• Taper Pin Size (Number): 4
• Small End Diameter (Decimal Inch): 0.2071
• Reamer Diameter (Decimal Inch): 0.2604
• Flute Type: Helical Flute
• Shank Type: Straight
Designed for machine reaming of taper pin holes, helical flutes reduce chip packing thereby reducing breakage.
• Taper 1/4" per foot
• High Speed Steel
• Straight shank