Hardware Products
A4-80 Stainless Steel Hex Nuts
High-strength A4-80 (AISI 316) stainless steel hex nuts cold-worked for enhanced mechanical performance, designed to pair with A4-80 bolts in demanding structural and marine applications. Meeting ISO 3506-2 and DIN 934 requirements, these nuts provide the ultimate combination of strength and corrosion resistance.
Key Features
Cold-worked AISI 316 (A4) stainless steel for higher proof loads
Property class 80 for critical high-strength assemblies
Matched pairing with A4-80 bolts for optimized joint integrity
Compliant with ISO 3506-2, DIN 934, and ISO 4032 standards
Exceptional resistance to pitting and crevice corrosion
Full batch traceability with material test reports
Suitable for subsea and extreme-environment applications
Technical Specifications
| Material | AISI 316 / 1.4401 Stainless Steel |
| Property Class | A4-80 |
| Proof Load | Per ISO 3506-2 (elevated) |
| Size Range | M6 – M64 |
| Thread Type | ISO Metric Coarse / Fine |
| Standards | ISO 3506-2 / DIN 934 / ISO 4032 |
| Surface Finish | Passivated / Plain |
| Cr Content | 16.0 – 18.0% |
| Ni Content | 10.0 – 14.0% |
| Mo Content | 2.0 – 3.0% |
| Max Hardness | 300 HB |
Material Properties
- High strength-to-weight ratio for optimal performance
- Excellent corrosion and chemical resistance
- Non-conductive and electrically insulating
- UV resistant for outdoor applications
- Low thermal conductivity
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