ISO 4033 Hex High Nuts
ISO 4033 hexagon high nuts (style 2) offer a taller configuration than their style 1 counterparts, providing increased thread engagement for high load fastening. Their design aligns with the mechanical demands of property class 10.9 and 12.9 bolts, ensuring reliable performance in structural and heavy duty applications.
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Product introduction
ISO 4033 hexagon high nuts (style 2) offer a taller configuration than their style 1 counterparts, providing increased thread engagement for high‑load fastening. Their design aligns with the mechanical demands of property class 10.9 and 12.9 bolts, ensuring reliable performance in structural and heavy‑duty applications.
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
- Style 2 height surpasses standard (style 1) dimensions
- Enhanced thread engagement for higher tensile capacity
- Optimized for use with 10.9 and 12.9 bolt grades
- Metric coarse thread profile
- Conforms to ISO 4033 international standard
Application industry
- Bridge girder and high‑rise steel framing
- Wind farm foundation anchor bolts
- Mining draglines and haul truck assemblies
- Heavy press and forming machinery
- Petrochemical plant structural supports
data table
| Size | M5 | M6 | M7 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | M27 | M30 | M33 | M36 | M39 |
| Coase | 0.8 | 1 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 3.5 | 4 | 4 |
| Fine | 0.5 | 0.75 | 0.75 | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 |
| Extra Fine | - | - | - | 0.75 | 1 | 1.25 | 1 | 1 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 2 | 2 | - | - |
| s Min (mm) | 7.78 | 9.78 | 10.73 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.16 | 29.16 | 33.00 | 35.00 | 40.00 | 45.00 | 49.00 | 53.80 | 58.80 |
| s Max (mm) | 8.00 | 10.00 | 11.00 | 13.00 | 16.00 | 18.00 | 21.00 | 24.00 | 27.00 | 30.00 | 34.00 | 36.00 | 41.00 | 46.00 | 50.00 | 55.00 | 60.00 |
| e Min (mm) | 8.79 | 11.05 | 12.12 | 14.38 | 17.77 | 20.03 | 23.36 | 26.75 | 29.56 | 32.95 | 37.29 | 39.55 | 45.20 | 50.85 | 55.37 | 60.79 | 66.44 |
| m Min (mm) | 4.80 | 5.40 | 6.84 | 7.14 | 8.94 | 11.57 | 13.40 | 15.70 | 16.90 | 19.00 | 20.50 | 22.60 | 25.40 | 27.30 | 30.90 | 33.10 | 35.90 |
| m Max (mm) | 5.10 | 5.70 | 7.20 | 7.50 | 9.30 | 12.00 | 14.10 | 16.40 | 17.60 | 20.30 | 21.80 | 23.90 | 26.70 | 28.60 | 32.50 | 34.70 | 37.50 |
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