DIN 6330 Hex Thick Nuts 1.5d
DIN 6330 hexagon thick nuts feature a height approximately 1.5 times the thread diameter (1.5d), delivering maximum thread engagement and superior load distribution. They are the preferred choice for high-strength applications, commonly paired with property class 10.9 and 12.9 bolts.
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Product introduction
DIN 6330 hexagon thick nuts feature a height approximately 1.5 times the thread diameter (1.5d), delivering maximum thread engagement and superior load distribution. They are the preferred choice for high-strength applications, commonly paired with property class 10.9 and 12.9 bolts.
Common Specifications
| Materials | Carbon steel |
| Class | 2H |
| Range | M5-M12 |
| Thread | Coarse , Fine, Extra Fine, Special-Fine |
| Surface | Plain, zinc plated, hot-dip galvanized, GEOMET, ZINC-NICKLE, DACROMATE etc. |
Key Features
- Height ≈ 1.5 × thread diameter
- Maximum thread engagement
- Designed for grade 10.9 / 12.9 bolts
- Metric coarse threads
- Conforms to DIN 6330
Application industry
- Wind turbine nacelles and tower sections
- Hydraulic presses and heavy stamping equipment
- Underground mining roof support systems
- Crane rails and lifting lug connections
- Offshore platform structural nodes
data table
| Size | M6 | M8 | M10 | M12 | M16 | M20 | M24 | M30 | M36 | M42 | M48 |
| Coase | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 |
| Fine | 0.75 | 1 | 1.25 | 1.5 | 1.5 | 2 | 2 | 3 | 3 | 3 | 3 |
| Extra Fine | - | 0.75 | 1 | 1.25 | 1 | 1.5 | 1.5 | 2 | - | - | - |
| s Min (mm) | 9.78 | 12.73 | 15.73 | 17.73 | 23.67 | 29.67 | 35.38 | 45.38 | 54.26 | 64.26 | 74.26 |
| s Max (mm) | 10.00 | 13.00 | 16.00 | 18.00 | 24.00 | 30.00 | 36.00 | 46.00 | 55.00 | 65.00 | 75.00 |
| e Min (mm) | 11.05 | 14.38 | 17.77 | 20.03 | 26.75 | 33.53 | 39.98 | 51.28 | 61.31 | 72.61 | 83.91 |
| m Min (mm) | 8.81 | 11.65 | 14.65 | 17.65 | 23.58 | 29.58 | 35.50 | 44.50 | 53.40 | 62.40 | 71.40 |
| m Max (mm) | 9.29 | 12.35 | 15.35 | 18.35 | 24.42 | 30.42 | 36.50 | 45.50 | 54.60 | 63.60 | 72.60 |
| Mxx-xx | M6-1.0 | M8-1.25 | M10-1.5 | M12-1.75 | M16-2.0 | M20-2.5 | M24-3.0 | M30-3.5 | M36-4.0 | M42-4.5 | M48-5.0 |
| S | 9.78-10.00 | 12.73-13.00 | 15.73-16.00 | 17.73-18.00 | 23.67-24.00 | 29.67-30.00 | 35.38-36.00 | 45.38-46.00 | 54.26-55.00 | 64.26-65.00 | 74.26-75.00 |
| m | 8.81-9.29 | 11.65-12.35 | 14.65-15.35 | 17.65-18.35 | 23.58-24.42 | 29.58-30.42 | 35.50-36.50 | 44.50-45.50 | 53.40-54.60 | 62.40-63.60 | 71.40-72.60 |
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