ASTM Heavy Hex Bolt

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ASTM is an ASTM International standard for heavy hex structural bolts, titled StandardSpecification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength.

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Available Grade:

• ASTM A325

• ASTM A320

• ASTM A490

• ASTM A574

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Available Sizes:

• Metric Sizes : M12 to 36

• Imperial Size : 1/2" to 3"