Putnam Ball Nose End Mill, Fractional Size: 1/32 IN, Decimal Equivalent: 0.0312 IN, Overall Length: 1-1/2 IN, Cut Length: 3/64 IN, Shank Diameter: 3/16 IN, Straight With Weldon Flats Shank, Number Of Flutes: 2, List Style: 181, High Speed Steel, Bright Finish, Hand Of Spiral Cut: RHS/RHC, Metric Size: 0.79 MM, For Alloy Steel, Tool Steel, Carbon Steel