General description These 10pcs Taper End Mills are blue coated tungsten carbide end mills designed specifically for SCM PCB engraving machines. They are suitable for processing a variety of materials including circuit boards, molds, plastic, copper, and stainless steel. Technical specifications Material: High quality tungsten steel Shank diameter: 3.175mm Cutting edge diameter: 0.8mm Usage Ideal for milling and cutting applications with high efficiency. Provides clean and neat surfaces on milling grooves, holes, and board edges without burrs. Other information Package includes: 10pcs tungsten carbide milling cutters with different cutting edge diameters.