Carbide Micrograin 4 Flute Plain Shank Ball Nosed Slot Drills - Regular Series - Inch

Regular Series - 4 Flute - Inch
For maximum strength when milling harder materials where rapid swarf removal is not needed. Four flute milling cutters have one of the strongest tooth structures available in solid cutters. Centre cutting as standard. Manufactured to ANSI Standards.

Inch Tolerances
Diameter: Over 1/16” ~ up to 1/4”. Tolerance: +0.000, -0.002.
Diameter: Over 1/4” ~ up to 1”. Tolerance: +0.000, -0.003.