This screw machine drill bit is made of high speed steel and has a 1/32 inch diameter, ⅞ inch long shank. It is for use with aluminum, brass, bronze, composite, copper, slate, steel, wood. This 157L series screw machine length drill bit has a bright (uncoated) finish, and has wire measurements. It has a 1⅜ inch length. Plus it has two ½ inch spiral flutes, a straight shank, and 118 Degrees conventional point.
Technical Specs
ItemScrew-Machine Length Drill Bit
Decimal Equivalent0.04
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Flute TypeSpiral
Flute Length1/2 in
Helix Angle28 Degrees
Spiral DirectionLeft Hand
Shank Dia.1/32 in
Overall Length1 3/8 in
Drill Length ClassScrew Machine Length
Drill Bit GroupingIndividual
StandardsNot Rated
Primary Material ApplicationAluminum, Brass, Bronze, Composite, Copper, Slate, Steel, Wood
List Number157L
Drill Bit Size#60
Measurement SystemWire
Finish - MachiningBright (Uncoated)
Drill Bit Point TypeConventional Point
Number of Flutes2
Maximum Drilling Depth1/2 in
Cutting DirectionLeft Hand
Shank Type - MachiningStraight
Shank Length7/8 in
Depth:Dia. Ratio4xD
Drill Point Length0.012 in
Series157L
Drill Diameter Tolerance+0.0000 in/-0.0005 in
Primary Material Application ISO CodeK, N, O, P
Country of OriginUnited States
(subject to change)