Heavy Hex Nut ASTM A563 – Built for Structural Power

The Heavy Hex Nut ASTM A563 is a high-strength structural nut designed for use with heavy hex bolts, especially those meeting the ASTM A325 and A490 specifications. These fasteners are larger and thicker than standard hex nuts, giving them the ability to distribute loads more effectively, enhanced performance in torque, strength, and resistance to vibration.

These nuts are produced by the ASTM A563/A563M standard and are involved in many industrial processes like structural steel fabrication, infrastructure development, and general equipment across the UAE and GCC. They give one the performance and durability ideally required of components in bridges, towers, oil & gas plants, power stations, and offshore platforms.

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Applications and Case Scenarios

Heavy Hex Nuts A563 are meant to be used with structural joints as follows:

1. Heavy hex bolts (ASTM A325, A490)

2. Structural washers

3. Threaded rods in high-load applications

Therefore, such nuts are significant for:

1. Steel construction and infrastructure projects

2. Heavy equipment and machinery assembly

3. Industrial plants and refineries

4. Marine and offshore structures

5. Wind and solar projects

Such nuts find regular use by EPCs, construction companies, and OEMs from Dubai, Abu Dhabi, Ajman, Sharjah, and elsewhere.

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Material & Coatings Options

We are supplying ASTM A563 heavy hex nuts in varied materials and coatings that are suitable for every application. In Global Fasteners, these include:

1. Carbon Steel & Alloy Steel for strength

2. Stainless Steel (A2/A4 grades) for corrosion resistance

3. Zinc-Plated and Hot-Dip Galvanized finishes to endure extended outdoor and marine use

4. Self-colored and black oxide coatings available upon request

All nuts are precisely manufactured for consistent threading, perfect fit, and long-term structural reliability — even in extreme environments.

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Performance and Quality

As expected, the heavy hex nuts are compliant with stringent international regulations and come with complete Material Test Certificates (MTC). Hence you have all of these:

1. High tensile strength and structural durability

2. Resistance against vibration and loosening

3. Excellent torque control and locking capability

4. Compatibility with both imperial and metric fasteners

5. Long service life under excessive loads

Each lot goes through quality inspection to ensure precise dimensions, reliable performance, and safety in mission-critical projects.

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Why Choose Global Fasteners?

We are a renowned supplier of heavy hex nuts in the UAE, supporting contractors, government projects, and industrial buyers by providing:

1. Mass availability and quick deliverables across Dubai, Sharjah, Abu Dhabi, and GCC

2. OEM support and customized solutions

3. Competitive pricing with consistent product quality

4. Export-ready supply with international documentation

5. On-time delivery

Delivering Across:

🇶🇦Qatar | 🇸🇦Saudi Arabia | 🇮🇶Iraq | 🇮🇷Iran | 🌍GCC | 🇧🇭Bahrain

For quality Heavy Hex Nut ASTM A563/ ASTM, Global Fasteners is a trusted name where precision meets quality