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Heavy Hex Nut
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Anti Theft Nut
Anti Theft Nut
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Spring Nut with Short or Long Spring
Spring Nut with Short or Long Spring

Heavy Hex Nut

Heavy Hex Nuts are larger and thicker than standard hex nuts, providing greater strength and load-bearing capacity. They are designed for use with structural bolts, studs, and anchor rods in heavy-duty applications. Manufactured to ASTM and DIN standards, they are available in multiple grades, sizes, and protective coatings. Their robust design makes them suitable for high-pressure, high-temperature, and structural environments. They are widely used in construction, bridges, power plants, oil & gas, and heavy steel frameworks.

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Description

Premium Quality Heavy Hex Nut Supplier in Dubai, UAE

Unifastener Industries LLC is a reliable supplier and manufacturer of premium-quality Heavy Hex Nuts in Dubai, UAE. The company provides industrial fastening solutions for construction, oil & gas, marine, infrastructure, engineering, and heavy-duty industrial applications.
Heavy Hex Nuts are designed with a larger width across flats and increased thickness compared to standard hex nuts, providing superior strength and load-bearing capacity. These nuts are commonly used in structural steel connections, industrial machinery, pressure vessels, pipelines, and heavy engineering projects where strong and secure fastening is essential.
Manufactured using high-grade materials and advanced production standards, Heavy Hex Nuts ensure durability, precision threading, and long-lasting performance in demanding environments.

Standards:
– ASTM A563 (carbon and alloy steel nuts)
– ASTM A194 (nuts for high-pressure & high-temperature service)
– ASTM A563M (metric heavy hex nuts)
– DIN 934 (hex nuts, reference standard)
– ISO 4032 (equivalent to DIN 934, heavy series)

Grades:
– ASTM Grades: A563 (A, B, C, DH, DH3)
– ASTM A194 Grades: 2H, 2HM, 7, 7M, 8, 8M
– DIN / ISO Grades: 8, 10, 12

Material Options:
– Carbon steel
– Alloy steel (quenched & tempered)
– Stainless steel (A2 / A4 grades)
– Brass (special applications)

Diameter Range: M12 to M64 (metric) / 1/2″ to 4″ (inch)

Thread Types:
– Metric coarse pitch (DIN 13 / ISO 261)
– Metric fine pitch (on request)
– UNC (Unified Coarse, ASTM)
– UNF (Unified Fine, ASTM)

Types:
– Standard heavy hex nut (ASTM A563 / A194)
– High-temperature heavy hex nut (A194 Grade 7, 8)
– Heavy hex jam nut (thin profile)

Properties:
– Larger across-flats dimension than standard hex nuts for higher load bearing
– Used with structural bolts, studs, and anchor rods
– Suitable for high-strength and high-temperature bolted joints

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

Add-ons:
– Supplied with heavy structural bolts (ASTM A325 / A490, DIN 6914)
– Compatible with hardened washers (ASTM F436 / DIN 6916)
– Certification (3.1 MTC, third-party inspection) available

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