# GT2 3mm tensioner pulley, 20 teeth

> Toothed tensioner pulley for GT2 belts with 20 teeth, used for tensioning the belt and reducing slippage in CNC mechanisms and 3D printers. Compatible with a 6mm wide belt, features a 3mm inner shaft diameter for easy mounting, and ensures smooth operation at high speeds. Type GT2, 20T.

- Page: https://sigmanortec.ro/en/gt2-3mm-tensioner-pulley-20-teeth
- Price: 10.89 RON
- Availability: In stock; 1-2 zile
- Reference: 33235 · EAN: 5944366056835
- Category: Mechanical components > Pulleys and Belts
- Package (shipping data): 0.002 kg
- Updated: 2026-09-23
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 04:14 (Europe/Bucharest)

## Description

GT2 belt tensioner, ideal for precise belt tensioning and slip reduction in CNC mechanisms and 3D printers. It has 20 teeth for stable guidance, is compatible with 6mm belt, includes 3mm inner diameter shaft for easy installation and ensures smooth operation at high speeds.
Tensioner pulley with teeth for GT2 belts diameter 6mm, used for belt tensioning. Type 20T
Type: GT2
Number of teeth: 20
Belt width: 6mm
Inner shaft diameter: 3mm
