Galvanized heavy hex (heavy duty) nut · Structural · DIN 6915 / ASTM A563 · UAE stock
Galvanized heavy duty hex nut (heavy hex) that is thicker and wider across the flats than a standard nut, designed for high-tension structural steel connections. Made to DIN 6915 / ASTM A563, for use with high-strength structural bolts, sizes M12 to M36.
Structural nut standard
For structural bolt sets
Ready inventory, UAE & GCC delivery
Project quantities at best price
A GI heavy duty nut (heavy hex nut) is a galvanized structural nut that is thicker and wider across the flats than a standard hex nut, giving greater thread engagement and strength for high-tension bolted connections. Made to DIN 6915 / ASTM A563.
Hamza Fasteners supplies galvanized heavy hex nuts from M12 to M36 for structural steel, bridges, towers, heavy plant and high-strength bolt assemblies (used with DIN 6914 / ASTM A325 structural bolts). Buy heavy duty nuts at the best price in Dubai from a trusted galvanized fastener supplier serving the UAE, Saudi Arabia, Qatar, Kuwait, Oman and East Africa.
Dimension reference to DIN 6915 for galvanized heavy hex nuts. Confirm exact grade and quantity for your order with our team.
This datasheet shows one representative size for reference only. The GI Heavy Duty Nut is supplied in the full range of sizes, grades and finishes — not a single option. Tell us what you need and we will confirm exact availability, grade and finish and price.
| Thread (d) | Width Flats (s) | Height (m) | Standard |
|---|---|---|---|
| M12 | 22 | 12 | DIN 6915 |
| M16 | 27 | 16 | DIN 6915 |
| M20 | 32 | 20 | DIN 6915 |
| M22 | 36 | 22 | DIN 6915 |
| M24 | 41 | 24 | DIN 6915 |
| M27 | 46 | 27 | DIN 6915 |
| M30 | 50 | 30 | DIN 6915 |
| M36 | 60 | 36 | DIN 6915 |
| Product Type | Heavy Hex Nut (Heavy Duty) |
|---|---|
| Standard | DIN 6915 / ASTM A563 |
| Material | Carbon / Alloy Steel |
| Finish | Galvanized (GI) / HDG |
| Use | High-tension structural bolts |
| Size Range | M12 – M36 |
High-tension connections
Heavy civil works
Industrial machinery
Pressure fabrication
Steel structures
High-load joints
Stocked in Deira, Dubai and delivered fast across the region. Wherever you are building, we supply in stock and project quantities.
Hamza Fasteners is a trusted GI heavy duty nut supplier in Dubai and across the United Arab Emirates — Abu Dhabi, Sharjah and Ajman — with regular export supply to Saudi Arabia (Riyadh, Jeddah, Dammam), Qatar (Doha), Kuwait City, Oman (Muscat) and key East and West African markets including Tanzania (Dar es Salaam), Kenya (Nairobi and Mombasa), Nigeria (Lagos) and Ethiopia (Addis Ababa). Looking for a "GI heavy duty nut supplier near me" or the best heavy hex nut price in your city? Send us your size list for a same-day quote.
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