Structural Bolts

ASTM F3125 covers high strength structural bolts including Grades A325 and A490. These bolts are designed for steel-to-steel structural connections and include heavy hex bolts and tension control bolts. Birmingham Fastener houses the nation’s largest inventory of structural bolting components, both domestic and imported. Custom sizing is available. Our product line includes:

•  F3125 Heavy Hex Bolts (A325, A490)
•  F3125 Tension Control Bolts (F1852, F2280)
•  DH Nuts
•  F436 Washers
•  DTI Squirters and Dura-Squirters

Grades: A325, A490
Finishes: Type 1, Type 3, Hot Dip Galvanized, Mechanical Galvanized
Available Dimensions:   Heavy Hex Bolts 
Tension Control Bolts 

For more information and resources on structural bolts, check out the Structural Bolt Learning Hub.