Description

Drill Bit Grouping=Drill Bit
Item=Screw Machine 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=High Speed Steel
Drill Bit Finish=Black Oxide
Shank Type=Straight
Flute Type=Spiral
List Number=159
Shank Dia.=1/4 in
Application=For Alloy, Carbon And Tool Steels And Cast Iron
Overall Length=2 1/2 in
Sizes Included=1/4″
Depth:Dia. Ratio=4xD
Flute Length=1 3/8 in
Grade=Heavy Duty
Point Type=Split point
Cutting Direction=Right Hand
Standards=Not Rated
Depth x Dia. Ratio=4xD
Shank Size=0.25
Number of Flutes=2
Drill Style=Screw Machine Drill
Shank Length=1 1/8 in
Material=HSS
Point Angle=135
Left/Right Hand=Right
Measurement System=Fractional Inch
Diameter=0.25
Series=159
Material Grade – Machining=Heavy Duty
Drill Point Length=0.0518 in
Spiral Direction=Right Hand
Primary Material Application=Cast Iron, Steel, Tool and Die Steel
Drill Length Class=Screw Machine Length
Shank Type – Machining=Straight
Finish – Machining=Black Oxide
Primary Material Application ISO Code=K, P
Maximum Drilling Depth=1 3/8 in
Helix Angle=28 Degrees
Material – Machining=High Speed Steel
Drill Bit Point Type=Split Point
Drill Diameter Tolerance=+0.0000 in /-0.0007 in