307-106-1 || 0.4mm Diameter, PowerA Square Mini Mills
- Square mini mills designed for precision machining in diameters under .120"
- Ideal for micro-slotting, profiling, and small-feature finishing applications
- Small-diameter square end geometry delivers accurate walls and sharp corners in tight features
- Engineered for rigidity and edge strength in micro-tool applications
- 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