Fittings and adapters
Step-Shaft Nipple with Through-Bore
- Bounding box
- 44.0 × 24.0 × 24.1 mm
- Engine
- Precision B-rep
- Parameters
- 16
- Published
- November 7, 2026
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The prompt
Model_Type: Rotation-symmetric step-shaft fitting (nipple) with a central axial through-hole. Total_Length: 44.0 mm Coordinate_System: X-axis from Left (X=0) to Right (X=44) 1. LEFT_ZONE (X: 0 to 21.0 mm, Total Length = 21.0 mm): - Left extremity (X: 0 to 3.0 mm): Truncated cone, 70-degree included angle, tip opening diameter 11.0 mm, expanding to outer diameter 18.0 mm. - External thread section (X: 3.0 to 16.4 mm): Length 13.4 mm. Outer diameter 18.0 mm with external metric thread M18x1.5. - Relief groove (X: 16.4 to 21.0 mm): Width 4.6 mm, radius R2.5. Placed at the right end of the 21.0 mm left zone. 2. MIDDLE_ZONE (X: 21.0 to 29.0 mm, Total Length = 8.0 mm): - Features a 30-degree transition chamfer leading to a cylindrical body segment. - Features TWO parallel flat surfaces (wrench flats, strictly NOT a hexagon). - Outer diameter of unflattened cylinder: 24.0 mm. - Distance across flat faces (wrench size): 22.0 mm. 3. RIGHT_ZONE (X: 29.0 to 44.0 mm, Total Length = 15.0 mm): - Cylindrical neck (X: 29.0 to 34.0 mm): Length 5.0 mm, outer diameter 14.5 mm. - External thread section (X: 34.0 to 44.0 mm): Length 10.0 mm, outer diameter 16.0 mm with external metric thread M16x1. - Edge detail: 1x45 degree chamfer on the rightmost rim. 4. INTERNAL_BORE: - Axial straight through-hole running along the entire central axis from X=0 to X=44. - Constant inner diameter: 10.0 mm.
Parameters
| Name | Value | Range |
|---|---|---|
| Cone Length | 3 mm | 1 – 10 |
| Cone Tip Diameter | 11 mm | 6 – 17 |
| Left Thread Major Dia | 18 mm | 12 – 30 |
| Left Thread Length | 13.4 mm | 5 – 30 |
| Groove Width | 4.6 mm | 1 – 10 |
| Groove Radius | 2.5 mm | 1 – 5 |
| Middle Zone Length | 8 mm | 5 – 20 |
| Transition Chamfer Angle | 30 deg | 10 – 60 |
| Middle Outer Diameter | 24 mm | 18 – 40 |
| Wrench Across Flats | 22 mm | 10 – 38 |
| Neck Outer Diameter | 14.5 mm | 8 – 30 |
| Neck Length | 5 mm | 2 – 15 |
| Right Thread Major Dia | 16 mm | 10 – 30 |
| Right Thread Length | 10 mm | 5 – 25 |
| Right End Chamfer | 1 mm | 0.5 – 3 |
| Through Bore Diameter | 10 mm | 3 – 20 |
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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