456-433-5 || 5/16 Diameter, PowerN HY5 Pro+ Corner Radius Endmills
- HY5 Ultra corner radius endmills featuring a 5-flute design with a 45° helix and advanced nano coatings
- Engineered for high-efficiency finishing and light roughing in steel, stainless steel, and alloy materials
- Corner radius geometry improves edge strength while delivering excellent surface finish
- Advanced nano coatings enhance heat resistance, wear protection, and overall tool life
- Proudly made in the USA from solid carbide using the A-Gr-SiV Premium Carbide Blend (Active Grain Sized Volume)
Mastercut Tool Corp. (c) 2026