1/4" Dia, 1-1/2" LOC, 6" OAL Fullerton Ball End Mill, manufacturer part number 32557.
Specifications: Cutting Diameter: 1/4 in (0.2500 in, 6.35 mm); Length of Cut: 1-1/2 in (1.5000 in, 38.10 mm); Overall Length: 6 in (6.0000 in, 152.40 mm); Shank Diameter: 1/4 in (0.2500 in, 6.35 mm); Number of Flutes: 4; Helix Angle: 30 degrees; Double Ended: No; Coolant Option: External Coolant; End Type: Ball; Hand Direction: Right; Helix Direction: Right; Length Type: Extra Long.
Coating/Finish: Uncoated. Unit of measure: Inch.