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home > 2GT Closed Loop Timing Belt 6mm Wide — GT2 Rubber Synchronous Belt for 3D Printers & CNC > 2GT Closed Loop Timing Belt 6mm Wide — GT2 Rubber Synchronous Belt for 3D Printers & CNC

2GT Closed Loop Timing Belt 6mm Wide — GT2 Rubber Synchronous Belt for 3D Printers & CNC main image 0

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2GT Closed Loop Timing Belt 6mm Wide — GT2 Rubber Synchronous Belt for 3D Printers & CNC2GT Closed Loop Timing Belt 6mm Precise, Slip Free Motion for 3D Printers & CNC Machines When your 3D printer skips steps or your CNC router loses position mid cut, a worn or incorrectly sized timing belt is often the culprit. This 2GT closed loop timing belt is designed for makers, engineers, and repair technicians who need a reliable drop in replacement or upgrade for GT2 profile drive systems without the guesswork of open ended belt cutting. Each

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2GT Closed Loop Timing Belt 6mm — Precise, Slip-Free Motion for 3D Printers & CNC Machines

When your 3D printer skips steps or your CNC router loses position mid-cut, a worn or incorrectly sized timing belt is often the culprit. This 2GT closed loop timing belt is designed for makers, engineers, and repair technicians who need a reliable drop-in replacement or upgrade for GT2-profile drive systems — without the guesswork of open-ended belt cutting.

Each belt is a single closed loop made from rubber with an embedded fiberglass tension cord, available in a 6mm width across 21 circumference options ranging from 100mm (≈3.9") to 1225mm (≈48.2"). The 2mm GT2 tooth pitch is the industry standard for desktop motion systems, ensuring a snug fit on any matching GT2 or 2GT pulley.

Typical applications include FDM 3D printer X/Y axis drives (Ender 3, Voron, Prusa-style builds), desktop laser engravers, small CNC router gantry systems, and DIY robotics projects requiring a compact closed-loop synchronous belt drive.

ℹ️ Compatibility: Fits any GT2 / 2GT pulley with 2mm tooth pitch and 6mm belt width. Verify your pulley bore width and tooth count before ordering.

✅ Key Features of These 2GT Closed Loop Timing Belts

🔁Closed-Loop Design — No splicing or clamping needed; the seamless loop eliminates the weak points common in open-ended belt installations.
⚙️Standard 2mm GT2 Pitch — Matches the most widely used tooth profile in desktop 3D printers and CNC routers, making this a direct replacement for GT2 synchronous belt drives.
🧲Fiberglass Tension Cord Core — The embedded cord resists stretching under load, helping maintain consistent positioning accuracy over repeated cycles.
🛑Anti-Slip Rubber Tooth Profile — The molded rubber teeth engage pulley grooves firmly, reducing the risk of tooth skipping during rapid direction changes or acceleration.
📐21 Circumference Options — Sizes from 100mm to 1225mm let you match the exact loop length your machine requires without cutting or joining open belt stock.
🔧Easy Drop-In Replacement — Uniform 6mm width fits standard GT2 pulley flanges; no special tools required for installation on most desktop motion platforms.

📐 Technical Specifications — 2GT Closed Loop Timing Belt

Belt Profile	GT2 / 2GT
Tooth Pitch	2mm
Belt Width	6mm (≈1/4")
Available Circumferences	100mm–1225mm (≈3.9"–48.2") — see variant options
Belt Type	Closed loop (seamless)
Body Material	Rubber
Tension Member	Fiberglass cord
Tooth Count per Variant	See variant options (circumference ÷ 2mm pitch)
Compatible Pulley Profile	GT2 / 2GT, 2mm pitch
Recommended Use	3D printers, CNC routers, laser engravers, robotics
Operating Temperature	Contact us to confirm
Color / Finish	Black

⚠️ Note: The model number (e.g., 2GT-200MM) indicates the belt's inner circumference, not its outer diameter. Confirm your required loop length before selecting a variant.

❓ Frequently Asked Questions

How do I choose the right belt length for my machine?

The model number indicates the belt's inner circumference in millimeters — for example, 2GT-200MM has a 200mm (≈7.9") inner loop. To estimate the length you need, measure the center-to-center distance between your pulleys, multiply by 2, and add the circumferences of both pulleys. When in doubt, size up slightly and use a tensioner to take up slack.

What pitch is this belt, and will it fit standard GT2 pulleys?

This belt uses the standard 2mm GT2 pitch profile. It is compatible with any GT2 or 2GT pulley with a 2mm tooth pitch and a 6mm bore width — the most common configuration in desktop 3D printers and small CNC machines. It is generally not interchangeable with MXL, T2.5, or HTD-profile pulleys.

What is the belt made of, and how strong is it?

The belt body is rubber with an embedded fiberglass tension cord. This construction typically provides sufficient tensile strength for desktop motion systems running at moderate speeds and loads. For high-torque or industrial applications, contact us to confirm suitability before ordering.

Can this belt be used outdoors or in humid environments?

The rubber compound generally offers moderate resistance to moisture and mild temperature variation, making it suitable for enclosed workshop and machine environments. Prolonged UV exposure or extreme heat/cold may accelerate wear. For outdoor or harsh-environment installations, contact us to confirm compatibility.

Is this belt compatible with both 3D printers and CNC routers?

Yes. The 2GT 6mm closed loop belt is widely used in FDM 3D printers (Ender 3, Voron, Prusa-style machines), desktop laser engravers, and small CNC router gantry systems that use GT2-profile drive systems. Always verify your machine's pulley tooth count and belt channel width before ordering.

How do I know if my machine needs a 6mm wide belt?

6mm is the most common belt width for desktop 3D printers and small CNC machines. Check your existing belt or pulley flange width — if the belt channel is approximately 6mm (≈1/4") wide, this belt will fit. Machines with wider drive systems may require 9mm or 10mm belts instead.

What sizes are available, and how are the model numbers formatted?

Available inner circumferences range from 100mm (≈3.9") to 1225mm (≈48.2") across 21 variants. The model number format is 2GT-[circumference]MM — for example, 2GT-300MM is a 300mm inner loop belt. Select your required size from the variant dropdown above.

🛒 Select your belt width and model (circumference) above, then add to cart — ships from our US warehouse.

2GT Closed Loop Timing Belt 6mm Wide — GT2 Rubber Synchronous Belt for 3D Printers & CNC

Name: 2GT Closed Loop Timing Belt 6mm Wide — GT2 Rubber Synchronous Belt for 3D Printers & CNC
Brand: leseauxdelinval.fr
SKU: 22199866636
Price: 140.00 USD
Availability: InStock
Rating: 4.3051 (389 reviews)