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home > HTD3M Timing Belt 3360–3699mm | PU Steel Wire Reinforced | 10mm Width > HTD3M Timing Belt 3360–3699mm | PU Steel Wire Reinforced | 10mm Width

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HTD3M Timing Belt 3360–3699mm | PU Steel Wire Reinforced | 10mm WidthHTD3M Timing Belt 33603699mm Precise Drive for Demanding Motion Systems When a worn or undersized timing belt causes missed steps, positional drift, or unexpected downtime in your CNC router, 3D printer, or automated conveyor, the cost goes beyond the belt itself. Engineers, makers, and machine builders who need a reliable HTD3M timing belt in longer perimeter sizes often struggle to find the exact length without ordering custom cuts. This listing

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HTD3M Timing Belt 3360–3699mm — Precise Drive for Demanding Motion Systems

When a worn or undersized timing belt causes missed steps, positional drift, or unexpected downtime in your CNC router, 3D printer, or automated conveyor, the cost goes beyond the belt itself. Engineers, makers, and machine builders who need a reliable HTD3M timing belt in longer perimeter sizes often struggle to find the exact length without ordering custom cuts. This listing solves that problem with a wide selection of perimeters from 3360mm (≈132.3") to 3699mm (≈145.6") in 3mm increments.

Each belt is a closed-loop polyurethane (PU) HTD3M timing belt with a built-in steel wire tensile cord. The belt is 10mm (≈3/8") wide and follows the standard HTD 3mm pitch tooth profile. Perimeters are available from 3360mm to 3699mm — select your exact size from the variant options above. Sold individually (1 pcs) or as a value twin-pack (2 pcs).

Typical use cases include long-travel gantry systems on CNC plasma tables, large-format 3D printers with extended Z or Y axes, robotic arm drive stages, and automated pick-and-place linear actuators — all applications where a steel wire reinforced HTD3M timing belt delivers the low-stretch, high-repeatability performance that fiberglass-core alternatives often cannot match.

🔗 Compatibility: Designed for HTD 3mm pitch pulleys only. Not compatible with GT2, MXL, T5, or other tooth profiles. Confirm your pulley pitch before ordering.

⚠️ Size tip: Perimeter = number of teeth × 3mm. If your machine spec lists tooth count, multiply by 3 to get the perimeter in mm. When in doubt, contact us to confirm before purchasing.

✅ Key Features of These HTD3M PU Timing Belts

🔩Steel Wire Tensile Core — Built-in steel wire reinforcement delivers lower elongation under load than fiberglass-core HTD3M timing belts, maintaining positioning accuracy in long-travel CNC and 3D printer axes.
📐HTD 3mm Pitch Tooth Profile — Rounded HTD tooth geometry distributes load across multiple teeth, reducing tooth shear risk and enabling smooth, quiet operation at moderate speeds.
🧪Polyurethane (PU) Body — PU construction resists oils, mild solvents, and moisture better than standard rubber belts, making these suitable for light industrial and workshop environments.
📏10mm Belt Width — The 10mm (≈3/8") width balances compact form factor with adequate load capacity for single-axis drives in desktop CNC routers, laser cutters, and automation rigs.
🔄Wide Perimeter Range (3360–3699mm) — Available in 3mm increments across the full HTD3M timing belt perimeter range from 3360mm to 3699mm, covering long-span drive systems that standard short belts cannot reach.
📦Flexible Pack Quantities — Choose 1 pcs for a single-axis replacement or the 2 pcs twin-pack for dual-axis builds or to keep a spare on hand — both options ship from our US warehouse.

📐 Technical Specifications — HTD3M PU Steel Wire Timing Belt

Belt Type	HTD3M (High Torque Drive, 3mm pitch)
Perimeter Range	3360mm (≈132.3") to 3699mm (≈145.6") — see variant options
Belt Width	10mm (≈3/8")
Pitch	3mm
Tooth Profile	HTD (rounded curvilinear)
Body Material	Polyurethane (PU)
Tensile Cord	Steel wire
Belt Form	Closed loop (endless)
Packing Quantity	1 pcs or 2 pcs — select above
Compatible Pulleys	HTD3M pulleys (3mm pitch) only
Operating Temperature	See variant options or contact us to confirm
Color/Finish	See variant options or contact us to confirm

❓ Frequently Asked Questions

How do I choose the right perimeter length for my HTD3M timing belt?

Measure the center-to-center distance between your pulleys, then calculate the full belt path length. For HTD3M belts, the perimeter equals the number of teeth multiplied by 3mm (the pitch). For example, a 3360mm belt has 1,120 teeth. Always verify against your machine's specification sheet. If you're between sizes, generally size up to avoid over-tensioning. You can also use an online belt length calculator by entering pulley diameters and center distance.

What load can an HTD3M PU timing belt typically handle?

HTD3M belts are generally rated for light-to-medium duty applications. The steel wire core reinforcement significantly improves tensile strength compared to fiberglass-core belts. Actual load capacity depends on pulley diameter, speed, number of teeth in mesh, and operating conditions. For precise load ratings, consult your drive system's engineering specifications or contact us.

Can this timing belt be used outdoors or in humid environments?

Polyurethane (PU) timing belts generally offer good resistance to moisture, oils, and mild chemicals compared to rubber belts. However, prolonged exposure to UV radiation or extreme temperatures may affect performance over time. For outdoor or harsh-environment installations, verify the operating temperature range matches your application before purchasing.

What pulley profile is compatible with HTD3M timing belts?

HTD3M belts are designed to run exclusively on HTD pulleys with a 3mm pitch profile. They are not interchangeable with GT2 (2mm pitch), MXL, T5, or other tooth profiles. Always match the belt pitch and tooth profile to your pulley specification. Using a mismatched pulley will cause rapid tooth wear and potential belt failure.

Should I buy 1 pcs or 2 pcs — what's the difference?

The 1 pcs option is ideal for single-axis replacements or prototyping. The 2 pcs twin-pack offers a better per-unit value and is recommended if you're building a dual-axis system (e.g., CoreXY 3D printers), want a spare on hand for maintenance, or are outfitting multiple machines at once. Both options ship from our US warehouse.

How does the steel wire core compare to fiberglass reinforcement?

Steel wire cores typically provide higher tensile strength and lower elongation under load compared to fiberglass cords. This translates to more consistent positioning accuracy in CNC and 3D printing applications where belt stretch can cause dimensional errors or layer shifting. For long-span drives (like those in this 3360–3699mm range), lower stretch is especially important.

What is the width of this belt and does it come in other widths?

This listing is for the 10mm (≈3/8") width variant. Other widths may be available in separate listings on our store. The 10mm width is the most common for desktop CNC, 3D printer, and light automation applications. Check the Width selector above to confirm availability.

🛒 Select your perimeter size and packing quantity above, then add to cart — ships from our US warehouse.

HTD3M Timing Belt 3360–3699mm | PU Steel Wire Reinforced | 10mm Width

Name: HTD3M Timing Belt 3360–3699mm | PU Steel Wire Reinforced | 10mm Width
Brand: auxtoursdunmonde.com
SKU: 64317999699
Price: 31.29 USD
Availability: InStock
Rating: 4.2862 (1062 reviews)