MXL 26-80Teeth Timing Belt Pulleys Pitch 2.032mm AF-type With Keyway Width 11mm
MXL 26-80Teeth Timing Belt Pulleys Pitch 2.032mm AF-type With Keyway Width 11mm
MXL 26-80Teeth Timing Belt Pulleys Pitch 2.032mm AF-type With Keyway Width 11mm
MXL 26-80Teeth Timing Belt Pulleys Pitch 2.032mm AF-type With Keyway Width 11mm
MXL 26-80Teeth Timing Belt Pulleys Pitch 2.032mm AF-type With Keyway Width 11mm
Roll over image to zoom in Click on image to zoom
MXL 26-80Teeth Timing Belt Pulleys Pitch 2.032mm AF-type With Keyway Width 11mmMXL 26-80Teeth Timing Belt Pulleys Pitch 2.032mm AF-type With Keyway Width 11mmMXL 26-80Teeth Timing Belt Pulleys Pitch 2.032mm AF-type With Keyway Width 11mmMXL 26-80Teeth Timing Belt Pulleys Pitch 2.032mm AF-type With Keyway Width 11mmMXL 26-80Teeth Timing Belt Pulleys Pitch 2.032mm AF-type With Keyway Width 11mm

MXL 26-80Teeth Timing Belt Pulleys Pitch 2.032mm AF-type With Keyway Width 11mm

HomeDIYer
No reviews

By HomeDIYer®

Price:
$11.40 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

MXL Timing Belt Pulleys — Precise 2.032mm Pitch Drive for DIY Automation

When your CNC router, 3D printer, or small automation rig demands repeatable, slip-free motion, a mismatched or poorly machined pulley becomes the weakest link in the entire drive train. These MXL timing belt pulleys are engineered for makers, hobbyists, and small-workshop builders who need a reliable, drop-in synchronous drive component without over-engineering the budget.

Each pulley is machined from aluminum alloy with a natural silver finish. The MXL tooth profile has a pitch of 2.032 mm (0.080 in) and a tooth depth of approximately 0.51 mm (0.020 in). Belt width compatibility is 11 mm (0.43 in). Bore options span 8 mm to 15 mm (0.31–0.59 in), and tooth counts run from 26 T to 80 T, giving you a wide gear-ratio selection from a single product family. Each pulley ships with a pre-cut AF-type keyway and set-screw flange for secure shaft locking.

Typical use cases include desktop CNC routing machines requiring low-backlash X/Y axis drives, FDM 3D printer extruder and motion systems using MXL belt loops, and compact conveyor or pick-and-place automation rigs in educational labs or light industrial settings.

⚙️ Compatibility: Fits standard MXL open-end and closed-loop timing belts with 11 mm width. Verify your shaft diameter and keyway dimensions against the variant options before ordering.

✅ Key Features of These MXL Timing Belt Pulleys

📐 2.032 mm MXL Pitch
Industry-standard tooth spacing ensures direct compatibility with MXL timing belts used across CNC and 3D-printer platforms.
🔩 AF-Type Keyway with Set Screw
Pre-machined keyway (3×1.4 mm, 4×1.8 mm, or 5×2.3 mm depending on variant) locks the pulley to the shaft without slipping under load.
🎯 Wide Tooth-Count Range (26 T – 80 T)
Select the exact gear ratio your drive system needs — from fast, high-resolution motion at 26 T to high-torque reduction at 80 T.
🔧 Multiple Bore Sizes (8 – 15 mm)
Bore options of 8, 10, 12, 12.7, 14, and 15 mm cover the most common stepper motor and servo shaft diameters used in DIY automation.
🏗️ Aluminum Alloy Construction
Lightweight yet rigid aluminum body keeps rotational inertia low — critical for responsive acceleration in motion-control applications.
📦 Single-Piece Packaging
Each variant ships as 1 piece, letting you order exactly the quantity your build requires without excess stock.

📐 Technical Specifications — MXL Timing Belt Pulleys

Belt Profile MXL (Extra Light)
Pitch 2.032 mm (0.080 in)
Tooth Depth Approx. 0.51 mm (0.020 in)
Belt Width 11 mm (0.43 in)
Number of Teeth 26 T – 80 T (see variant options)
Bore Diameter 8 / 10 / 12 / 12.7 / 14 / 15 mm (see variant options)
Keyway Type AF-type (see variant options)
Keyway Dimensions 3×1.4 mm / 4×1.8 mm / 5×2.3 mm (see variant options)
Material Aluminum alloy
Finish Natural silver (uncoated)
Quantity per Order 1 piece
Weight See variant options

❓ Frequently Asked Questions

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

The tooth count determines your drive ratio. Divide the driven pulley teeth by the driving pulley teeth to get the ratio. For example, a 60 T driven pulley paired with a 30 T driving pulley gives a 2:1 reduction, doubling torque and halving speed. For CNC and 3D-printer motion axes, 26–40 T pulleys are common on the motor shaft for responsive, high-resolution movement.

Which bore size should I select for my stepper motor shaft?

Match the bore to your motor shaft diameter. NEMA 17 steppers typically use a 5 mm shaft (not listed — check your motor spec), while NEMA 23 steppers commonly use 6.35 mm (1/4 in) or 8 mm shafts. Servo motors and DC gear motors often use 8–15 mm shafts. Always measure your shaft with calipers before ordering.

What keyway size should I choose?

The keyway must match the key slot on your shaft. The three options are 3×1.4 mm (suitable for smaller bores, 8–10 mm), 4×1.8 mm (mid-range bores, 10–12 mm), and 5×2.3 mm (larger bores, 12.7–15 mm). If your shaft has no keyway, you can still use the set screw alone for light-duty applications, but a keyed connection is recommended for sustained torque loads.

Are these pulleys compatible with MXL closed-loop timing belts?

Yes. These pulleys are designed for the MXL tooth profile and work with both open-end MXL timing belt stock and closed-loop MXL belt loops, provided the belt width is 11 mm. Confirm the belt's pitch (2.032 mm) matches before purchasing.

How strong are aluminum timing belt pulleys compared to steel?

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

Will these pulleys corrode or oxidize over time?

Aluminum naturally forms a thin oxide layer that protects against further corrosion in normal indoor environments. These pulleys are suitable for dry workshop and lab conditions. For humid or outdoor environments, consider applying a light coat of machine oil or using anodized pulleys for additional protection.

Can I use these pulleys for a 3D printer extruder drive?

Yes. MXL pulleys are widely used in 3D printer extruder and motion systems. Select a tooth count that matches your existing belt loop length and the gear ratio your firmware is calibrated for. The 26 T and 30 T variants are popular choices for direct-drive and Bowden extruder setups.

🛒 Select your Number of Teeth, Bore, and Keyway & Amount above, then add to cart.

You may also like

Recently viewed