Open Timing Belt — 2GT / HTD-3M 5M 8M 14M / S2M S3M S5M S8M | Polyurethane + Steel Wire

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Open Timing Belt — 2GT / HTD-3M 5M 8M 14M / S2M S3M S5M S8M | Polyurethane + Steel Wire

Name: Open Timing Belt — 2GT / HTD-3M 5M 8M 14M / S2M S3M S5M S8M | Polyurethane + Steel Wire
Brand: HomeDIYer
Price: 8.09 USD
Availability: InStock

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By HomeDIYer®

Belt Specification: 2GT

Width: 6mm

Length(Meter): 1M

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$8.09 USD

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In stock (500 units), ready to be shipped

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Open Timing Belt in 2GT, HTD & S-Series — Cut-to-Length Synchronous Drive Belt

When your CNC router stalls mid-cut, your 3D printer loses steps, or your conveyor drive slips under load, the culprit is often a worn or incorrectly sized timing belt. Engineers, makers, and maintenance technicians who need a reliable open timing belt in a specific length and profile no longer have to settle for pre-looped belts or expensive custom orders.

Each belt is an open-end (cut-to-length) synchronous belt constructed from polyurethane with a steel wire tensile cord. Available profiles include 2GT, HTD-3M, HTD-5M, HTD-8M, HTD-14M, S2M, S3M, S5M, and S8M. Widths range from 6mm (≈1/4") to 40mm (≈1-9/16"), and lengths are available in 1M (≈39.4"), 2M (≈78.7"), 3M (≈118.1"), 5M (≈196.9"), and 10M (≈393.7").

Typical use cases include 3D printer axis drives (2GT open timing belt for CoreXY and Cartesian builds), CNC router and laser cutter feed systems (S3M, S5M synchronous belt), and light industrial conveyor and automation drives (HTD-5M, HTD-8M polyurethane timing belt). The open-end format lets you cut to any custom length on-site.

🔗 Compatibility Note: Match the belt profile exactly to your pulley tooth profile. HTD profiles use curvilinear teeth; S-series and 2GT use trapezoidal/modified profiles. Belt width must match or be narrower than your pulley face width.

✅ Key Features of These Open Timing Belts

🔩Steel Wire Tensile Core — Embedded steel wire cords resist elongation under tension, maintaining consistent pitch spacing for accurate positioning in CNC and 3D printer open timing belt applications.
🧪Polyurethane Construction — The polyurethane body offers better oil and abrasion resistance than standard neoprene, extending service life in light industrial and workshop environments.
📐9 Belt Profiles in One Listing — Choose from 2GT, HTD-3M, HTD-5M, HTD-8M, HTD-14M, S2M, S3M, S5M, and S8M synchronous belt profiles to match your existing pulley standard without sourcing from multiple suppliers.
✂️Open-End Cut-to-Length Format — Unlike closed-loop belts, this open timing belt can be trimmed to any custom length on-site, making it ideal for repairs, prototypes, and non-standard drive distances.
📏Wide Width Range (6mm–40mm) — Eight width options let you match the belt to your pulley face width precisely, from compact 6mm (≈1/4") drives to wider 40mm (≈1-9/16") high-torque applications.
🚀Multiple Length Options up to 10M — Stock lengths of 1M, 2M, 3M, 5M, and 10M reduce waste and shipping cost compared to ordering oversized closed belts or custom-cut industrial rolls.

