Type: End Mill Material: tungsten steel Shank diameter: 3.175 mm Cutting edge diameter: 3.175 mm Cutting edge length: 12, 15, 17, or 22 mm Key benefits - Precise and consistent cuts with a cutting edge that matches the shank diameter for predictable machining results - Durable tungsten steel construction provides wear resistance and longer tool life in demanding milling tasks - 3.175 mm shank fits standard tool holders and CNC/milling equipment for easy integration - Flexible depth options with cutting edge lengths of 12/15/17/22 mm support varied pockets, slots, and contouring without changing tools 2-3 practical use scenarios - CNC milling of small pockets and contours requiring a stable, precise cutting edge - Slotting and profiling tasks where exact diameter and consistent performance are important - Prototyping and small-batch machining that benefit from a versatile end mill with multiple length options Notes - Each length option provides a different cutting depth to suit your specific milling application while maintaining the same edge diameter and shank size.