Niagara - End Mills - Cobalt

Multi Flutes 30° Helix, M42 8% Cobalt Steel Single-End Mill
Fine-Pitch Roughing End-Mill, Non-Center-Cutting

Multi Flutes 30° Helix, M42 8% Cobalt Steel Single-End Mill
Coarse-Pitch Roughing End-Mill, Non-Center-Cutting