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When your motion system demands a gear that resists moisture, runs quietly, and keeps weight low, a metal pinion often creates more problems than it solves. Makers, robotics engineers, and DIY automation builders working on compact drive trains need a 1 mod 34 teeth blue nylon spur gear that fits standard shaft sizes without custom machining — and that is exactly what this stepped-bore pinion delivers.
Each gear is machined from engineering-grade blue nylon (PA66 / polyamide), offering a good balance of rigidity and self-lubricating properties. The module is 1M with 34 teeth, giving a pitch diameter of 34 mm (approximately 1.34 in). The stepped bore accommodates shaft diameters from 8 mm to 17 mm (approximately 0.31 in to 0.67 in), covering the most common motor and gearbox output shaft sizes in this class.
Typical use cases include 3D printer extruder and axis drives where low backlash plastic gears reduce noise, small robotic arm joints requiring a lightweight 1 mod nylon pinion gear, and DIY conveyor or feeder mechanisms where corrosion resistance matters more than maximum torque capacity.
| Module | 1M (Module 1) |
|---|---|
| Number of Teeth | 34 T |
| Pitch Diameter | 34 mm (approx. 1.34 in) |
| Bore Diameter Range | 8 mm – 17 mm (0.31 – 0.67 in) |
| Bore Type | Stepped bore (multi-diameter) |
| Material | Blue Nylon (PA66 Polyamide) |
| Gear Type | Spur Gear (Pinion) |
| Pressure Angle | 20° |
| Face Width | See variant options |
| Hub Diameter | See variant options |
| Overall Length | See variant options |
| Color | Blue |
| Packing Quantity | 1 PCS / 2 PCS / 5 PCS (select above) |
Measure your motor or gearbox output shaft diameter with a caliper. This gear is available with stepped bores covering 8 mm, 10 mm, 12 mm, 14 mm, 15 mm, 16 mm, and 17 mm. Select the bore option that matches your shaft diameter. If your shaft uses a keyway, confirm the bore step accommodates the key before ordering.
Nylon spur gears in Module 1 are suited for light-to-medium duty applications — typically up to a few Newton-meters of torque depending on speed and temperature. They are well-matched to small stepper motors, servo outputs, and DC gearmotors in robotics, 3D printers, and automation rigs. For heavy industrial loads, a metal gear is recommended.
No. PA66 nylon does not rust or oxidize. It is inherently resistant to moisture, mild chemicals, and oils, making it a reliable choice for humid workshops, outdoor enclosures, and light food-processing equipment where metal gears would require frequent maintenance.
Yes. The 1M tooth profile is standardized, so this nylon pinion will mesh correctly with any Module 1 steel, aluminum, or brass spur gear or rack as long as the pressure angle is 20°. Ensure the center distance is set correctly for a 34-tooth gear with your mating gear's tooth count.
Nylon is self-lubricating to a degree, so many light-duty applications run dry without issue. For higher speeds or loads, a small amount of dry PTFE lubricant or light grease can extend tooth life. Avoid petroleum-based oils that may degrade the nylon over time.
Yes. Module 1 nylon spur gears are widely used in 3D printer extruder drives, axis transmission systems, and small CNC feeders. The 34-tooth count provides a useful gear ratio when paired with a smaller pinion, and the low weight keeps moving mass minimal for better acceleration control.
All packing options contain identical gears — the only difference is quantity. The 1 PCS option is ideal for prototyping or single-axis builds. The 2 PCS pack suits dual-axis or mirrored drive setups. The 5 PCS pack offers the best per-unit value for production runs or when keeping spares on hand.
