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Heavy Hex Bolts

Heavy Hex Bolts

Heavy Hex Bolts Manufacturer in India

Heavy Hex Bolts are high-performance fasteners with a wider head and thicker body compared to standard hex bolts, offering increased load-bearing capacity and torque strength. Ideal for critical applications across construction, automotive, engineering, oil & gas, and infrastructure projects, these bolts ensure reliable, long-lasting fastening—even under extreme stress and environmental conditions.

Specifications of Heavy Hex Bolts

1. International Standards Compliance

Our bolts conform to a broad range of global standards:
ASME, DIN, ISO, BS, SAE, IFI, IS, EU, CSN, UNI, PN, and more.

2. Size Range:

  • Metric: M2 to M160
  • Imperial: 3/8″ to 8″
  • Lengths available as per project specification

3. Material Options:

Heavy Hex Bolts are available in an extensive range of materials:

  • High Tensile Steel (Grades: 8.8, 10.9, 12.9, 14.9)
  • Carbon Steel, Alloy Steel
  • Stainless Steel (304, 304L, 316, 316L, 310, 321, 347, 904L)
  • Duplex & Super Duplex Steel (UNS S31803, S32750, S32760)
  • Nickel Alloys (Nickel 200, 201)
  • Inconel (600, 625, 718, 800, 825, X-750, etc.)
  • Hastelloy, Monel, Brass, Copper, Aluminium Bronze, Silicon Bronze, Phosphor Bronze

4. Surface Coatings and Finishes:

Coating options enhance corrosion resistance and increase bolt longevity:

  • PTFE Coating
  • Hot Dip Galvanized
  • Zinc Plating (Yellow, Blue, Black)
  • Zinc Cobalt Plating
  • Nickel Plating
  • Black Phosphate
  • Aluminium Zinc Flake Coating

5. Threading Options

  • UNC, UNF, ISO, BSW, ACME
  • Fully Threaded and Partially Threaded

6. Manufacturing Process

  • Hot Forged & Cold Forged for high precision and strength

Applications of Heavy Hex Bolts

Heavy hex bolts are a go-to choice in industries that demand robust fastening under stress:

  • Construction & Infrastructure: Ideal for bridges, highways, docks, and buildings
  • Automotive & Transport: Used in high-load vehicle and chassis components
  • Engineering & Heavy Equipment: Critical for machinery and structural assemblies
  • Energy Sector: Used in pipelines, power plants, oil rigs, and wind turbines
  • Industrial Projects: Secures frameworks and mechanical installations

Why Choose AN Fasteners for Heavy Hex Bolts?

At AN Fasteners, we manufacture and supply heavy hex bolts that meet the toughest global quality standards. Using advanced forging processes and premium-grade materials, we produce bolts with exceptional tensile strength, corrosion resistance, and dimensional accuracy. Available in a wide range of sizes, materials, and surface coatings, our heavy hex bolts are built for superior performance across industries.

Heavy Hex Bolts Properties

Forming Hot & Cold Forged
Metric Size M10 to M100
Imperial size 3/8″ to 8″
Threads UNC, UNF, ISO, BSW, ACME
Standards ASME, BS, DIN, ISO, UNI, DIN–EN
Sub Types 1. Fully Threaded Heavy Hex Bolts
2. Partially Threaded Heavy Hex Bolts
3. Metric Heavy Hex Bolts
4. Imperial Heavy Hex Bolts

Built for Strength. Engineered to Last.

AN Fasteners Heavy Hex Bolts are the perfect combination of strength, precision, and reliability. Whether you’re building a bridge, assembling industrial equipment, or fabricating machinery, our bolts provide the security and durability you need for critical fastening tasks.

Need customized heavy hex bolts for your project?
📞 Get in touch today for bulk orders or tailored manufacturing solutions.