I. Introduction A drill that operates in ordinary steel may skate, overheat, or turn dull as soon as it encounters hardened steel. Choosing the correct bit depends on more than whether it contains cobalt or carbide. You need to match its material, coating, geometry, and construction to the real HRC, […]

I. Introduction Knowing which insert has more edges doesn’t cut it when choosing between CNMG and WNMG inserts. If you pick the wrong choice, the roughing corners may chip, you may not be able to use all capabilities of the insert, or you may require a different toolholder. This article

I. Introduction When you see two drill bits labelled “carbide” and “tungsten carbide” the terms don’t tell you which one is harder, tougher or better for your job. If the setup is not stable the steel may wear out fast or chip before it should, if you go by the

I. Introduction The choice between a bull nose and ball nose end mill can directly impact your cycle time, surface polish, tool life and the ability of the cutter to reach every radius on the part. Using the wrong profile can leave behind surplus stock, noticeable scallops or an inaccurate