AlCrN Coated Dynamic Milling Cutter High Efficiency Solid Carbide Wear Resistant Dry Wet Cutting CNC Tool 3mm 4mm 5mm 6mm 8mm 10mm 12mm 16mm. Dynamic Milling Cutter High Efficiency Solid Carbide Tool. Universal for high-speed dynamic side milling applications. Suitable for both high-precision finishing and high-efficiency roughing, delivering excellent performance in both applications. Positive rake angle design combined with AlCrN coating provides outstanding wear resistance, and supports both dry and wet cutting operations. Double chip groove, High helix angle design, unequalspacing teeth, able to perform high efficiency cuttingas well for unstable cutting conditions.