Description

Drill Bit Grouping=Drill Bit
Item=Screw Machine Drill Bit
Drill Bit Dimension Type=Fractional Inch
Drill Bit Size=25/64 in
Decimal Equivalent=0.3906
Drill Bit Point Angle=135 Degrees
Drill Bit Material=High Speed Steel
Drill Bit Finish=Black Oxide
Shank Type=Straight
Flute Type=Spiral
Depth:Dia. Ratio=4xD
Application=For Alloy, Carbon And Tool Steels And Cast Iron
List Number=159
Sizes Included=25/64″
Overall Length=3 1/4 in
Grade=Heavy Duty
Shank Dia.=25/64 in
Flute Length=1 7/8 in
Point Type=Split point
Depth x Dia. Ratio=4xD
Shank Size=0.3906
Number of Flutes=2
Standards=Not Rated
Cutting Direction=Right Hand
Shank Length=1 3/8 in
Drill Style=Screw Machine Drill
Point Angle=135
Measurement System=Fractional Inch
Left/Right Hand=Right
Diameter=0.390625
Material=HSS
Series=159
Material Grade – Machining=Heavy Duty
Drill Bit Point Type=Split Point
Drill Diameter Tolerance=+0.0000 in /-0.0010 in
Maximum Drilling Depth=1 7/8 in
Drill Length Class=Screw Machine Length
Spiral Direction=Right Hand
Drill Point Length=0.0809 in
Shank Type – Machining=Straight
Finish – Machining=Black Oxide
Primary Material Application=Cast Iron, Steel, Tool and Die Steel
Primary Material Application ISO Code=K, P
Material – Machining=High Speed Steel
Helix Angle=28 Degrees