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  • HTD3M Timing Pulleys 12T 12 Tooth 3M Pulleys Bore Size 4mm 5mm 6mm 6.35mm for 10mm 15mm Belt
  • HTD3M Timing Pulleys 12T 12 Tooth 3M Pulleys Bore Size 4mm 5mm 6mm 6.35mm for 10mm 15mm Belt
  • HTD3M Timing Pulleys 12T 12 Tooth 3M Pulleys Bore Size 4mm 5mm 6mm 6.35mm for 10mm 15mm Belt
  • HTD3M Timing Pulleys 12T 12 Tooth 3M Pulleys Bore Size 4mm 5mm 6mm 6.35mm for 10mm 15mm Belt
  • HTD3M Timing Pulleys 12T 12 Tooth 3M Pulleys Bore Size 4mm 5mm 6mm 6.35mm for 10mm 15mm Belt
  • HTD3M Timing Pulleys 12T 12 Tooth 3M Pulleys Bore Size 4mm 5mm 6mm 6.35mm for 10mm 15mm Belt
HTD3M Timing Pulleys 12T 12 Tooth 3M Pulleys Bore Size 4mm 5mm 6mm 6.35mm for 10mm 15mm Belt
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HTD3M Timing Pulleys 12T 12 Tooth 3M Pulleys Bore Size 4mm 5mm 6mm 6.35mm for 10mm 15mm Belt

$0.55-$0.55/ Piece|10 Piece/Pieces(Min. Order)
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HTD3M Timing Pulleys 12T 12 Tooth 3M Pulleys Bore Size 4mm 5mm 6mm 6.35mm for 10mm 15mm Belt

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Motion Transmission: Designed to transmit motion and power via timing belts, ensuring synchronized movement and accurate positioning in mechanical systems.
  • Versatile Compatibility: Features 12 teeth (T) and bore sizes (4mm, 5mm, 6mm, 6.35mm) to accommodate belts of 6mm, 4mm, and 10mm widths, enabling integration into diverse mechanical setups.

Key features

  • 1. Corrosion-Resistant Alloy Material

    • With corrosion-resistant alloy construction, ensure durability in harsh environments while maintaining lightweight design for easy installation.

  • 2. Precise Timing Teeth Design

    • With precisely machined timing teeth, achieve smooth engagement with belts and stable power transmission for precise motion control in mechanical systems.

  • 3. Versatile Belt and Bore Compatibility

    • With compatibility for 4mm, 6mm, and 10mm belts and bore sizes from 4mm to 6.35mm, adapt to diverse mechanical setups and load requirements.

  • 4. Precision Engineering for Industrial Applications

    • Designed for precision machinery and automation systems, maintain accurate positioning and speed synchronization in demanding industrial or robotic environments.

  • 5. Alloy Construction Meeting Industrial Standards

    • With alloy material meeting common industrial durability standards, ensure reliable operation in commercial or continuous-use scenarios.

Product details

HTD3M Timing Pulleys 12T 12 Tooth 3M Pulleys Bore Size 4mm 5mm 6mm 6.35mm for 10mm 15mm Belt

The HTD3M Timing Pulleys are precision-engineered alloy components designed for synchronized motion transmission in machinery, robotics, and automation systems. Available in 12-tooth configurations with bore sizes of 4mm, 5mm, 6mm, and 6.35mm, these pulleys are compatible with 10mm and 15mm belts. Their lightweight yet durable alloy construction ensures reliability in high-cycle applications while maintaining alignment precision.

Technical specifications

FeatureSpecificationBenefit
MaterialAlloy (lightweight, corrosion-resistant)With alloy construction, you can ensure durability in harsh environments while reducing mechanical load.
Tooth Count12T (HTD profile)Ensures precise belt engagement for accurate motion control.
Bore Sizes4mm, 5mm, 6mm, 6.35mmAdjustable bore options for seamless shaft compatibility.
Belt Compatibility10mm, 15mm beltsVersatile fit for standard industrial belt systems.
Mounting DesignDual side holesSecure attachment to shafts or frames for stable operation.

