Rubber & PU Steel Wire GT2 Open Timing Belt — 6mm & 10mm Width for 3D Printers and CNC Machines
Rubber & PU Steel Wire GT2 Open Timing Belt — 6mm & 10mm Width for 3D Printers and CNC Machines
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Rubber & PU Steel Wire GT2 Open Timing Belt — 6mm & 10mm Width for 3D Printers and CNC MachinesRubber & PU Steel Wire GT2 Open Timing Belt — 6mm & 10mm Width for 3D Printers and CNC Machines

Rubber & PU Steel Wire GT2 Open Timing Belt — 6mm & 10mm Width for 3D Printers and CNC Machines

HomeDIYer
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By HomeDIYer®

Price:
$1.85 USD
Stock:
In stock (500 units), ready to be shipped

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Description

GT2 Open Timing Belt — Precise Motion Control for 3D Printers, CNC Routers & Laser Cutters

If your 3D printer is producing ringing artifacts, layer shifts, or inconsistent dimensions, a worn or low-quality GT2 timing belt is often the culprit. Makers, engineers, and CNC hobbyists who demand repeatable, accurate motion need a belt that holds tension, resists stretch, and meshes cleanly with GT2 pulleys — every single print or cut.

This GT2 open timing belt is available in two materials and two widths: Rubber GT2 (neoprene body with fiberglass cord) and PU Steel Wire GT2 (polyurethane body with steel tension cord), in widths of 6mm (≈1/4") and 10mm (≈3/8"). All variants share the standard 2mm pitch tooth profile. Sold as open-ended belt by length — choose from 1 m (≈3.3 ft), 5 m (≈16.4 ft), 10 m (≈32.8 ft), 20 m (≈65.6 ft), or 50 m (≈164 ft) — cut to exactly what your build requires.

Typical applications include X/Y axis drives on FDM 3D printers (Ender 3, Prusa i3, Voron, RatRig), gantry drives on hobbyist CNC routers and laser engravers, and custom linear motion systems where a GT2 pulley drive is used. The 10mm wide variants are especially popular for GT2 open timing belt CNC router builds where higher lateral stiffness is needed.

🔗 Compatibility: Fits all standard GT2 pulleys and idlers with 2mm pitch teeth. Verify your machine's required belt width (6mm or 10mm) before ordering. Common fits: Ender 3 / Ender 5 / CR-10 (6mm), Voron 2.4 (6mm), RatRig V-Core (6mm or 10mm), most hobbyist CNC routers and diode laser cutters.
⚠️ Before you order: This is an open (non-looped) belt sold by the meter. It is not a closed-loop belt. Confirm the width (6mm or 10mm) and material type required by your machine before selecting a variant.

✅ Key Features of These GT2 Open Timing Belts

  • 📐 Standard 2mm GT2 Tooth Profile — Meshes precisely with GT2 pulleys and idlers for low-backlash, accurate positioning on 3D printers and CNC motion systems.
  • 🔩 Two Material Options for Different Demands — Rubber (neoprene + fiberglass cord) for flexible, cost-effective 3D printer use; PU steel wire for higher tensile strength in CNC router and laser cutter GT2 belt applications.
  • 📏 Two Widths: 6mm and 10mm — 6mm (≈1/4") suits most desktop 3D printer axes; 10mm (≈3/8") provides greater lateral stiffness for wider gantry CNC builds.
  • ✂️ Open-Ended, Cut-to-Length Flexibility — Sold by the meter in five length options (1 m to 50 m), so you get exactly what your build needs without waste or splicing.
  • 🔄 Low Stretch Under Load — Fiberglass or steel wire tension members resist elongation during rapid direction changes, helping maintain consistent layer registration on FDM printers.
  • 🛠️ Drop-In Replacement for Common Machines — Direct replacement for GT2 open timing belt on Ender 3, Ender 5, Prusa i3 MK3, and most CoreXY and bed-slinger 3D printer frames without modification.

