446-010-1 || 5/8 Diameter, PowerA HY5 – Square Endmills
- HY5 square endmills featuring a 5-flute design with a 45° helix for high-efficiency machining
- Ideal for finishing and light roughing in steel, stainless steel, and alloy materials
- Square end geometry delivers precise corners and accurate wall and floor finishes
- 5-flute configuration provides excellent tool stability, reduced vibration, and increased feed capability
- 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