Product Name：Hex head coil bolt
Model ：    ZY-0905005
Category ：Hex Bolt

Detailed description  ：    
      
Standard : DIN931/933/960/961    A325/A-10

Size : From M6-M20

Material : carbon steel

Grade : 4.8/5.8/6.8/8.8/10.9

surface treatment : Self color/Black/ZP/YZP/WZP/H.D.G/Dacromet