28-Tooth Module 0.3 Spur Gear
Standard 20° pressure-angle involute spur gear — free engineering reference, STL/DXF/SVG downloads, and a live customizer.
| Teeth | 28 |
|---|---|
| Module | 0.3 mm |
| Pressure angle | 20° |
| Pitch diameter | 8.4 mm |
| Outside diameter | 9 mm |
| Root diameter | 7.65 mm |
| Base diameter | 7.89 mm |
| Circular pitch | 0.94 mm |
| Addendum | 0.3 mm |
| Dedendum | 0.38 mm |
| Whole depth | 0.67 mm |
| Tooth thickness (at pitch circle) | 0.47 mm |
| Bore diameter (default) | 2.1 mm |
| Face width (default) | 3 mm |
Meshing
- Meshes with a 26-tooth module 0.3 gear at a center distance of 8.1 mm.
- Meshes with a 30-tooth module 0.3 gear at a center distance of 8.7 mm.
Related gears
26T · m0.3
Fewer teeth, same module
30T · m0.3
More teeth, same module
28T · m0.5
Same 28 teeth, module 0.5
28T · m1
Same 28 teeth, module 1
28T · m2
Same 28 teeth, module 2