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When your motion-control build demands zero-slip synchronization, a mismatched or undersized pulley becomes the weakest link in the entire drivetrain. Engineers, makers, and machine builders working on CNC routers, 3D printers, laser cutters, and industrial automation rigs need a T10 timing pulley that holds tight tolerances across the full operating range — without wobble, without backlash, and without guesswork on bore sizing.
These T10 synchronous wheel gears are machined from aluminum alloy with a natural or anodized finish. They accept a 25mm-wide T10 pitch timing belt and are available in tooth counts from 10T to 60T, with bore options of 8mm, 10mm, 12mm, and 15mm (approximately 0.31" to 0.59"). Each pulley ships as a single unit with a set-screw hub for secure shaft mounting.
Typical use cases include X/Y axis drives on desktop CNC routers requiring precise linear positioning, extruder and Z-axis assemblies on FDM 3D printers, and conveyor or indexing mechanisms in light industrial automation where repeatable step accuracy is critical.
Choose from 10 to 60 teeth to match your gear ratio and linear speed requirements across a broad range of motion-control applications.
Engineered specifically for 25mm-wide T10 pitch timing belts, ensuring full tooth engagement and even load distribution across the belt width.
Four bore options cover the most common shaft diameters used in CNC, 3D printing, and automation builds — no custom machining required for standard setups.
Lightweight yet rigid aluminum alloy body keeps rotational inertia low while providing the structural stiffness needed for accurate, repeatable positioning.
Each pulley includes a set-screw hub that clamps firmly to the shaft, preventing slippage under load without requiring keyways or press-fit tooling.
Tooth profile and dimensional tolerances are matched to standard T10 belt specifications, making these pulleys drop-in compatible with most open-frame 3D printer and CNC router designs.
| Belt Pitch | T10 (10mm pitch) |
|---|---|
| Belt Width | 25mm (approx. 0.98") |
| Number of Teeth | 10T – 60T (see variant options) |
| Bore Diameter | 8mm / 10mm / 12mm / 15mm |
| Material | Aluminum alloy |
| Tooth Width | 27mm |
| Quantity per Order | 1 piece |
| Outer Diameter | See variant options |
| Hub Fastening | Set screw |
| Finish | See variant options |
The tooth count determines your pulley's pitch diameter and, combined with a driven pulley, sets your gear ratio. More teeth = larger diameter = higher linear speed per motor revolution. For CNC and 3D printer axes, match the tooth count to your desired steps-per-mm calculation based on your motor's step angle and microstepping setting.
Most NEMA 17 stepper motors use a 5mm shaft, which is not listed here — these pulleys are sized for larger shafts (8–15mm) typically found on NEMA 23/34 motors, servo motors, or custom CNC spindle assemblies. Measure your shaft diameter with calipers before selecting a bore option.
Yes. These pulleys conform to the standard T10 tooth profile (10mm pitch, trapezoidal tooth form), so they are compatible with any T10 timing belt of 25mm width regardless of brand, as long as the belt pitch and width match.
The set-screw hub provides adequate holding force for typical CNC and 3D printer torque loads when properly tightened with the correct hex key. For high-torque or high-speed applications, consider using a shaft with a flat (D-cut) to maximize the set-screw's grip and prevent rotational slippage.
Aluminum alloy offers good corrosion resistance in typical indoor workshop and machine environments. For humid or chemically aggressive environments, an anodized finish variant (where available) provides additional surface protection. The tooth profile is designed for long service life when used with a properly tensioned belt.
Yes. These T10 pulleys are well-suited for belt-reduction stages on Z-axis assemblies, where a larger driven pulley paired with a smaller drive pulley reduces motor speed and multiplies torque. Select tooth counts that achieve your target reduction ratio and verify the center distance accommodates your belt length.
Yes, this listing is for the pulley only (1 piece per order). You will need to source a compatible T10 timing belt with 25mm width separately. Belt length depends on your center-to-center distance and the total tooth count of both pulleys in your drive system.
