Heavy Duty 3GT Timing Synchronous Belt 417mm Closed Loop Drive Belt With 139 Teeth 15mm Width 3mm Pitch Black Rubber Fits CNC Machines And 3D Printers 6 To 20mm Width Options Durable Conveyor System Belt

3GT Closed-Loop Timing Belt, 417mm, 139 Teeth, 15mm Wide
✔️ 3mm pitch, circular-arc teeth, 139 teeth, single-belt, 6-20mm widths

This heavy duty belt is designed for precise drive in CNC machines and 3D printers. It uses a 3GT closed-loop rubber construction with 139 teeth, 417mm length, and is available in widths of 6, 9, 10, 15, and 20 mm.

✅ Belt type: 3GT closed-loop rubber synchronous belt
✅ Pitch: 3mm; Teeth: circular-arc profile; Teeth count: 139
✅ Width options: 6, 9, 10, 15, 20 mm
✅ Length: 417mm
✅ Color: black rubber for durability

💡 What is a belt used for in precision drive systems like CNC machines and 3D printers?

This handy timing belt keeps motion in sync and reduces backlash.

- synchronized motion for accurate axis control
- 3mm pitch matches common pulleys for reliable engagement
- ideal for belt-driven linear motion in hobby and light industrial setups
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