A.B. Tools ACH10MM

End Mill Holders & Adapters; Shank Type: Straight ; Shank Diameter (Inch): 3/4 ; Overall Length (Inch): 4-1/2 ; Taper Size: 30 Taper ; Hole Diameter (Decimal Inch): 0.3937 ; Nose Diameter (Decimal Inch – 4 Decimals): 0.5270