General description FLITI 10pcs Taper Carbide End Mills Drill Bits are designed for precision machining in various applications. These tungsten burr blue coated end mills are ideal for processing circuit boards, molds, plastic, copper, stainless steel, and other materials. Technical specifications Material: High-quality tungsten steel Shank diameter: 3.175mm Cutting edge diameter: 0.6mm Quantity: 10 pieces Usage Suitable for CNC machines Provides clean and neat surfaces without burrs on milling grooves, holes, and board edges