This screw machine drill bit is made of high speed steel and has a 5/64 inch diameter, one-inch long shank. It is not rated for any standards. This 157-TN series screw machine length drill bit has a TiN finish, and has fractional inch measurements. It has a 1 11/16 inch length. Plus it has two 11/16 inch spiral flutes, a straight shank, and 118 Degrees conventional point.
Technical Specs
ItemScrew-Machine Length Drill Bit
Decimal Equivalent0.0781
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Flute TypeSpiral
Flute Length11/16 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.5/64 in
Overall Length1 11/16 in
Drill Length ClassScrew Machine Length
Drill Bit GroupingIndividual
StandardsNot Rated
List Number2157
Drill Bit Size5/64 in
Measurement SystemFractional Inch
Finish - MachiningTiN
Drill Bit Point TypeConventional Point
Number of Flutes2
Maximum Drilling Depth11/16 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1 in
Depth:Dia. Ratio4xD
Drill Point Length0.0235 in
Series157-TN
Drill Diameter Tolerance+0.0000 in/-0.0005 in
Country of OriginUnited States
(subject to change)