GENUINE INSERTS 1 PCS
HP E90AN-D.38-1-W.38-7Carbide is more expensive per unit than
other typical tool materials, and it is more brittle, making it
susceptible to chipping and breaking. To offset these problems, the
carbide cutting tip itself is often in the form of a small insert for a
larger tipped tool whose shank is made of another material, usually
carbon tool steel. This gives the benefit of using carbide at the
cutting interface without the high cost and brittleness of making the
entire tool out of carbide. Most modern face mills use carbide inserts,
as well as many lathe tools and endmills. In recent decades, though,
solid-carbide endmills have also become more commonly used, wherever the
application's characteristics make the pros (such as shorter cycle
times) outweigh the con