Cutting inserts which can be flipped to reveal new cutting edges
Cutting tool inserts can usually be rotated to reveal new cutting edges. Double sided inserts can also be flipped which doubles the numer of cutting edges that can be used before they are finally discarged.
The inserts are available in a variety of shapes and designs for cutting different materials and desired geometries.
See also technical term Cutting tools of Cemented carbide.
Cutting tools of Cemented Carbide
Cutting tool made of cemented carbide powder that is pressed or metal injection molded (MIM) followed by sintering