📐 Technical Specifications — Open Timing Belt

Belt Type	Open-end synchronous timing belt (cut-to-length)
Available Profiles	2GT, HTD-3M, HTD-5M, HTD-8M, HTD-14M, S2M, S3M, S5M, S8M
Tooth Profile — 2GT / S-Series	Trapezoidal / modified curvilinear
Tooth Profile — HTD Series	Curvilinear (High Torque Drive)
Belt Material	Polyurethane (PU)
Tensile Cord	Steel wire
Available Widths	6mm (≈1/4"), 10mm (≈3/8"), 15mm (≈19/32"), 20mm (≈25/32"), 25mm (≈1"), 30mm (≈1-3/16"), 35mm (≈1-3/8"), 40mm (≈1-9/16")
Available Lengths	1M (≈39.4"), 2M (≈78.7"), 3M (≈118.1"), 5M (≈196.9"), 10M (≈393.7")
Pitch — 2GT	2mm
Pitch — HTD-3M / S3M	3mm
Pitch — HTD-5M / S5M	5mm
Pitch — HTD-8M / S8M	8mm
Pitch — HTD-14M	14mm
Pitch — S2M	2mm
Operating Temperature	See variant options / Contact us to confirm
Color	See variant options
Compatible Pulley Standard	Match profile to pulley (HTD pulleys for HTD belts; GT/S pulleys for 2GT/S-series)

⚠️ Sizing Tip: Before ordering, confirm your pulley's tooth profile and face width. HTD and S-series profiles are not interchangeable even when pitch numbers match (e.g., HTD-3M ≠ S3M in tooth geometry). When in doubt, measure your existing belt or pulley and contact us.

❓ Frequently Asked Questions

How do I choose the right belt length?

Measure the required center-to-center distance between your pulleys, then calculate the total belt path length. For open (cut-to-length) belts, order slightly more than needed and trim to fit. As a reference: 1M ≈ 39.4", 2M ≈ 78.7", 3M ≈ 118.1", 5M ≈ 196.9", 10M ≈ 393.7". When in doubt, order the next length up.

What load or torque can these belts handle?

Load capacity depends on the belt profile, width, and operating speed. Generally, wider belts and larger-pitch profiles (HTD-8M, HTD-14M) handle higher torque loads. The steel wire tensile core provides good dimensional stability under tension. For specific load calculations, contact us with your application details.

Are these timing belts suitable for outdoor or wet environments?

Polyurethane timing belts generally offer better resistance to oils, mild chemicals, and moisture compared to neoprene. However, prolonged UV exposure or immersion in water is not recommended. For outdoor use, shield the belt from direct sunlight and standing water where possible.

Which pulley standards are compatible with these belts?

Each profile requires a matching pulley tooth standard. HTD-3M, HTD-5M, HTD-8M, and HTD-14M belts require HTD pulleys with curvilinear teeth. The 2GT belt requires GT2 pulleys. S2M, S3M, S5M, and S8M belts require S-series pulleys. Always verify the tooth profile — pitch number alone is not sufficient to confirm compatibility.

How do I select the correct belt width?

Match the belt width to your pulley face width. Wider belts (25mm–40mm) are typically used for higher torque or heavier loads; narrower belts (6mm–10mm) suit compact or lighter-duty drives. The belt width should not exceed the pulley face width, or the belt may track off the pulley.

Can I use this belt for a 3D printer or CNC router?

Yes. The 2GT open timing belt is widely used in 3D printers (CoreXY, Cartesian, and delta builds). S3M and S5M profiles are common in CNC routers and laser cutters. The steel wire core helps maintain pitch accuracy under tension, which is important for positioning repeatability.

What is the difference between HTD and S-series belt profiles?

HTD (High Torque Drive) belts use a fully curvilinear tooth profile designed to distribute load more evenly, making them well-suited for higher-torque applications. S-series belts use a modified curvilinear profile. While pitch numbers may match (e.g., HTD-3M and S3M are both 3mm pitch), the tooth geometry differs — they are generally not interchangeable. Always verify with your pulley specification.

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

Open Timing Belt — 2GT / HTD-3M 5M 8M 14M / S2M S3M S5M S8M | Polyurethane + Steel Wire

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Description

Open Timing Belt in 2GT, HTD & S-Series — Cut-to-Length Synchronous Drive Belt

✅ Key Features of These Open Timing Belts

📐 Technical Specifications — Open Timing Belt

❓ Frequently Asked Questions

Open Timing Belt — 2GT / HTD-3M 5M 8M 14M / S2M S3M S5M S8M | Polyurethane + Steel Wire

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