End Mills for Hardened Steels
Material Specific End Mills Material Specific End Mills. With its 7 flute, variable helix design, products within this Harvey Tool selection of End Mills for Hardened Steels Square For Steels 4568Rc are proven to improve material removal rates (MRR) while minimizing chatter and harmonics, resulting in a higher quality final part finish. Designed to mill hardened steels .