Description

Drill Bit Grouping=Drill Bit
Item=Screw Machine Drill Bit
Drill Bit Dimension Type=Fractional Inch
Drill Bit Size=5/16 in
Decimal Equivalent=0.3125
Drill Bit Point Angle=118 Degrees
Drill Bit Material=High Speed Steel
Drill Bit Finish=Bright
Flute Type=Spiral
Flute Length=1 5/8 in
Depth x Dia. Ratio=4xD
Sizes Included=5/16″
List Number=157L
Depth:Dia. Ratio=4xD
Cutting Direction=Left Hand
Shank Dia.=5/16 in
Overall Length=2 13/16 in
Point Type=General Purpose
Number of Flutes=2
Standards=ISO
Series=157L
Drill Point Length=0.0939 in
Drill Length Class=Screw Machine Length
Maximum Drilling Depth=1 5/8 in
Primary Material Application=Aluminum, Brass, Bronze, Composite, Copper, Slate, Steel, Wood
Drill Bit Point Type=Conventional Point
Spiral Direction=Left Hand
Shank Type – Machining=Straight
Material – Machining=High Speed Steel
Drill Diameter Tolerance=+0.0000 in /-0.0010 in
Measurement System=Fractional Inch
Finish – Machining=Bright (Uncoated)
Primary Material Application ISO Code=N, O, P
Shank Length=1 3/16 in
Helix Angle=28 Degrees