Hardware Products
A4-80 Stainless Steel Hex Bolts
High-strength A4-80 (AISI 316) stainless steel hex bolts cold-worked to achieve an 800 MPa minimum tensile strength, ideal for critical structural connections in corrosive environments. Fully compliant with ISO 3506-1 and DIN standards, these bolts combine the superior corrosion resistance of 316 stainless with enhanced mechanical properties.
Key Features
Cold-worked AISI 316 (A4) stainless steel for elevated strength
Minimum tensile strength of 800 MPa (116,000 PSI)
Yield strength of 600 MPa — comparable to SAE Grade 5
Compliant with ISO 3506-1, DIN 931, DIN 933, ISO 4014, and ISO 4017
Outstanding resistance to chlorides, acids, and saltwater
Full material certification and batch traceability
Suitable for high-load marine and industrial applications
Technical Specifications
| Material | AISI 316 / 1.4401 Stainless Steel |
| Property Class | A4-80 |
| Tensile Strength | Min. 800 MPa |
| Yield Strength | Min. 600 MPa |
| Elongation | Min. 40% |
| Hardness | Max. 300 HB |
| Size Range | M6 – M64 |
| Thread Type | ISO Metric Coarse / Fine |
| Standards | ISO 3506-1 / DIN 931 / DIN 933 |
| Surface Finish | Passivated / Plain |
| Cr Content | 16.0 – 18.0% |
| Ni Content | 10.0 – 14.0% |
| Mo Content | 2.0 – 3.0% |
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
Hex Head Bolts
High-strength hexagonal head bolts for structural and industrial applications, available in various grades and finishes.
Carriage Bolts
Round head carriage bolts with square neck for secure fastening in wood and metal applications.
L-Bolts (Anchor Bolts)
L-shaped anchor bolts for concrete foundation applications, providing secure structural connections.