1/4" Dia, 1/2" LOC, 4" OAL, .015" Corner Radius M.A. Ford Corner Radius End Mill, manufacturer part number 13825011NR.015.
Specifications: Cutting Diameter: 1/4 in (0.2500 in); Length of Cut: 1/2 in; Overall Length: 4.0000 in; Corner Radius: 0.0150 in; Shank Diameter: 1/4 in; Number of Flutes: 3; Helix Angle: 36 degrees; Shank Type: Straight; Neck Length: 3/4 in; End Type: Corner Radius.
Material: Solid Carbide. Coating/Finish: Uncoated. Series: TuffCut X-AL. Unit of measure: Inch.