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Heavy Structural Bolts
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Heavy Structural Bolts

Heavy Structural Bolts are high-strength fasteners used for connecting steel members in structural engineering projects. They are manufactured to ASTM, DIN, and ISO standards and designed for load-bearing and vibration-resistant applications. Their heavy hex head provides a larger contact area, ensuring secure tightening with structural nuts and washers. These bolts are commonly used in bridges, high-rise buildings, industrial plants, and heavy steel frameworks. They deliver long-lasting performance in both static and dynamic load conditions, ensuring structural safety and reliability.

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Description

Premium Quality Heavy Structural Bolts Supplier in Dubai, UAE

Unifastener Industries LLC is a reliable supplier and manufacturer of premium-quality Heavy Structural Bolts in Dubai, UAE. The company specializes in industrial fastening solutions designed for steel structures, construction projects, infrastructure developments, engineering works, and heavy-duty industrial applications. Heavy Structural Bolts are high-strength fastening components specifically designed for structural steel connections and load-bearing assemblies. These bolts are widely used in bridges, buildings, industrial plants, towers, heavy machinery, and infrastructure projects where superior strength and secure fastening performance are essential. Manufactured using high-grade materials and advanced production standards, Heavy Structural Bolts provide excellent tensile strength, durability, corrosion resistance, and reliable long-term structural performance.

Standards:
– ASTM A325 (high-strength structural bolts)
– ASTM A490 (alloy steel, quenched and tempered structural bolts)
– ASTM F3125 (covers A325 and A490 in unified standard)
– DIN 6914 (high-strength hex bolts for structural steel)
– ISO 7412 (equivalent to DIN 6914)

Grades:
– ASTM Grades: A325, A490, F3125
– DIN / ISO Grades: 8.8, 10.9, 12.9

Material Options:
– Medium carbon steel (heat-treated)
– Alloy steel (quenched and tempered)
– Stainless steel (for special projects)

Diameter Range: M12 to M36 (metric) / 1/2″ to 1-1/2″ (inch)

Length Range: 40mm up to 400mm (custom lengths available)

Thread Types:
– Metric coarse pitch (DIN 13 / ISO 261)
– UNC (Unified Coarse, ASTM)

Head Types:
– Heavy hex head (ASTM A325 / A490, DIN 6914)

Coating Options:
– Plain (self-color)
– Hot-dip galvanized (ASTM A153 / DIN EN ISO 1461)
– Zinc electroplated
– Mechanical galvanized
– PTFE / Xylan coated
– Epoxy coated

Add-ons:
– Supplied with heavy hex nuts (ASTM A563 / DIN 6915)
– Hardened washers (ASTM F436 / DIN 6916)
– Available with 3.1 MTC and third-party inspection

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