
*Material: low-carbon-steel Q195 Q215 Q235 
*Features: flat caps, round bar, diamond point, bright and clean surface, strong rust-proof.
*Usage: Industrial construction, foundry, furniture repair, packing boxes and so on