Description

Drill Bit Grouping=Drill Bit
Drill Bit Dimension Type=Fractional Inch
Drill Bit Size=1/4 in
Decimal Equivalent=0.2500
Drill Bit Point Angle=135 Degrees
Drill Bit Material=Cobalt Steel
Drill Bit Finish=Black Oxide
Shank Size=1/4″-28
Flute Length=1 1/8 in
Cutting Direction=Right Hand
Item=Threaded Shank Drill Bit
Application=For aviation
Finish=Black Oxide
Overall Length=2 1/8 in
Material=Cobalt M42
Point Angle=135 Degrees
Fractional Size=1/4″
Depth:Dia. Ratio=4xD
Number of Flutes=2
Standards=NAS 965 Type D
Flute Type=Spiral
Measurement System=Fractional Inch
Finish – Machining=Black Oxide
Spiral Direction=Right Hand
Aircraft Drill=Yes
Drill Bit Point Type=Split Point
Maximum Drilling Depth=1 1/8 in
Primary Material Application=Steel
Shank Type – Machining=Threaded
Primary Material Application ISO Code=P, S
Shank Thread Size=1/4″-28
Web Construction=Split
Material – Machining=Cobalt
Shank Shape=Threaded
Shank Dia.=1/4″-20