CNC Machined Steel Flange Coupling with 3 Dowel Pins and Square Socket - ±0.01mm Tolerance
This precision CNC machined steel flange coupling component is engineered for mechanical alignment, connection, and torque transmission applications. Featuring a circular base with three evenly spaced dowel pins and a centered square socket, it ensures precise positioning and secure engagement in industrial assemblies.
| Material | High-strength steel (1045, 4140, or stainless options) |
|---|---|
| Manufacturing | CNC turning and milling with ±0.01mm tolerance |
| Flange Base | Round profile with three cylindrical dowel pins featuring hemispherical tops |
| Center Extension | Cylindrical hub with precisely machined square internal socket |
| Socket Sizes | 6.35mm (1/4"), 9.5mm (3/8"), or custom dimensions |
Three equally spaced dowel pins with hemispherical tops enable accurate positioning and easy alignment with mating components.
Centered square socket interface provides reliable torque transmission for drive applications.
Available with interference, sliding, or transition fits to meet specific assembly requirements.
- Black oxide coating for corrosion resistance
- Zinc plating (clear, yellow, or black)
- Phosphate coating for enhanced durability
- Nitriding or QPQ treatment on request
- Tooling and fixture systems
- Rotational drive interfaces
- Quick-change adapter systems
- Assembly jigs requiring repeatable positioning
- Industrial automation equipment
- Agricultural and construction machinery shaft connections
Manufactured under ISO 9001:2015 standards with comprehensive quality control including CMM and optical measurement, hardness testing, and surface roughness verification.
Full customization available including flange dimensions, dowel pin configuration, socket sizes, and additional features like through-holes or threaded patterns. Accept 2D drawings (PDF, DWG) and 3D CAD models (STEP, IGS, STL).
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