The Hexagonal Nut (HU) A4 is a high-quality fastening component designed for applications requiring superior corrosion resistance, particularly in marine environments. Manufactured from A4 (316) marine-grade stainless steel, this nut offers enhanced durability and resistance to tarnishing and corrosion compared to standard stainless steel grades. A4 stainless steel is specifically engineered for environments exposed to saltwater and chemicals, making it ideal for marine, food processing, and chemical industries.
Key Features:
- Material: A4 (316) Marine Stainless Steel
- Corrosion Resistance: Superior resistance to saltwater and chemical exposure
- Standard Compliance: Meets DIN 934, ISO 4032, NFE 25-401, and UNI 5588 standards
- Thread Type: Available in coarse and fine threads
- Thread Pitch: Varies by size (e.g., M8-1.25, M10-1.5)
- Dimensions: Varies by nominal size (e.g., M8: 8mm diameter, 6.5mm height; M10: 10mm diameter, 8mm height)
Technical Specifications:
| Nominal Size | Thread Pitch | Across Flats (mm) | Height (mm) |
|---|
| M8 | 1.25 | 13 | 6.5 |
| M10 | 1.5 | 16 | 8 |
| M12 | 1.75 | 18 | 9 |
| M16 | 2.0 | 20 | 10 |
| M20 | 2.5 | 24 | 12 |
| M24 | 3.0 | 27 | 14 |
| M30 | 3.5 | 36 | 16 |
| M36 | 4.0 | 41 | 18 |
| M42 | 4.5 | 46 | 20 |
| M48 | 5.0 | 52 | 22 |
| M56 | 5.5 | 60 | 24 |
| M64 | 6.0 | 68 | 26 |
| M72 | 6.0 | 76 | 28 |
| M80 | 6.0 | 84 | 30 |
| M90 | 6.0 | 94 | 32 |
| M100 | 6.0 | 104 | 34 |
Materials:
Grade A4 (316) Stainless Steel: Contains molybdenum, enhancing resistance to corrosion, especially in chloride-rich environments.
Dimensions:
Across Flats: Varies by nominal size (e.g., M8: 13mm; M10: 16mm)
Height: Varies by nominal size (e.g., M8: 6.5mm; M10: 8mm)
Compatibility Information:
Thread Compatibility: Ensure the nut's thread pitch matches the corresponding bolt or screw.
Standard Compliance: Compatible with DIN 934, ISO 4032, NFE 25-401, and UNI 5588 standards.
