This threaded shank drill bit is made of high speed steel and has a ¼"-28 shank. It is designed for use with cast iron, steel, and meets the standards for NAS 965 Type B. This threaded shank drill bit has a black oxide finish, and has wire measurements. It has a 2⅛ inch length. Plus it has two ⅞ inch spiral flutes, threaded, right hand cutting direction, and a 135 Degrees split point.
Technical Specs
ItemThreaded Shank Drill Bit
Shank Thread Size1/4"-28
Measurement SystemWire
Drill Bit Point Angle135 Degrees
Drill Bit Point TypeSplit Point
Number of Flutes2
Maximum Drilling Depth7/8 in
Spiral DirectionRight Hand
Depth:Dia. Ratio4xD
Shank Type - MachiningThreaded
StandardsNAS 965 Type B
Primary Material ApplicationCast Iron, Steel
Material - MachiningHigh Speed Steel
Finish - MachiningBlack Oxide
Drill Bit Size#40
Decimal Equivalent0.098
Flute TypeSpiral
Flute Length7/8 in
Cutting DirectionRight Hand
Overall Length2 1/8 in
Drill Bit GroupingIndividual
Aircraft DrillYes
Web ConstructionSplit
Primary Material Application ISO CodeK, P
Country of OriginUnited States
(subject to change)