Hawaii Nut & BoltASTM A325 Heavy Hex Bolts

HNB's A325 Heavy Hex Bolts (Now covered under ASTM F3125 Grade A325) are made of heat treated medium carbon steel. Bolts manufactured under this specification are intended for use in structural connections covered in the Specification for Structural Joints Using High-Strength Bolts, as approved by the Research Council on Structural Connections.

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Call 808-834-1919 or email Sales@HawaiiNutandBolt.com with your questions, submittal requests and order requirements. 

Hawaii Nut & Bolt (HNB) specializes in distributing fasteners only. As such, we are not able to provide engineering advice, approvals, or warranties for specific applications. Customers are responsible for selecting the appropriate fasteners and performing any necessary testing to confirm conformance with application requirements.