T5 20mm Timing Belt Drive Pulley 10 12 15 20 25 30 35 40 50 60 Teeth 5-24mm Bore
T5 20mm Timing Belt Drive Pulley 10 12 15 20 25 30 35 40 50 60 Teeth 5-24mm Bore
T5 20mm Timing Belt Drive Pulley 10 12 15 20 25 30 35 40 50 60 Teeth 5-24mm Bore
T5 20mm Timing Belt Drive Pulley 10 12 15 20 25 30 35 40 50 60 Teeth 5-24mm Bore
T5 20mm Timing Belt Drive Pulley 10 12 15 20 25 30 35 40 50 60 Teeth 5-24mm Bore
Roll over image to zoom in Click on image to zoom
T5 20mm Timing Belt Drive Pulley 10 12 15 20 25 30 35 40 50 60 Teeth 5-24mm BoreT5 20mm Timing Belt Drive Pulley 10 12 15 20 25 30 35 40 50 60 Teeth 5-24mm BoreT5 20mm Timing Belt Drive Pulley 10 12 15 20 25 30 35 40 50 60 Teeth 5-24mm BoreT5 20mm Timing Belt Drive Pulley 10 12 15 20 25 30 35 40 50 60 Teeth 5-24mm BoreT5 20mm Timing Belt Drive Pulley 10 12 15 20 25 30 35 40 50 60 Teeth 5-24mm Bore

T5 20mm Timing Belt Drive Pulley 10 12 15 20 25 30 35 40 50 60 Teeth 5-24mm Bore

HomeDIYer
No reviews

By HomeDIYer®

Price:
$13.82 USD
Stock:
In stock (500 units), ready to be shipped

Payment & Security

Ach Direct Debit Amazon American Express Apple Pay Bancontact BLIK Diners Club Discover EPS Google Pay iDEAL Wero JCB Maestro Mastercard Multibanco MobilePay PayPal Przelewy24 Shop Pay Twint Union Pay USDC Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Limited Offer — Spend More, Save More
Spend $55+
Save $5
Spend $100+
Save $10
Spend $200+
Save $25
✅ Discount applied automatically at checkout 🚚 Free shipping on orders over $89
HomeDIYer DIY Expert Support

DIY Expert Support

Get fitment advice & recommendations

Mon–Fri  8:30 AM – 8:00 PM
WhatsApp
24-Hour Fast Ship
Arrives in 3–14 Days
Worldwide Shipping
30-Day Returns
1 tree planted with every purchase

Description

T5 20mm Timing Belt Drive Pulley — Precision Motion Control for Makers and Engineers

When your CNC router skips steps or your 3D printer loses position mid-print, the culprit is often a poorly machined pulley with inconsistent tooth geometry. Makers, robotics builders, and automation engineers who demand repeatable, slip-free motion need a T5 timing belt pulley they can trust. These T5 20mm drive pulleys are engineered for exactly that — delivering accurate, backlash-minimized power transmission in demanding DIY and light-industrial applications.

Each pulley is machined from aluminum alloy with a natural or anodized finish, featuring a 20mm tooth width (0.79 in) and T5 tooth profile (5mm pitch / 0.197 in pitch). Tooth counts range from 10 to 60 teeth, and bore diameters span 5mm to 24mm (0.197 in to 0.945 in), covering the most common shaft sizes used in motion-control builds. A set screw is included to secure the pulley to the shaft.

Typical use cases include T5 belt-driven CNC router X/Y axes, RepRap and custom 3D printer extruder or gantry drives, linear actuator systems for robotics and automation, and stepper-motor-driven conveyor or indexing mechanisms. Long-tail search terms this product covers: T5 20mm aluminum timing pulley with set screw, T5 drive pulley 5mm bore for NEMA 17, T5 60-tooth pulley 20mm wide for CNC.

⚙️ Belt Compatibility: Fits standard T5 timing belts with 5mm pitch and 20mm width. Verify your belt width and pitch before ordering.

