Enclosures and housings
M12 x 180 Hex Bolt Assembly with Washers and Nuts
- Bounding box
- 24.0 × 24.0 × 187.5 mm
- Engine
- Precision B-rep
- Parameters
- 15
- Published
- October 7, 2026
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Free to download and use. See the terms.
The prompt
Create a 3D CAD model of an M12 × 180 mm hex-head bolt assembly using millimetres. Bolt ISO 4014, partially threaded M12 × 1.75 mm thread Bolt length: 180 mm Shank diameter: 12 mm Hex head: 18 mm across flats × 7.5 mm high Threaded length: approximately 42 mm Chamfered threaded end Nuts 2 × ISO 4032 M12 nuts M12 × 1.75 mm internal thread 18 mm across flats 10.8 mm thick Washers 2 × ISO 7089 M12 flat washers 13 mm ID 24 mm OD 2.5 mm thick Assembly Arrange as: bolt head → washer → structure → washer → nut → locking nut Keep all components coaxial and model them as separate solid bodies in zinc-plated steel. Geometry must be suitable for STEP (.STEP/.STP) export.
Parameters
| Name | Value | Range |
|---|---|---|
| Head Across Flats | 18 mm | 12 – 30 |
| Head Height | 7.5 mm | 5 – 20 |
| Shank Diameter | 12 mm | 6 – 24 |
| Shank Length | 180 mm | 40 – 300 |
| Threaded Length | 42 mm | 5 – 100 |
| Thread Pitch | 1.75 mm | 0.5 – 4 |
| Thread Groove Depth | 0.6 mm | 0.1 – 1.5 |
| End Chamfer | 1.5 mm | 0 – 3 |
| Washer Inner Diameter | 13 mm | 8 – 20 |
| Washer Outer Diameter | 24 mm | 15 – 40 |
| Washer Thickness | 2.5 mm | 0.5 – 5 |
| Nut Across Flats | 18 mm | 10 – 30 |
| Nut Thickness | 10.8 mm | 5 – 20 |
| Nut Hole Diameter | 12 mm | 6 – 20 |
| Structure Gap (Washer1 to Washer2) | 30 mm | 1 – 150 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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