📐 Technical Specifications — GT2 Open Timing Belt

Belt Type GT2 Open Timing Belt (non-looped)
Tooth Pitch 2mm (GT2 standard)
Available Widths 6mm (≈1/4") · 10mm (≈3/8")
Available Lengths 1 m (≈3.3 ft) · 5 m (≈16.4 ft) · 10 m (≈32.8 ft) · 20 m (≈65.6 ft) · 50 m (≈164 ft)
Material — Rubber Variant Neoprene rubber body, fiberglass tension cord
Material — PU Steel Wire Variant Polyurethane (PU) body, steel wire tension cord
Tooth Profile GT2 (curvilinear, 2mm pitch)
Compatible Pulleys GT2 pulleys and idlers, 2mm pitch (any tooth count)
Operating Temperature Typically −20°C to 80°C (−4°F to 176°F)
Tensile Strength See variant options (PU steel wire variant offers higher load capacity)
Typical Applications 3D printer X/Y axis, CNC router gantry, laser engraver, linear motion systems
Belt End Type Open (cut ends, not looped)
Country of Origin Contact us to confirm

❓ Frequently Asked Questions

How do I choose the right length of GT2 timing belt?

Measure the total travel distance of your axis, then add enough to route around your pulleys and idlers. For most desktop 3D printers, 1–2 meters per axis is typically sufficient. For larger CNC routers or laser cutters, 5–10 meters per axis is generally recommended. When in doubt, order slightly longer — open belts can be cut to any length with scissors or a sharp blade.

What is the pitch of this GT2 timing belt?

This belt uses the standard GT2 tooth profile with a 2mm pitch (tooth-to-tooth spacing). It is compatible with any GT2 pulley or idler with matching 2mm pitch teeth, regardless of tooth count (16T, 20T, 36T, etc.).

What is the difference between the Rubber GT2 and PU Steel Wire GT2 belt?

The Rubber GT2 belt uses a neoprene rubber body with fiberglass cord reinforcement — flexible, lightweight, and cost-effective for most desktop 3D printers. The PU Steel Wire GT2 belt uses a polyurethane body with steel wire tension members, providing higher tensile strength and lower stretch under load, making it better suited for CNC routers, laser cutters, and heavier gantry systems where dimensional accuracy is critical.

Is this belt compatible with my 3D printer or CNC machine?

This GT2 open timing belt is compatible with any machine that uses standard GT2 (2mm pitch) pulleys, including popular 3D printers such as Ender 3, Ender 5, CR-10, Prusa i3 MK3, Voron 2.4, and RatRig V-Core, as well as most hobbyist CNC routers and diode laser engravers. Always verify your machine's required belt width (6mm or 10mm) before ordering.

Can this timing belt be used in high-temperature or outdoor environments?

Both variants are generally rated for operating temperatures of approximately −20°C to 80°C (−4°F to 176°F), which covers typical enclosed 3D printer chamber temperatures. The PU steel wire variant may offer slightly better resistance to oils and mild chemicals. Neither variant is recommended for prolonged outdoor UV exposure or high-humidity environments without additional protection.

How do I tension the belt correctly after installation?

Proper belt tension is critical for print quality and positioning accuracy. The belt should feel firm when plucked — similar to a low guitar string — with no visible sag. Most 3D printer frames include an integrated tensioner; for CNC builds, use an idler pulley with an adjustable mount. Overtightening causes premature bearing wear; undertightening leads to skipped steps and layer shifts.

How much load can this GT2 timing belt handle?

The rubber GT2 belt is suitable for light-duty motion control typical of desktop 3D printers and small CNC machines. The PU steel wire GT2 belt offers higher tensile load capacity due to its steel cord reinforcement, making it better suited for heavier gantry systems. For specific load ratings relevant to your application, please contact us to confirm.

🛒 Select your belt type and length above, then add to cart — ships from our US warehouse.

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