Hawaii Nut & BoltHeavy Hex & Structural Bolts

HNB's Structural Bolts are commonly specified for load bearing steel to steel assemblies. They are defined by ASTM standards, with controlled mechanical properties and installation requirements (turn-of-nut, calibrated wrench, or tension control).

ASTM F3125 defines two strength levels for Bolts
Grade A325: 120 ksi min
Grade A490: 150 ksi min

HNB stocks and supplies and variety of grades and finishes. Select a product category below for more detailed information...
 




Volume Discounts Available — Bulk and Full Pallet Quotes Upon Request






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.