• Taper Pin Size (Number): 4
• Small End Diameter (Decimal Inch): 0.2071
• Reamer Diameter (Decimal Inch): 0.2604
• Flute Type: Straight Flute
• Shank Type: Straight
Used to ream holes into which standard taper pins will fit. • Taper 1/4" per foot • High Speed Steel • Ideally used in the attachment of gears, pulleys to shafts • Intended for hand reaming • Recommended that the drilled hole be a few thousandths smaller than the small diameter of the finished reamed hole • Straight shank • Right hand cut