SS316 (A4) hexagon bolt · Marine grade · Fine thread & UNC · DIN 931/933 · UAE stock
Marine-grade SS316 (A4) hex bolt for structural steel, coastal construction and heavy engineering. Made of solid 316 austenitic stainless steel, molybdenum-alloyed for natural chloride and salt-spray resistance, in classesA4-70 and A4-80to DIN 933 and DIN 931 from M6 up to M40, in coarse, fine thread and UNC.
Made to international hex bolt standards
A4-70 & A4-80 stainless — 316 alloy
Ready inventory, UAE & GCC delivery
Project quantities at best price
An SS316 hex bolt (stainless steel 316 hexagon bolt) is a six-sided-head bolt made of solid marine-grade 316 austenitic stainless steel, whose molybdenum-bearing alloy gives natural, long-lasting resistance to rust, salt spray and chlorides — no coating needed. Made to DIN 931 (partially threaded) and DIN 933 (fully threaded), it is supplied in classes A4-70 and A4-80 (to ISO 3506) and in coarse, fine thread and UNC, delivering dependable clamping force for demanding structural and mechanical joints.
Hamza Fasteners supplies SS316 hex bolts from M6 to M40 in a full range of lengths, ideal for marine and coastal structures, jetties, water-treatment plants, swimming pools, food and chemical plant, cladding, tank fabrication and MEP works. The 316 alloy makes them the marine grade of choice for salt-laden and chemically aggressive Gulf environments. Buy hex bolts at the best price in Dubai from a trusted SS316 fastener supplier serving the UAE, Saudi Arabia, Qatar, Kuwait, Oman and East Africa — in single boxes or bulk wholesale quantities.
Dimension reference to DIN 931/933 for SS316 (A4) hexagon bolts. Confirm exact lengths and quantities for your order with our team.
This datasheet shows one representative size and grade for reference only. The SS316 Hex Bolt is supplied in the full range of sizes, lengths, 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) | Pitch (mm) | Width A/Flats (s) | Head Height (k) |
|---|---|---|---|
| M6 | 1.0 | 10 | 4.0 |
| M8 | 1.25 | 13 | 5.3 |
| M10 | 1.5 | 17 | 6.4 |
| M12 | 1.75 | 19 | 7.5 |
| M16 | 2.0 | 24 | 10.0 |
| M20 | 2.5 | 30 | 12.5 |
| M22 | 2.5 | 32 | 14.0 |
| M24 | 3.0 | 36 | 15.0 |
| M27 | 3.0 | 41 | 17.0 |
| M30 | 3.5 | 46 | 18.7 |
| M33 | 3.5 | 50 | 21.0 |
| M36 | 4.0 | 55 | 22.5 |
| M39 | 4.0 | 60 | 25.0 |
| M40 | 4.0 | 60 | 25.0 |
| Product Type | Hexagon Bolt (Hex Bolt) |
|---|---|
| Standard | DIN 931 / DIN 933 |
| Material | Stainless Steel 316 (A4) |
| Strength Class | A4-70 / A4-80 |
| Finish | Bright / passivated |
| Size Range | M6 – M40 |
| Threading | Full or partial thread |
Steel frames, columns & beams
Façades, cladding & scaffolding
Equipment & plant assembly
Jetties, pools & waterfront
Treatment, food & process plant
Maintenance & workshop use
Stocked in Deira, Dubai and delivered fast across the region. Wherever you are building, we supply SS316 hex bolts in stock and project quantities.
Hamza Fasteners is a trusted SS316 hex bolt 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 "SS316 hex bolt supplier near me" or the best stainless hex bolt price in your city? Send us your size list for a same-day quote.
Share the diameter, length, grade and quantity. We will confirm stock and send a quick quote with the datasheet and best price.
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