“Twist off” Type Tension Control Structural Bolt/Nut/Washer Assemblies (ASTM F1852/F2280)

1.Bolts Size:5/8inch~1 1/8inch ,length: according to the request of customers;

2.Material:Carbon steel or alloy steel;

3.Standard: ASTM F1852/F2280;

4.The Mechanical Grade:Grade 5;

5.Surface Treatment:Zinc-plated(Black or Plain),Hot dip galvanizing,Dacromet,etc;

6.Used in steel structures,such as multi-floor&high-rise steel structure buildings,industrial buildings,high way,railway,steel steam,tower,power station,airport and other structure workshop frames.