DIY 81-Piece POM Plastic Gear Set, Module 0.5
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Prices updated: 12 Oct 2026
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About this product
An 81-piece set of POM plastic gears, all with module 0.5, so gears from the set can mesh with one another. The bore sizes listed include 0.8, 1, 1.9, 2.05, 2.55 and 3 mm, to suit several shaft sizes. It is useful for robot gearboxes, mechanical models and gear experiments.
Specifications
- Quantity
- 81 pieces
- Module
- 0.5 M
- Material
- POM plastic
- Bore sizes
- 0.8, 1, 1.9, 2.05, 2.55, 3 mm (and others)
Frequently asked questions
Will these gears mesh with other gears?
Gears mesh correctly only when they share the same module. This set uses module 0.5, so pair it with 0.5M gears. The pressure angle is not listed, so check it before mixing with other sets.
How do I choose the right bore for my shaft?
Pick a gear whose bore matches your shaft diameter. If the shaft is not in the listed sizes, a sleeve or set screw can help you fit a gear with a slightly different bore.
