EnPoint 12mm End Mill, Single Flute End Mill Carbide Milling Cutter 3.175mm 1/8inch Shank 12mm Flute Length 3.175mm Cut Dia Acrylic Spiral Milling Cutter for Acrylic PVC MDF Color Plates Produced from a premium ultra fine submicron grade solid carbide for maximum tool strength and durability With a unique mirror grinding processing for cutting edge produces an excellent surface finish Large single flute for maximum chip clearance space for chip evacuation; center cutting for straight plunging or ramping down into the workpiece The spiral cutting egde provides sharp cutting and improves work efficiency It is mainly used for the engraving and cutting of Aluminum, Acrylic, Medium Density Fiberboard, Corlor Plates and PVC etc.