This aircraft extension drill bit is made of high speed steel and has a 13/64 inch diameter, 3½ inch long shank. It is for use with steel, and meets ASME standards. This extended length aircraft extension drill bit has a steam oxide finish, and has wire measurements. It is non-coolant through with a six-inch length. Plus it has two 2½ inch spiral flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemDrill Bit
Decimal Equivalent0.2090 in
Material - MachiningHigh Speed Steel
Drill Bit Point Angle135 Degrees
Flute TypeSpiral
Flute Length2 1/2 in
Helix Angle21 Degrees
Spiral DirectionRight Hand
Shank Dia.4 in
Overall Length6 in
Drill Length ClassExtended Length
Coolant FedNon-Coolant Through
StandardsASME B94.11M
Material Grade - MachiningHeavy Duty
Primary Material Application ISO CodeP
Drill Bit Size#4
Measurement SystemImperial
Finish - MachiningSteam Oxide
Drill Bit Point TypeSplit Point
Number of Flutes2
Maximum Drilling Depth53/64 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length3 1/2 in
Depth:Dia. Ratio4xD
Drill Point Length0.0433 in
Drill Bit GroupingIndividual
Drill Diameter Tolerance+0.0000 in/-0.0007 in
Primary Material ApplicationSteel
Country of OriginUnited States
(subject to change)