Solid Carbide Spiral 6 Flute CNC Machine Hole Reamer for Metal. Wide Material Compatibility: Suitable for copper, cast iron, carbon steel, mould steel, stainless steel, titanium alloy, and heat-treated steel. Advanced Coating Options: Available with AlTiN, TiAlN, TiAISI, TiSiN, TiN, DLC, Nano, and Diamond coatings for enhanced performance. High Hardness Range: Designed for materials with hardness ranging from HRC45 to HRC65. Heat-Resistant HELICA Coating: Enables high-speed processing with highly heat-resistant HELICA coating technology. Customizable Dimensions: Flute diameter 0.3-40mm, Shank diameter 4-40mm, and Overall Length 38-330mm available. High Precision Tolerance: Precision level available from 0.005mm to 0.01mm for accurate machining. Smooth Flute Design: Smooth and wide flute design ensures easy removal of cuttings and improved efficiency. OEM and ODM Services: Accepts OEM and ODM orders with full customization options from samples or designs.