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=9/16 in
Finish=Black Oxide
Overall Length=1 1/4 in
Cutting Direction=Right Hand
Depth:Dia. Ratio=4xD
Item=Threaded Shank Drill Bit
Application=For aviation
Material=Steel M2
Point Angle=135 Degrees
Wire Size=#21
Standards=NAS 965 Type B
Number of Flutes=2
Flute Type=Spiral
Measurement System=Wire
Web Construction=Split
Primary Material Application ISO Code=K, P
Primary Material Application=Cast Iron, Steel
Shank Type – Machining=Threaded
Maximum Drilling Depth=9/16 in
Aircraft Drill=Yes
Finish – Machining=Black Oxide
Drill Bit Point Type=Split Point
Material – Machining=High Speed Steel
Spiral Direction=Right Hand
Shank Thread Size=1/4″-28
Shank Dia.=1/4″-20
Shank Shape=Threaded