Micro 100, DM-250-490X, 4 Flute 90-Degree Included Point Angle Drill Mill, AlTiN Coated, 1/4" Cutter Diameter, 1/4" Shank Diameter, 3/4" Flute Length, 2.5" Overall Length, Solid Carbide Tool, Multi-purpose Drill Mills for: Drilling, Milling, Spotting, Chamfering, and Countersinking, Made in the USA, MPN:DM-250-490X, PKG QTY: 1 PC