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When your machine demands synchronized motion on both sides of the drive loop — and a single-sided belt just won't cut it — engineers and makers reach for a D5M double-sided timing belt. Whether you're building a high-speed CNC router, a serpentine conveyor, or a dual-axis 3D printer, belt slippage and misalignment cost you accuracy and downtime. This closed-loop D5M double-sided timing belt delivers positive engagement on both the inner and outer tooth surfaces, so every revolution stays in sync.
Each belt is a single closed-loop unit with teeth on both faces, manufactured to the standard 5mm metric pitch (D5M profile). Available in three widths — 15mm (≈0.59"), 20mm (≈0.79"), and 25mm (≈0.98") — and in pitch circumferences ranging from 500mm (≈19.7") up to 2250mm (≈88.6"), with tooth counts from 100T to 450T. The belt body is typically constructed from neoprene or EPDM rubber with a fiberglass or steel tension cord core for dimensional stability under load.
Typical use cases include CNC router X/Y axis drives requiring reverse-side pulley engagement, serpentine conveyor belt systems in packaging and food processing lines, and dual-drive 3D printer gantry setups where both the top and bottom of the belt must engage drive pulleys simultaneously. The 5mm pitch also makes this belt a direct replacement for worn D5M belts in industrial automation equipment.
| Belt Profile | D5M (Double-Sided, 5mm Pitch, Trapezoidal Tooth) |
|---|---|
| Pitch | 5mm (0.197") |
| Available Widths | 15mm (≈0.59"), 20mm (≈0.79"), 25mm (≈0.98") |
| Pitch Circumference Range | 500mm (≈19.7") – 2250mm (≈88.6") |
| Tooth Count Range | 100T – 450T (varies by model) |
| Belt Color | Black |
| Body Material | Neoprene or EPDM rubber (typically) |
| Tension Member | Fiberglass or steel cord (typically) |
| Tooth Form | Trapezoidal (standard 5M metric) |
| Drive Type | Double-sided (teeth on both faces) |
| Loop Type | Closed loop (seamless) |
| Compatible Pulleys | Standard 5M-profile timing pulleys |
| Load Rating | See variant options (varies by width and teeth in mesh) |
| Operating Temperature | Contact us to confirm |
The model number encodes the pitch circumference in millimeters — for example, D5M800 has an 800mm pitch circumference (≈31.5"). Measure the center-to-center distance between your pulleys, calculate the required loop length, then select the nearest available model. For width, match the belt width to your pulley groove width — 15mm, 20mm, or 25mm options are available. When in doubt, go one size wider for additional load capacity.
A double-sided (DS) timing belt has teeth on both the inner and outer surfaces. This allows it to drive pulleys on both sides simultaneously, making it ideal for serpentine drive systems, reverse-direction drives, and multi-axis CNC or conveyor setups where a single-sided belt would require additional idler pulleys.
The D5M belt has a 5mm tooth pitch (distance between tooth centers). This is a standard metric pitch compatible with any 5M-profile pulley or sprocket. Always verify that the pulley groove width matches your selected belt width (15mm, 20mm, or 25mm) to ensure proper tracking and engagement.
D5M timing belts are generally made from neoprene or EPDM rubber with fiberglass or steel cord reinforcement, which provides moderate resistance to moisture, oil mist, and temperature variation. For prolonged outdoor exposure or fully submerged use, contact us to confirm the specific rubber compound before ordering.
Load capacity depends on belt width and the number of teeth in mesh with the pulley. Wider belts (25mm) typically carry significantly more torque than narrower ones (15mm). In most cases, increasing belt width is the most straightforward way to increase load capacity. For precise torque ratings, refer to your pulley manufacturer's specifications or contact us to confirm suitability for your application.
Divide the millimeter circumference by 25.4 to get inches. For example: D5M500 = 500 ÷ 25.4 ≈ 19.7"; D5M1000 = 1000 ÷ 25.4 ≈ 39.4"; D5M2000 = 2000 ÷ 25.4 ≈ 78.7". This is the pitch circumference, not the overall outer circumference.
D5M double-sided timing belts are commonly used in CNC routers, laser cutters, 3D printers with dual-drive axes, conveyor systems, packaging machinery, and any application requiring synchronized power transmission on both sides of the belt. The double-sided design is particularly useful in serpentine drive layouts where the belt wraps around multiple pulleys in alternating directions.
Ships within 48 hours · Estimated delivery Jul 2 - Jul 7
US$40
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