htd pulley stock

HTD Pulley Stock

HTD Pulley Stock

What is an HTD Pulley?

HTD pulleys are a key component in synchronous belt drive systems. HTD stands for High Torque Drive, and these pulleys are specifically designed to transmit more power and higher torque than traditional pulleys.

HTD pulley

Enhanced Torque Transmission

HTD pulleys are engineered to maximize torque transmission, making them ideal for high-power applications. The unique tooth profile of HTD pulleys ensures a more secure grip on the belt, reducing the chances of slippage.

Precision Design

The design of HTD pulleys incorporates precise measurements and materials to ensure optimal performance. The tooth profile is meticulously crafted to fit seamlessly with HTD belts, providing efficient power transfer.


HTD pulleys are made from durable materials such as steel or aluminum, ensuring long-lasting performance even under demanding conditions. Their robust construction makes them suitable for industrial applications.

Reduced Maintenance

The efficient design of HTD pulleys reduces wear and tear on the belt, leading to lower maintenance requirements. This makes HTD pulley systems more cost-effective over time.


HTD pulleys can be used in a wide range of applications, from automotive to industrial machinery. Their versatility makes them a popular choice for various power transmission needs.

What is the Minimum Pulley Size for HTD 5M?

When it comes to HTD 5M pulleys, the minimum size is crucial for ensuring efficient power transmission and the longevity of the belt.

HTD pulley

Diameter Considerations

The minimum pulley diameter for HTD 5M is generally around 18 teeth, which translates to approximately 28.65mm in pitch diameter. Using a smaller pulley can lead to excessive bending stress on the belt, reducing its lifespan.

Belt Compatibility

Ensuring that the pulley size is compatible with the belt is essential. A pulley that is too small may not adequately engage the belt¡¯s teeth, leading to slippage and inefficient power transfer.

Load Requirements

The minimum pulley size must also consider the load requirements of the application. Smaller pulleys are generally used for lighter loads, while larger pulleys are better suited for heavy-duty applications.

Speed Considerations

Smaller pulleys can lead to increased belt speed, which may influence the overall efficiency of the system. Proper sizing ensures that the system operates within optimal speed ranges.

What is the Difference Between GT and HTD Belts?

Understanding the differences between GT and HTD belts can help in selecting the right type for your application.

Tooth Profile

GT belts, or Gates PowerGrip GT belts, have a modified curvilinear tooth profile, while HTD belts have a true trapezoidal tooth profile. This difference affects the meshing and power transmission characteristics of each belt.


GT belts generally offer higher performance in terms of reduced backlash and higher torque capacity compared to HTD belts. This makes them suitable for high-precision applications.

Load Distribution

HTD belts provide better load distribution due to their trapezoidal shape, making them ideal for applications requiring high torque and power transmission.

Noise Levels

GT belts tend to operate more quietly than HTD belts, which can be an important consideration in noise-sensitive environments.

How to Choose or Customize the Right HTD Pulley

Selecting or customizing an HTD pulley requires careful consideration of various parameters and actual conditions.

HTD pulley

Pulley Diameter

The diameter of the pulley must be suitable for the belt and the application’s power transmission requirements. Smaller diameters may lead to higher belt stress, while larger diameters provide better load distribution.


Choosing the right material for the pulley is crucial. Common materials include aluminum for lightweight applications and steel for more heavy-duty requirements. The material must be compatible with the operating environment.

Number of Teeth

The number of teeth on the pulley affects the meshing with the belt and the overall efficiency of power transmission. It is essential to match the number of teeth with the belt specification.

Bore Size

The bore size of the pulley must match the shaft size in the application. Ensuring a proper fit is essential for smooth operation and to prevent any slippage.

Application Requirements

Consider the specific requirements of your application, such as load, speed, and environmental conditions. Customizing the pulley to meet these needs ensures optimal performance and longevity.

HZPT: Your Trusted Partner for High-Quality HTD Pulleys

HZPT specializes in the design, development, and manufacture of high-performance parts, including HTD pulleys. Our products are popular in Europe, South America, and Australia, and we have earned the trust of many customers.

Quality Priority

We prioritize product quality above all else, ensuring that each HTD pulley meets stringent quality standards. This commitment to quality ensures reliable performance in all applications.

Customer-Centric Service

Our customer-centric service policy ensures that we meet all our clients¡¯ needs. We strive to provide unparalleled service and support, making us a trusted partner for your power transmission needs.

Professional Team

Our young, vibrant, and capable team is dedicated to providing professional services to meet any of your requirements. With extensive expertise, we can assist you in selecting the right HTD pulley for your application.

Fast Delivery

One of our key advantages is our ability to deliver products quickly. Our well-stocked warehouse ensures timely distribution of goods, meeting the urgent needs of our clients.

OEM Services

In China, we have a professional factory that develops new products and provides OEM services. This allows us to offer customized solutions tailored to your specific requirements.

We continuously strive to improve our services and offer the highest quality products at competitive prices. We welcome any inquiries or feedback, so please feel free to contact us. Let HZPT be your go-to supplier for all your HTD pulley needs.