Heavy hex bolts feature a larger head across flats for structural steel connections and high-load joints.
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Heavy hex bolts are designed for structural applications where greater bearing area and wrenching surface are required. Commonly used in steel construction, bridges, and heavy equipment assemblies.
| Standard | ASTM A325, A490, ASME B18.2.1 |
|---|---|
| Size | 1/2"–1-1/2"; M12–M36 |
| Material | Carbon Steel, Stainless Steel, Alloy Steel, Brass, Aluminum, Monel |
| Grade | 4.8, 5.8, 6.8, 8.8, 10.9, 12.9; Gr2/5/8 |
| Finish | Plain, Black Oxide, Zinc Plated, H.D.G, PTFE, Dacromet, Nickel, Chrome, Zinc Nickel |
Heavy Hex Bolt technical drawing — dimensions available on request
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