The End Mill Buyer's Guide: How to Choose the Right Tool for Any CNC Operation
Fig. 1 A picture of a 4-flute, Ball Nose End Mill Pick the wrong end mill, and you’ll know it fast. The cut sounds off. Chips build up. Corners fray. Maybe the tool snaps before you even finish the pass. In machining, small choices lead to big consequences. And your choice of tool—especially in materials like aluminum, stainless, or plastic—is one of the biggest. Take a simple job: slotting an aluminum plate on a 3-axis mill. Use the wrong flute geometry; you’ll get chip packing, heat buildup, and a r......
Jun 24,2025