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When a slipping or worn drive belt causes positioning errors, missed steps, or unexpected downtime on your CNC router, conveyor, or automation rig, the fix starts with the right replacement. This HTD3M timing belt is built for engineers, machine builders, and serious DIYers who need a synchronous drive solution they can count on — without sourcing from overseas with weeks of lead time.
Each belt features a polyurethane body reinforced with a steel wire tension cord, delivering dimensional stability under load. The width is 30mm, and perimeter options span 3000mm (≈118.1") to 3597mm (≈141.6"), available in 1 pcs or 2 pcs packing quantities. The HTD3M tooth profile uses a 3mm pitch curvilinear tooth form for positive engagement with matching HTD3M pulleys.
Typical use cases include light industrial conveyor drives, CNC axis drives requiring HTD3M synchronous belts, automated packaging equipment, and custom machine builds where a 30mm wide HTD3M open-loop or closed-loop belt is specified. The steel wire core makes this a dependable choice for applications where belt stretch would compromise repeatability.
| Belt Profile | HTD3M (3mm pitch, curvilinear tooth) |
|---|---|
| Width | 30mm (≈1.18") |
| Perimeter Range | 3000mm (≈118.1") – 3597mm (≈141.6") |
| Pitch | 3mm center-to-center tooth spacing |
| Body Material | Polyurethane (PU) |
| Tension Member | Steel wire cord |
| Tooth Form | Curvilinear (HTD — High Torque Drive) |
| Packing Quantity | 1 pcs or 2 pcs (select above) |
| Compatible Pulley | HTD3M pulleys only |
| Typical Applications | CNC drives, conveyors, automation equipment |
| Operating Temperature | See variant options / Contact us to confirm |
| Color/Finish | See variant options |
Measure the center-to-center distance between your drive and driven pulleys, then calculate the full belt path length. For HTD3M belts, the perimeter is measured in millimeters. As a reference: 3000mm ≈ 118.1", 3300mm ≈ 129.9", 3597mm ≈ 141.6". Always verify against your machine's specification sheet or the markings on your existing belt before ordering. If your exact size isn't listed, contact us — we may be able to source it.
Load capacity depends on operating speed, pulley diameter, wrap angle, and application duty cycle. Generally, a 30mm wide HTD3M belt with a steel wire core can handle moderate to high torque in light industrial and automation applications. For precise load ratings, consult your drive system's engineering specifications or contact us with your application details.
Polyurethane timing belts typically offer good resistance to oils, mild chemicals, and moderate moisture exposure. However, prolonged UV exposure or immersion in water may reduce service life. For outdoor installations, additional shielding is generally recommended. Contact us to confirm suitability for your specific environment.
This belt uses the HTD3M tooth profile — 3mm pitch with a curvilinear (rounded) tooth form. It is compatible with HTD3M pulleys only. It is not interchangeable with GT2, MXL, XL, L, or other pitch standards. Check your pulley markings or datasheet to confirm the profile before ordering.
HTD3M belts are commonly used in light CNC routers, conveyor systems, and automation equipment. For most 3D printers, GT2 or 2GT profiles are more typical. If your CNC machine specifies HTD3M pulleys, this belt is generally a suitable match. Verify your machine's pulley profile before purchasing.
The packing quantity option lets you choose 1 belt or 2 belts of the same perimeter and width in a single order. The 2 pcs option is useful for dual-axis machines, paired drive systems, or keeping a spare on hand. Both options ship from our US warehouse.
This belt uses the HTD3M profile: 3mm pitch with a curvilinear tooth form. The "3M" designation means 3mm center-to-center tooth spacing. The curvilinear profile provides higher torque capacity compared to trapezoidal tooth belts of similar pitch, making it a common choice for synchronous drive applications requiring reliable power transmission.
Ships within 48 hours · Estimated delivery Jul 1 - Jul 6
US$40
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