Genmitsu 7pcs 3-Flute Square End Mill for Aluminum Applications, Nano Blue Coat CNC Router Bits, High Feed U-Type Design, for Roughing and Finishing, 4mm Shank, SN07A

High Quality: The Genmitsu end mills are made of Tungsten Carbide Steel and 0.2um ultra-fine 0.2μm tungsten carbide steel alloy that can keep continuous machining 800 minutes. Moreover, its Nano Blue Coating provides high hardness and heat resistance enabling the tool's cutting edge to retain crucial sharpness and lubricity. This provides longevity and produces cutting results of the highest quality. Cost-Effective: Coming with 7pcs of the 3-flute square end mills, Shank Diameter: 4mm, Cutting Diameter: 1/1.5/2/2.5/3/3.5/4mm, Cutting Length: 4/4/5/6/8/10/12mm, Overall Length: 50mm. Versatile: Surface finishes are greatly improved no matter if you are roughing or finishing due to effective chip removal; Cut faster thanks to superior Material Removal Rate (MRR) especially when slotting. Applicable Materials: High feed U-type design makes these cutters ideal for working with aluminum and copper alloy; Attain excellent production rates thanks to the strong tooth with double relief angles. Wide Compatibility: Genmitsu SN07A Square End Mills are compatible with most desktop CNC machines, such as the Genmitsu 3018 Series, as well as other industrial CNC machines. Just make sure you select the correct-sized collet for your device.