High-Precision Tungsten Steel: Crafted from premium tungsten steel, this reamer ensures exceptional durability and longevity, making it ideal for high-volume production environments. Efficient Spiral Flute devise: The innovative spiral flute devise enhances chip removal efficiency and provides a smoother finish on the workpiece, resulting in a more precise and polished hole. Negative Rake Angle for Stability: Features a negative rake angle that balances cutting edge sharpness and tool strength, allowing for stable cutting and reduced wear during operations. Versatile Shank Size: With a straight shank diameter ranging from 2-10mm, this reamer easily connects to machine tool spindles, ensuring high concentricity and compatibility with various equipment. Extended Tool Life: Compared to standard reamers, this tool's life is extended by 2-3 times, significantly reducing machine downtime and lowering production costs in automotive and mould manufacturing applications., Manufacturer: AANNAA