tungsten carbide construction ensures exceptional durability and cutting precision for various machining tasks. Manufactured with HRC55 hardness technology, providing superior wear resistance and significantly extending tool life for cost-effective operations. 6-flute spiral devise enhances chip evacuation efficiency, resulting in smoother machining processes and improved surface finishes. Available in a range of sizes from 3mm to 12mm, catering to diverse machining requirements for both professional and DIY applications. Straight shank devise allows for easy direct connection to machine tool spindles, ensuring high concentricity and stability during operation., Manufacturer: EZWZGBQPS