nose radius

How to Choose the Right Carbide Insert Nose Radius: 0.2, 0.4, 0.8 or 1.2 mm? One of the most overlooked details when choosing a carbide insert is the nose radius. Machinists often focus on insert shape, grade, coating, and chipbreaker. But the last two digits of an insert code can have a major...

One thing I see trip up a lot of guys starting out is pairing the wrong insert nose radius with their depth of cut. You often see recommendations to use a bigger radius for a better finish. But if your depth of cut is lighter than that nose radius, the tool isn't shearing metal anymore—it's...