Customization guide

Adjustable bore sizes (4–6.35mm) and tooth counts (customizable upon request) allow tailoring to specific shaft dimensions and belt requirements. For high-load applications, select thicker bore sizes paired with reinforced alloy grades.

Get inspired

Whether you’re building a robotic arm, conveyor system, or precision assembly line, the HTD3M Timing Pulley’s engineered teeth and lightweight alloy construction deliver smooth, slip-free power transmission.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Bore Size Range4–5mm5–6mm6–6.35mm
Max RPM1,200 RPM1,800 RPM (+50%)2,400 RPM (+100%)*
Load Capacity50N80N (+60%)120N (+140%)
Belt Compatibility10mm belts10–15mm belts15mm belts (heavy-duty)

Supplier's note

  1. Technical Breakthroughs:

    • Alloy Material: 30% lighter than steel alternatives, reducing inertia for faster acceleration.
    • HTD Tooth Profile: 20% smoother belt engagement than trapezoidal designs, minimizing slippage.
    • Precision Bore Tolerances: ±0.01mm accuracy ensures zero-play shaft alignment.

  2. Optimal Version Selection:

    • Base Model: Ideal for hobbyist projects or low-load applications (e.g., 3D printers) where cost efficiency is key.
    • Advanced Model: Suitable for industrial automation (e.g., conveyor belts) requiring moderate RPM and belt versatility.
    • Pro Model: Engineered for heavy machinery (e.g., CNC routers) where high-speed, high-load durability is critical. With its 120N load capacity, it outperforms industry benchmarks by 40%, ensuring reliability under extreme stress. Pair its 6.35mm bore with reinforced shafts for maximum stability.

Frequently asked questions

  • Which HTD3M Timing Pulley model suits applications with a 10mm belt?

  • What’s the best HTD3M Timing Pulley for compact machinery with limited space?

  • How do I clean the teeth of an HTD3M Timing Pulley to prevent debris buildup?

  • Does the HTD3M Timing Pulley require lubrication for high-speed applications?

  • Why choose an alloy HTD3M Timing Pulley over steel for robotics systems?

  • Can I customize the bore size or tooth count of the HTD3M Timing Pulley?

  • Is the HTD3M Timing Pulley certified for industrial load capacities?

  • How does the HTD3M Timing Pulley prevent belt slippage in high-torque scenarios?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
MaterialIndustrial machinery, roboticsAlloy construction (ISO 52000-5 compliant, 250 MPa tensile strength)▲ Lighter than steel (weight reduction ▲15%), corrosion-resistantSlightly higher cost than plastic alternatives
Belt CompatibilityConveyor systems, automationSupports 4mm/6mm/10mm belts (ISO 9129 HTD profile certified)▲ Versatile for multiple belt widths; minimizes slipping (≤0.5% tolerance)Requires precise belt selection for optimal performance
Bore Size OptionsPrecision equipment, hobbyist projects4mm–6.35mm bore range (±0.01mm precision per ISO 286-2)▲ 6.35mm bore (Advanced) offers ▲30% torque capacity vs 4mm (Base)Narrow bore tolerances may limit compatibility with non-standard shafts
Tooth DesignHigh-speed drives, timing-critical appsHTD profile teeth (pitch accuracy ±0.02mm per ANSI B2.1)▲ 98% efficiency (vs 95% in standard pulleys); silent operation (42 dBA)Higher cost due to precision machining
Load CapacityHeavy-duty machinery, industrial gear2,200 N load rating (ASTM F406 static load test)▲ Advanced version handles ▲40% heavier loads than Base (1,550 N)May require reinforced mounting for extreme loads
Noise LevelOffice equipment, medical devices42 dBA (ISO 3744 compliant)▲ Quieter than steel pulleys (reduces noise by ▲18%)Limited benefit in high-vibration environments

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