This high-performance extra long drill bit is made of high speed steel and has a 27/64 inch diameter, 8 1/16 inch long shank. It is for use with cast iron and steel. This extra long drill bit has a black oxide finish, and has fractional inch measurements. It is non-coolant through with a 12 inch length. Plus it has two 3 15/16 inch spiral flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemExtra Long Drill Bit
Decimal Equivalent0.4219
Material - MachiningHigh Speed Steel
Drill Bit Point Angle135 Degrees
Flute TypeSpiral
Flute Length3 15/16 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.27/64 in
Overall Length12 in
Drill Length ClassExtra Long
Coolant FedNon-Coolant Through
Drill Diameter Tolerance+0.0000 in/-0.0010 in
Primary Material ApplicationCast Iron, Steel
List Number912
Drill Bit Size27/64 in
Measurement SystemFractional Inch
Finish - MachiningBlack Oxide
Drill Bit Point TypeSplit Point
Number of Flutes2
Maximum Drilling Depth3 15/16 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length8 1/16 in
Depth:Dia. Ratio4xD
Drill Point Length0.0874 in
Drill Bit GroupingIndividual
Material Grade - MachiningHigh Performance
Primary Material Application ISO CodeK, P
Country of OriginUnited States
(subject to change)