Description

Item=Screw Machine Drill Bit
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=118 Degrees
Drill Bit Material=High Speed Steel
Drill Bit Finish=Bright
Flute Type=Spiral
Depth x Dia. Ratio=4xD
Depth:Dia. Ratio=4xD
Overall Length=2 1/2 in
List Number=157L
Point Type=General Purpose
Shank Dia.=1/4 in
Cutting Direction=Left Hand
Flute Length=1 3/8 in
Sizes Included=1/4″
Number of Flutes=2
Standards=ISO
Series=157L
Material – Machining=High Speed Steel
Primary Material Application ISO Code=N, O, P
Maximum Drilling Depth=1 3/8 in
Shank Length=1 1/8 in
Finish – Machining=Bright (Uncoated)
Drill Diameter Tolerance=+0.0000 in /-0.0007 in
Drill Bit Point Type=Conventional Point
Shank Type – Machining=Straight
Drill Point Length=0.0751 in
Primary Material Application=Aluminum, Brass, Bronze, Composite, Copper, Slate, Steel, Wood
Drill Length Class=Screw Machine Length
Helix Angle=28 Degrees
Measurement System=Fractional Inch
Spiral Direction=Left Hand