Description
Product Overview
The YIYIBYUS DP12/DP20 involute gear cutters are engineered for precision and durability in industrial gear cutting applications. This set includes 8 pieces, available in either DP12 or DP20 models, each featuring a 14.5° pressure angle for accurate involute gear profiles. Crafted from high-quality high-speed steel, these cutters resist wear and maintain sharpness through extended use. Key specifications include an outer diameter of 47mm, inner bore of 22mm, and compact dimensions (DP20: 4.7x2x0.1cm, DP12: 4.7x2x0.5cm), with a lightweight design of 120g per cutter. Standard specifications ensure compatibility with various gear systems, making them a reliable choice for mechanical workshops and manufacturing environments.

Usage
These involute gear cutters are designed for industrial and scientific settings, such as machine shops, automotive repair facilities, and manufacturing plants. They are ideal for creating or repairing gears in machinery, automotive transmissions, and precision instruments. The target audience includes mechanical engineers, machinists, and DIY enthusiasts working on gear systems that require standard involute profiles. Use them with compatible gear cutting machines to achieve smooth, efficient cuts in materials like steel, aluminum, and plastics, ensuring minimal downtime and enhanced productivity.
Why Choose Us
YIYIBYUS gear cutters stand out due to their high-speed steel construction, which offers superior hardness and heat resistance compared to ordinary tools. The precise 14.5° pressure angle ensures consistent gear teeth formation, reducing errors and improving fit. Each cutter undergoes rigorous quality checks to meet industrial standards, providing long-term reliability and reducing replacement frequency. Additionally, the set’s versatility with DP12 and DP20 models allows users to select the right tool for specific pitch requirements, offering flexibility without compromising on performance or durability.
Key Features
- High-speed steel material for enhanced durability and sharpness retention
- 14.5° pressure angle design ensures precise involute gear profiles
- Set of 8 pieces covering DP12 and DP20 models for versatile applications
- Standard specifications guarantee compatibility with industry gear systems
- Lightweight and compact for easy handling and storage in workshops
FAQ
What materials are these gear cutters suitable for?
These cutters are designed for metals like steel and aluminum, as well as plastics, making them versatile for various industrial gear cutting tasks.
How do I choose between DP12 and DP20 models?
Select based on the diametral pitch needed for your gear project; DP12 is for finer pitches, while DP20 suits coarser pitches, with each set containing 8 pieces of one model.
Are these cutters compatible with standard gear cutting machines?
Yes, they feature a 22mm inner bore and standard involute specifications, ensuring fit with most industrial gear cutting equipment.
What is the advantage of the 14.5° pressure angle?
This angle provides smoother gear engagement and reduced noise, ideal for precision applications in machinery and automotive systems.
How do I maintain these cutters for long life?
Clean after use, store in a dry environment, and avoid overheating during operation to preserve the high-speed steel’s sharpness and integrity.





YIYIBYUS DP12 DP20 Involute Gear Cutters High Speed Steel
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