BN 45 are solid carbide end mills that applications for general machining with flexible, speed and cost efficiency. For materials between 36 HRC to 52 HRC. BN 45 is a wide range of carbide end mills, ballnose end mills and long neck miniature mills. 2 flute high positive rake design for high performance milling to increase metal removal rates for Aluminium machining. It includes such as ball-nose end mills and long neck miniature mills.