10% micro grain premium quality carbide end mills. Uncoated, Controlled Cylindrical Land, sharp corner, and center cutting. 3/4" length of cut, 4" overall length. Our tool's correct Radial Rake insures end teeth strength. Engineered  for Aluminum high speed milling applications

Coating: None

Helix Angle: 40° Helix Model: Square End Standard

Quantity: 1 Country/Region of Manufacture: United States Shank Diameter: 1/4in. Flutes: 3-Flute

MPN: AC-250-3-40-01

Cutting Diameter: 1/4in. Brand: RSI

Material: Carbide

Overall Length: 4in. Primary Application(s): 80% Receiver End Type: Single End