Flat countersunk Square Neck Bolt
Product Name: Flat countersunk Square Neck Bolt
Category :Hex Bolt
Detailed description :
Standard : DIN 931/933 GB 5782/5783 A-10 A325
Size : From M6-M24/1/4''-1''
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