CNC 90 degree right-angle BAP300R/400R milling cutter head machining center 1604 cutter head non-standard 45 60 65CNC 90 degree right angle BAP300R 400R milling cutter 1. The cutterhead processing strictly adheres to the process of heat treatment and then tapping to avoid the deformation problem caused by post heat treatment, and the blade and blade achieve seamless fit, high precision and no bullet knife 2. 42CrMoTi alloy steel, quenched and hardened, durable, the surface has been polished, has good acid resistance, and effectively prevents rust