M.A. Ford 156M0050N3A 0.50Mm ball nose end mill

Precision micro milling tool

The M.A. Ford 156M0050N3A is a 2 flute ball nose end mill with a 0.50 mm cutting diameter and necked design. It suits machinists producing fine contours in hardened steels or exotic alloys. The TuffCut DM coating supports extended tool life during high speed finishing passes. This cutter is sold new and ships directly from the manufacturer.

Micro diameter cutting constraints

A 0.50 mm diameter limits radial engagement and chip evacuation, so the tool cannot handle heavy roughing or deep slotting in a single pass. Runout and holder rigidity become critical at this scale, and excessive feed rates will cause immediate breakage. The necked profile provides reach but reduces shank support, making vibration control essential. Operators must match spindle speed and feed to the specific workpiece material.

0.50 mm cutting diameter

This single dimension determines whether the cutter fits the required feature size, such as small radius fillets, micro cavities or intricate 3D profiles. If the design calls for a larger radius or higher material removal rate, a different diameter is needed. The 2 flute geometry and necked length are fixed by this diameter, so the tool cannot be adapted to wider cuts or deeper pockets without changing the cutter entirely.