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29/64"X 8-3/4" with a 2MT Oil Hole Drill w/ Taper Shank Oil Hole Taper Shank Drills-Coolant Drills
29/64"X 8-3/4" Taper Shank Oil Hole Drills. - .4531 Decimal Equivalent, 4-1/8 Flute Length, 9-1/4 Overall Length.
Taper Shank Oil Hole Drills are twist drills containing a hole that delivers coolant to the edges of the drill bit. Coolant greatly reduces chip packing by flushing chips out of the hole and lowering the heat. Bisco Tool Supply sells Taper Shank Oil Hole Drills perfect for deep hole drilling.
||29/64"X 8-3/4" with a 2MT Oil Hole Drill w/ Taper Shank