Grade: Carbide with buffed top and rake surface , Low cutting resistance. Reduces adhesion when cutting sticky material like Aluminium. Application: Cutting of Non-ferrous material. Corner R: 0.8mm. Chipbreaker: AK. Efficient chip breaking & good chip flow. Designed for nice finishing processing on Non-ferrous materials like Aluminium,Copper. Buffed (mirror face) top & rake surface, reduces adhesion, long tool life. 10pcs Pack .