High feed mills!
What are they, what makes them unique, and where do they shine? It all started with the Tormach DIJET Modular Insert High Feed mill on the 440. If you haven’t already, you may want to consider adding high feed mills to your toolbox. Let’s test a solid carbide .240 diameter high feed mill from Lakeshore Carbide on 4140 steel! Will it be a viable and reliable option for slotting?