HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm
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HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mmHTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm

HTD-5M 10-72Teeth Timing Belt Pulley Pitch 5mm With Step Drive Pulley Width 16mm

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By HomeDIYer®

Price:
$6.65 USD
Stock:
In stock (500 units), ready to be shipped

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Description

HTD-5M Timing Belt Pulley — 5mm Pitch Step Drive for CNC, 3D Printers & Robotics

When a slipping or mismatched pulley throws off your axis calibration mid-print or causes positioning errors in your CNC router, the entire project stalls. Engineers, makers, and automation builders who demand repeatable, slip-free motion need a pulley that locks onto the shaft and meshes cleanly with the belt every cycle. The HTD-5M timing belt pulley in this listing is designed for exactly that use case.

Each pulley is machined from aluminum alloy with a black anodized finish and features the HTD (High Torque Drive) 5mm tooth profile. The step drive design includes a flanged hub that keeps the belt tracking true on the 16mm (0.63 in) wide pulley body. Tooth counts range from 10T to 72T, and bore diameters span 5 mm to 20 mm (0.20–0.79 in), covering the most common motor shaft sizes in the 5M belt ecosystem.

Typical applications include: replacing worn pulleys on CoreXY and Cartesian 3D printers using GT2/5M belt systems; driving lead-screw-free linear axes on desktop CNC routers and laser engravers; and building compact servo or stepper-driven robotic joints where a low-backlash HTD-5M timing belt pulley replacement is required.

⚙️ Compatible with standard HTD-5M timing belts (5mm pitch). Verify bore diameter matches your motor or drive shaft before ordering.

✅ Key Features of These HTD-5M Timing Belt Pulleys

  • 🦷Wide Tooth Range (10T–72T) — Choose from 20 tooth-count options to dial in your exact drive ratio for CNC, 3D printing, or robotics builds.
  • 🔩Multi-Bore Options (5–20mm) — Bore diameters from 5 mm to 20 mm accommodate NEMA 17, NEMA 23, and most servo motor shaft sizes without custom machining.
  • 📐Step Drive / Flanged Hub Design — The integrated step flange keeps the HTD-5M belt centered on the 16mm pulley width, reducing belt walk and edge wear.
  • 🏗️Aluminum Alloy Construction — Lightweight yet rigid aluminum body resists deformation under cyclic belt tension, maintaining tooth mesh accuracy over extended run times.
  • 🖤Black Anodized Finish — Hard anodizing adds surface hardness and corrosion resistance, extending service life in dusty workshop or light-industrial environments.
  • 🎯HTD-5M Profile Tooth Geometry — The rounded HTD tooth form distributes load across a larger contact area than trapezoidal profiles, reducing tooth shear risk at higher torque loads.

📐 Technical Specifications — HTD-5M Timing Belt Pulley

Belt Profile HTD-5M (5mm pitch, rounded tooth)
Tooth Count 10T, 12T, 14T, 15T, 16T, 18T, 20T, 22T, 24T, 25T, 28T, 30T, 32T, 36T, 40T, 44T, 48T, 50T, 60T, 72T
Bore Diameter 5 / 6 / 6.35 / 7 / 8 / 10 / 12 / 12.7 / 14 / 15 / 16 / 17 / 19 / 20 mm
Belt Width Compatibility 16 mm
Pulley Body Width 16 mm (0.63 in)
Material Aluminum alloy
Surface Finish Black anodized
Hub Style Step drive with integrated flange
Pitch Diameter See variant options
Outside Diameter See variant options
Weight See variant options
Quantity per Order 1 piece

❓ Frequently Asked Questions

How do I choose the right tooth count for my application?

The tooth count determines your drive ratio. Divide the driven pulley teeth by the drive pulley teeth to get the ratio. For 3D printers, 20T is the most common drive pulley size. For CNC routers requiring more torque, a larger tooth count on the drive side reduces speed but increases torque output. Match both pulleys to the same HTD-5M belt pitch.

Which bore diameter should I select for a NEMA 17 stepper motor?

Standard NEMA 17 stepper motors have a 5 mm output shaft. Select the 5 mm bore option. If your motor has a D-cut or flat on the shaft, you will need to add a set screw after installation — the bore is round and accepts a set screw for shaft locking.

Is this pulley compatible with GT2 belts?

No. This pulley uses the HTD-5M tooth profile, which has a rounded tooth form with 5 mm pitch. GT2 belts have a 2 mm pitch and a different tooth geometry. These are not interchangeable. Ensure your belt is specifically labeled HTD-5M or 5M before ordering this pulley.

How strong is the aluminum pulley under continuous belt tension?

The aluminum alloy body handles the cyclic tension loads typical of CNC and 3D printer drives. The HTD tooth profile distributes load across a larger contact area than trapezoidal profiles, reducing stress concentration. For very high-torque industrial applications exceeding the typical desktop CNC range, contact us to confirm suitability.

Will the anodized finish resist corrosion in a workshop environment?

Yes. The black hard anodizing creates an aluminum oxide layer that resists oxidation, light moisture, and workshop dust. It is not rated for immersion or highly corrosive chemical environments. For outdoor or wet applications, additional protection may be needed.

What is the step drive / flanged hub design and why does it matter?

The step drive design means the pulley hub has a raised shoulder (flange) on one or both sides of the toothed section. This flange acts as a physical guide that prevents the HTD-5M belt from walking sideways off the pulley during operation, which is especially important on long-span or high-speed belt drives.

Can I use this pulley with a 15mm wide HTD-5M belt?

This pulley is designed for 16 mm wide belts. A 15 mm belt will fit within the flanged section and function correctly, though there will be a small gap on one side. For best tracking, use a belt that matches the 16 mm pulley width as closely as possible.

🛒 Select your tooth count and bore diameter above, then add to cart.

 

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