This number 19 aircraft extension drill bit has a flute length of 2.125 inches, an overall length of six inches, and a diameter of 0.166 inches. This non-coolant through drill bit is made of high-speed steel and has a spiral flute.
Technical Specs
ItemExtra Long Drill Bit
Decimal Equivalent0.166
Material - MachiningHigh Speed Steel
Drill Bit Point Angle135 Degrees
Flute TypeSpiral
Flute Length2 1/8 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.5/32 in
Overall Length6 in
Drill Length ClassExtra Long
Coolant FedNon-Coolant Through
Drill Diameter Tolerance+0.0000 in/-0.0007 in
Primary Material ApplicationAluminum, Brass, Bronze, Copper, Steel
List Number3957-6
Drill Bit Size#19
Measurement SystemWire
Finish - MachiningBright (Uncoated)
Drill Bit Point TypeSplit Point
Number of Flutes2
Maximum Drilling Depth2 1/8 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length3 7/8 in
Depth:Dia. Ratio10xD
Drill Point Length0.0344 in
Drill Bit GroupingIndividual
Material Grade - MachiningHigh Performance
Primary Material Application ISO CodeN, P
Country of OriginUnited States
(subject to change)