---
product_id: 58783764
title: "WINSINN GT2 Timing Belt Pulley 20 Teeth, 5mm Bore, for 6mm Width Belt - Ideal for 3D Printers, CNC Machines, Robotics (5-Pack)"
brand: "winsinn"
price: "VT3837"
currency: VUV
in_stock: true
reviews_count: 13
category: "Winsinn"
url: https://www.desertcart.vu/products/58783764-winsinn-gt2-timing-belt-pulley-20-teeth-5mm-bore-6mm
store_origin: VU
region: Vanuatu
---

# 5mm bore for perfect shaft fit Aluminum build for lightweight durability 20 precision teeth for flawless timing WINSINN GT2 Timing Belt Pulley 20 Teeth, 5mm Bore, for 6mm Width Belt - Ideal for 3D Printers, CNC Machines, Robotics (5-Pack)

**Brand:** winsinn
**Price:** VT3837
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate your machine’s precision game—because every tooth counts!

## Quick Answers

- **What is this?** WINSINN GT2 Timing Belt Pulley 20 Teeth, 5mm Bore, for 6mm Width Belt - Ideal for 3D Printers, CNC Machines, Robotics (5-Pack) by winsinn
- **How much does it cost?** VT3837 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/58783764-winsinn-gt2-timing-belt-pulley-20-teeth-5mm-bore-6mm)

## Best For

- winsinn enthusiasts

## Why This Product

- Trusted winsinn brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Crafted from corrosion-resistant aluminum, engineered to withstand intense industrial and hobbyist use.
- • **Precision Perfected:** 20 teeth GT2 profile ensures ultra-smooth, backlash-free motion for your 3D printer or CNC setup.
- • **Value in Every Pack:** Five pulleys per pack to support multi-axis projects or keep spares handy—never pause your workflow.
- • **Versatility Unleashed:** Compatible with 6mm width GT2 belts—ideal for robotics, laser engravers, CNC routers, and beyond.
- • **Effortless Installation:** Includes screws and Allen wrench for quick, secure mounting—get your machine running faster with zero hassle.

## Overview

The WINSINN GT2 Timing Belt Pulley features 20 teeth and a 5mm bore designed for 6mm width GT2 belts, delivering precise, synchronous motion essential for 3D printers, CNC machines, and robotics. Made from lightweight, corrosion-resistant aluminum, it ensures durability and smooth operation. The included hardware enables quick installation, and the 5-pack offers excellent value for multi-axis setups or spares, making it a versatile, reliable choice for both professionals and hobbyists.

## Description

Boost Your Machinery with High-Performance GT2 Timing Belt PulleysEnhance your 3D printers, CNC machines, or automation projects with these precision-engineered GT2 pulleys. Designed for smooth, synchronous motion, they’re perfect for tasks requiring accuracy and reliability.Key Features:Precision Design: With 20 teeth and a 5mm bore, this pulley fits GT2 belts (6mm width) for minimal backlash in 3D printing, robotics, or CNC applications.Durable Aluminum: Lightweight yet strong, the aluminum construction resists corrosion and wear, ensuring consistent performance in various setups.Simple Installation: Comes with screws and an Allen wrench for quick mounting on matching shafts, supporting stable operation at high speeds.Versatile Use: Ideal for 3D printers, CNC routers, robotics, and more. A great fit for both hobbyist and professional automation needs.Why Choose These Pulleys?Accurate Motion: The GT2 profile supports precise positioning for detailed tasks like engraving or milling.Efficient Operation: Smooth machining reduces friction and noise, improving your machine’s overall performance.Convenient 5-Pack: Get five pulleys for multi-device builds or as replacements, offering great value for your projects.Installation Tips:Match the shaft size to the pulley bore (5mm for this model).Secure the pulley with the provided screws.Align with the belt for optimal function.From DIY 3D printers to industrial systems, these pulleys deliver quality and dependability at an affordable price.

Review: Exceptionally tight fitting - These are exceptionally tight fitting listed as 6.35mm hole. Lightly pressed onto 1/4" shaft by hand. Wow what a nice surprise and fit. Quality is good all the way around. Excellent fit and function due to great dimensional control on manufacturing side.
Review: Well made, working great. - Well made, working great. Does exactly what they're supposed to do.

## Features

- 【20 TEETH, 5MM BORE, FOR 6MM WIDTH BELT】Precision GT2 pulley ensures smooth motion for 3D printers, CNC machines, and robotics. Designed for accurate synchronization and minimal slippage in various automation tasks.
- 【HIGH-QUALITY ALUMINUM BUILD】Made from lightweight, durable aluminum with a smooth finish for enhanced strength and corrosion resistance. Ideal for long-term use in demanding environments like 10D printing or CNC milling.
- 【EASY SETUP WITH HARDWARE INCLUDED】Includes screws and an Allen wrench for fast, secure installation on compatible shafts. Ensures stable performance in high-speed applications without complex assembly requirements.
- 【WIDE APPLICATION COMPATIBILITY】Perfect for GT2 timing belts with 6mm width, this pulley suits 10D printers, CNC routers, robotics, and laser engravers. A versatile choice for hobbyists and professionals alike.
- 【VALUE PACK OF 5】Comes with five pulleys for multi-axis setups or spares. Ideal for maintaining consistent performance across your projects, from DIY builds to industrial automation systems.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B077GNZK3J |
| Best Sellers Rank | #6,357 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Mechanical Timing Pulleys #760 in Material Handling Products |
| Date First Available | November 14, 2017 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.13 ounces |
| Item model number | TBL6MM205 |
| Manufacturer | WINSINN |
| Package Dimensions | 4.65 x 2.8 x 0.67 inches |

## Images

![WINSINN GT2 Timing Belt Pulley 20 Teeth, 5mm Bore, for 6mm Width Belt - Ideal for 3D Printers, CNC Machines, Robotics (5-Pack) - Image 1](https://m.media-amazon.com/images/I/615pf1v4DLL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: Can the tops\caps be removed?**
A: Not that I’m aware of

**Q: Do 5 come in a pack as shown in the picture?**
A: Hi.  I received a package of 5 pulleys and the wrench for the set screws.  Exactly as shown in the picture.

**Q: Do 5 come in a pack as shown in the picture?**
A: Yes

**Q: Is the 16 tooth Pulley, set screws M4?**
A: M5 Bore

## Customer Reviews

### ⭐⭐⭐⭐⭐ Exceptionally tight fitting
*by L***S on November 5, 2025*

These are exceptionally tight fitting listed as 6.35mm hole. Lightly pressed onto 1/4" shaft by hand. Wow what a nice surprise and fit. Quality is good all the way around. Excellent fit and function due to great dimensional control on manufacturing side.

### ⭐⭐⭐⭐⭐ Well made, working great.
*by C***R on December 5, 2025*

Well made, working great. Does exactly what they're supposed to do.

### ⭐⭐⭐⭐⭐ loved using these!
*by T***Y on December 31, 2025*

This was part of my first step into physical modification of my 3D printer. these pulleys worked as expected, haven't slipped at all and yeah. they just work as expected.

## Frequently Bought Together

- WINSINN GT2 Pulley 20 Teeth 5mm bore 6mm Width 20T Timing Belt Pulley Wheel Aluminum for 3D Printer (Pack of 5Pcs)
- WINSINN GT2 Idler Pulley 20 Teeth 5mm Bore 6mm Width Timing Pulley Wheel Aluminum for 3D Printer (Pack of 5Pcs)
- 5M GT2 Timing Belt, Upgrade Non-Slip Version, Width 6mm, Fit for 3D Printer and Most Belt Driven Printers

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-15*