✅ Key Features of These T5 Timing Belt Drive Pulleys

  • 🔩Wide Tooth Count Range — Available in 10, 12, 14, 15, 16, 17, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 34, 36, 38, 40, 50, and 60 teeth to match your gear ratio and speed requirements.
  • 🎯Broad Bore Selection — Bore options from 5mm to 24mm (including 6.35mm / 1/4" and 12.7mm / 1/2" imperial sizes) accommodate NEMA 17, NEMA 23, and custom shaft diameters.
  • 🏗️Aluminum Alloy Construction — Lightweight yet rigid material keeps rotational inertia low while withstanding the torque loads typical of belt-driven motion systems.
  • 📐T5 Tooth Profile — 5mm Pitch — Standard T5 geometry ensures positive engagement with T5 belts, minimizing tooth skip under load and maintaining positional accuracy.
  • 🔧Set Screw Included — Each pulley ships with a set screw for secure shaft mounting. Bore is pre-drilled and tapped for immediate installation.
  • 📏20mm Tooth Width — Wider belt contact surface distributes load evenly, reducing belt edge wear and extending drive system service life compared to narrower pulleys.

📐 Technical Specifications — T5 Timing Belt Drive Pulley

Belt Type T5
Tooth Pitch 5mm (0.197 in)
Tooth Width 20mm (0.79 in)
Number of Teeth 10 / 12 / 14 / 15 / 16 / 17 / 18 / 19 / 20 / 22 / 24 / 25 / 26 / 28 / 30 / 32 / 34 / 36 / 38 / 40 / 50 / 60
Bore Diameter 5 / 6 / 6.35 / 8 / 10 / 12 / 12.7 / 14 / 15 / 16 / 17 / 18 / 19 / 20 / 24 mm
Material Aluminum Alloy
Finish See variant options
Shaft Fixing Set Screw (included)
Flange See variant options
Outside Diameter See variant options
Hub Length See variant options
Compatible Belt Width 20mm

❓ Frequently Asked Questions

How do I choose the right number of teeth for my application?

The number of teeth determines your drive ratio and belt speed. For a 1:1 ratio, use the same tooth count on both the drive and driven pulleys. To reduce speed and increase torque, use a smaller tooth count on the motor pulley and a larger count on the driven pulley. Common starting points: 20-tooth pulleys for 3D printer gantries, 16–20 teeth for CNC router drives, and 30–60 teeth for slower, higher-torque applications.

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

NEMA 17 stepper motors typically have a 5mm output shaft. Select the 5mm bore option for a direct fit. If your motor has a D-cut shaft, ensure the set screw aligns with the flat. For NEMA 23 motors, the standard shaft is 6.35mm (1/4") — select the 6.35mm bore variant.

Are these pulleys compatible with standard T5 timing belts?

Yes. These pulleys are machined to the standard T5 tooth profile with a 5mm pitch, making them compatible with any standard T5 timing belt. Ensure your belt width matches the 20mm tooth width of these pulleys for full engagement. Using a narrower belt is possible but reduces load capacity.

How strong are aluminum timing pulleys compared to steel?

Aluminum alloy pulleys offer an excellent strength-to-weight ratio for most DIY and light-industrial motion applications. They handle the torque loads typical of NEMA 17 and NEMA 23 stepper motors without deformation. For very high-torque or heavy-duty industrial applications requiring maximum durability, steel pulleys may be preferred — but for CNC routers, 3D printers, and robotics, aluminum is the standard choice.

Will these pulleys corrode or rust?

Aluminum alloy has inherent corrosion resistance due to its natural oxide layer. These pulleys are suitable for indoor workshop and laboratory environments. For outdoor or high-humidity applications, an anodized finish provides additional protection. They will not rust like steel pulleys.

How do I install the pulley onto my motor shaft?

Slide the pulley onto the motor shaft, align it with your belt path, and tighten the included set screw using an appropriate hex key (Allen wrench). Ensure the set screw engages the shaft flat (if present) for maximum grip. Check belt tension after installation — the belt should deflect approximately 1–2mm under light finger pressure at the midpoint of the span.

Can I use a 20mm-wide belt with a narrower pulley, or vice versa?

These pulleys have a 20mm tooth width designed for 20mm T5 belts. Using a narrower belt on a 20mm pulley is mechanically possible but reduces the contact area and load capacity. Using a wider belt on a narrower pulley is not recommended as the belt will overhang and wear unevenly. For best results, match belt width to pulley tooth width.

🛒 Select your Number of Teeth and Bore diameter above, then add to cart.

 

You may also like

Recently viewed