Pinion Gear Set – 20 Pack for 2mm Shaft

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Versatile Pinion Gear Set for 2mm Round Shafts

Upgrade your next DIY project, robotics build, or electronics repair with this convenient pinion gear set. Designed for 2mm round shafts, this 20 pack of assorted pinion gears fits many common small motors and gear systems, making it perfect for hobbyists and beginners alike.

Perfect for DIY, Hobby, and Robotics Applications

This pinion gear assortment is ideal for anyone who needs a variety of small gears for creative projects or quick repairs. Whether you’re building a custom robot, experimenting with motor drives, or tackling small mechanical inventions, this modulus 0.5 gear set can help you get moving.

Easy to Use and Adapt

Each pinion gear in this set is designed to friction fit tightly onto 2mm round shafts—no specialized tools or set screws are required. Need to fit a slightly larger shaft? These gears can also be carefully bored out for other applications. Please note that these are basic friction-fit gears with no alignment notches; they provide a snug grip for quick and easy prototyping.

Technical Details

• Quantity: 20 pieces, assorted sizes and tooth counts
• Modulus: 0.5
• Bore Diameter: 1.9mm (intended for 2mm round shafts)
• Fit: Designed for tight, pressure/friction fit on 2mm shafts
• Material: Plastic (varies, based on stock)
• All measurements are approximate and may vary slightly
• Product ID: LS-00021

Start Experimenting Today

This hobby gear set is a great way to explore gear ratios and motion without worrying about exact specs. Each pack contains a mix of tooth counts and diameters—perfect for creative experimentation and learning how pinion gears operate.

Why Choose This Gear Pack?

If you’re looking for small motor gears for 2mm round shafts or an assorted pinion gear kit for your toolkit, look no further. Enjoy affordable, adaptable, and easy-to-use gears that will spark your next idea. Please keep in mind: as a generic gear pack, we are unable to provide precise measurements or specific gear ratios.