Enhance the precision and efficiency of your machining projects with this high-quality ER20 Collet Chuck Holder, designed for reliable spindle motor shaft clamping. Crafted from premium materials, this collet block features exceptional strength and hardness, ensuring a durable and robust structure that withstands rigorous use. Its spiral linear thread design allows for convenient clamping and faster tool replacement while providing a strong clamping force for secure tool holding. Key Features: · Premium Material Construction: Built with high-strength and high-hardness materials to guarantee durability and long-lasting performance in demanding machining environments. · High-Quality ER20 Collet Block: Engineered specifically for spindle motor shaft clamping, offering precise and stable tool holding. · Spiral Linear Thread Design: Facilitates easier and quicker clamping and replacement of tools, enhancing workflow efficiency. · Smooth Surface Finish: Polished surface free from scratches ensures stable performance and reduces wear on tools. · Versatile Compatibility: Suitable for use with lathes, drilling machines, milling machines, and boring machines. Compatible with various tool types including taps, drills, and milling cutters for broad application. Specifications: · Model: C25-ER20-50L · Nut Type: ER20A · Body Length: 60mm · Axle Hole Options: 6mm, 8mm, 10mm, 12mm, 16mm (optional) Package Includes: · 1 x Collet Chuck Holder This ER20 Collet Chuck Holder combines strength, precision, and versatility, making it an essential accessory for machinists seeking reliable and efficient tool clamping solutions. Its durable construction and user-friendly design ensure stable performance across various machining applications, providing excellent value for both professional and hobbyist use.