CNC Milling Cutter Spiral Groove Cutter 4 mm Shank Downcut 4 mm Cutting Diameter 12 mm Cutting Length Router Bit O Flutes Spiral Cutter CNC Milling Cutter for Router Wood Cutter Slot Cutter Wood (4 x

Product description

• This is an O-flute down cut bit, 4mm shank, the purpose of a downcut bit is to deliver the smoothest possible surface cut. You will receive minimal or no surface crack with a downcut bit because the cutter runs down instead of upwards. The down-cut bits leave a clean top edge but a rough bottom edge. In contrast, pre-cut bits usually offer better groove release of waste and a smoother lower cut but a less smooth surface cut. So please choose the right bit based on your project needs
• The design of the single shaft, larger spiral chip space and mirror polishing of the CNC router bit makes non-stick crumbs, smooth cutting and fast chip removal
• DLC COATED SPIRAL GROOVE Router Bit With high hardness and heat resistance, the cutting edge of the tool maintains crucial sharpness and lubricity. This ensures durability and results in cutting results of the highest quality. Clean surface, tidy, no interference.
• This 4 mm single shaft end mill is widely used for CNC engraving, milling, roughing, hollowing, 3D sculpting purposes. Ideal for carving cutting engraving milling sloting sculpting in materials such as MDF, ABS, PVC, acrylic, nylon, resin, plastics, density board, wood, plywood, hardwood, etc.
• This o-shaft end mill 4 mm shaft ground and polished with high precision, high abrasion resistance and temperature resistance, good rigidity, not easy to break