5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt
5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt
5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt
5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt
5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt
5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt
5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt
5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt
5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt
5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt
5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt
5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt
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5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt

5M Timing Belt Pulley AF-Type 10T~16T Synchronous Wheel For 15mm/20mm Width Belt

HomeDIYer
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By HomeDIYer®

Price:
$12.48 USD
Stock:
In stock (500 units), ready to be shipped

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Description

5M Timing Belt Pulley AF-Type — Precise Synchronous Drive for DIY Automation

When your CNC router skips steps or your conveyor drive slips under load, the culprit is often a mismatched or worn pulley. Makers, small-workshop engineers, and robotics hobbyists who need repeatable, slip-free motion rely on a properly spec'd 5M timing belt pulley to keep every axis locked in sync.

This 5M timing belt pulley is offered in the AF-Type (flanged hub) configuration, machined to accept 5M pitch synchronous belts. Tooth counts range from 10T to 16T, and bore diameters span 5 mm (0.197 in) to 14 mm (0.551 in) — including keyed-bore variants for positive shaft engagement. Compatible belt widths are 15 mm (0.59 in) and 20 mm (0.79 in), covering the most common 5M belt sizes used in DIY and light industrial builds.

Typical use cases include open-loop CNC axis drives where tooth count determines step resolution, 3D printer extruder and gantry systems requiring consistent belt tension, and small conveyor or indexing table builds where synchronous timing between shafts is critical.

⚙️ Compatibility: Designed for 5M pitch synchronous timing belts with 15 mm or 20 mm width. Verify your shaft diameter matches the selected bore before ordering.

✅ Key Features of These 5M Timing Belt Pulleys

  • 🦷10T–16T Tooth Range — Five tooth-count options let you dial in the exact drive ratio your project needs, from faster surface speed to higher torque multiplication.
  • 🔩AF-Type Flanged Hub — The integrated flange keeps the belt tracking on the pulley face, reducing lateral drift and extending belt life in long-run applications.
  • 📐Wide Bore Selection — Bore sizes from 5 mm to 14 mm (including 6.35 mm / ¼ in for imperial shafts) accommodate a broad range of motor and shaft standards without custom machining.
  • 🔑Keyed-Bore Variants Available — Select bore options include a keyway slot (e.g., 8 mm 3×1.4 mm, 10 mm 3×1.4 mm, 12 mm 4×1.8 mm / 5×2.3 mm) for positive, non-slip shaft coupling under reversing loads.
  • 📏Dual Belt-Width Support — Each tooth count is available for both 15 mm and 20 mm wide belts, so you can match the pulley to your existing belt stock without swapping the entire drive system.
  • 🏭Consistent 5M Pitch Profile — The 5 mm tooth pitch is machined to standard 5M profile geometry, ensuring smooth meshing with any compliant 5M synchronous belt and minimising backlash in positioning applications.

📐 Technical Specifications — 5M Timing Belt Pulley

Belt Pitch 5M (5 mm pitch)
Pulley Type AF-Type (flanged hub)
Number of Teeth 10T, 12T, 14T, 15T, 16T (see variant options)
Compatible Belt Width 15 mm (0.59 in) / 20 mm (0.79 in)
Bore Diameter 5 mm, 6 mm, 6.35 mm, 7 mm, 8 mm, 10 mm, 12 mm, 14 mm (see variant options)
Keyed Bore Options 8 mm (3×1.4 mm key), 10 mm (3×1.4 mm key), 12 mm (4×1.8 mm / 5×2.3 mm key)
Material See variant options
Finish / Colour See variant options
Weight See variant options
Set Screw Contact us to confirm

❓ Frequently Asked Questions

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

Tooth count determines the drive ratio between two pulleys. A smaller pulley (e.g., 10T) paired with a larger driven pulley increases torque and reduces output speed. For CNC axes, the tooth count also affects linear resolution per motor step — more teeth per revolution means more belt travel per step. Match your tooth count to your required step resolution or gear ratio before ordering.

What is the difference between a plain bore and a keyed bore?

A plain bore relies on a set screw pressing against the shaft to prevent rotation. A keyed bore includes a machined slot that accepts a matching key on the shaft, creating a positive mechanical lock. Keyed bores are recommended for reversing loads, high-torque drives, or any application where slippage under a set screw would cause positioning errors.

Will this pulley fit my 5M timing belt?

Yes — this pulley is machined to the standard 5M tooth profile (5 mm pitch), so it meshes correctly with any compliant 5M synchronous belt. Ensure you also select the matching belt width: choose the 15 mm variant if your belt is 15 mm wide, or the 20 mm variant for a 20 mm wide belt. Mixing belt widths and pulley widths will cause the belt to ride over the flange or run loose.

Is the 6.35 mm bore suitable for imperial (¼-inch) shafts?

Yes. 6.35 mm is the metric equivalent of ¼ inch (0.250 in), making this bore option directly compatible with standard ¼-inch motor shafts commonly found on NEMA 17 and some NEMA 23 stepper motors used in 3D printers and small CNC machines.

How do I know if the AF-Type flange is on the correct side for my build?

The AF-Type designation indicates a single-flange or double-flange configuration that keeps the belt laterally constrained on the pulley. In most open-belt drive systems, one flanged pulley per shaft is sufficient to prevent belt walk. If your belt path is long or subject to side loads, consider using flanged pulleys at both ends of the drive. Contact us if you need clarification on the specific flange configuration for this listing.

Can I use these pulleys in a 3D printer or CNC router?

Yes. 5M pulleys are widely used in mid-format CNC routers, laser cutters, and larger-format 3D printers where the 5 mm pitch provides a good balance of tooth strength and positioning resolution. Verify that your existing belt is 5M pitch and that the bore matches your motor shaft diameter before purchasing.

What keyway dimensions are available, and how do I select the right one?

Three keyed-bore options are available: 8 mm bore with a 3×1.4 mm key, 10 mm bore with a 3×1.4 mm key, and 12 mm bore with either a 4×1.8 mm or 5×2.3 mm key. Match the keyway dimensions to the key already cut on your shaft. If your shaft has no keyway, select a plain bore and use the set screw to secure the pulley.

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

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