High-Strength Structural Bolting Assemblies for Preloading - System HRC - Bolt HRC with Hexagon Head
Twist-Off-Type Tension Control Structural Bolts: Heavy Hex Head Configurations (ASTM F3125 / F3125M)
Twist-Off-Type Tension Control Structural Bolts: Heavy Hex Head Configurations (ASTM F 1852 / ASTM F 2280)
Steel Structure With High Torsional Shear Strength Hexagon Head Bolts (ASTM F 1852 / ASTM F 2280)