Description

Drill Bit Grouping=Drill Bit
Drill Bit Dimension Type=Wire
Drill Bit Size=#21
Decimal Equivalent=0.1590
Drill Bit Point Angle=135 Degrees
Drill Bit Material=High Speed Steel
Drill Bit Finish=Black Oxide
Shank Size=1/4″-28
Flute Length=1 1/8 in
Overall Length=2 1/8 in
Finish=Black Oxide
Application=For aviation
Item=Threaded Shank Drill Bit
Cutting Direction=Right Hand
Material=Steel M2
Wire Size=#21
Point Angle=135 Degrees
Depth:Dia. Ratio=4xD
Flute Type=Spiral
Number of Flutes=2
Standards=NAS 965 Type B
Shank Type – Machining=Threaded
Material – Machining=High Speed Steel
Shank Thread Size=1/4″-28
Drill Bit Point Type=Split Point
Finish – Machining=Black Oxide
Maximum Drilling Depth=1 1/8 in
Spiral Direction=Right Hand
Measurement System=Wire
Primary Material Application ISO Code=K, P
Primary Material Application=Cast Iron, Steel
Web Construction=Split
Aircraft Drill=Yes
Shank Shape=Threaded
Shank Dia.=1/4″-20