This heavy-duty screw machine drill bit is made of high speed steel and has a 9/32 inch diameter, 1 3/16 inch long shank. It is for use with cast iron, steel, tool and die steel. This 159 series screw machine length drill bit has a black oxide finish, and has letter measurements. It is non-coolant through with a 2¾ inch length. Plus it has two 1 9/16 inch spiral flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemScrew-Machine Length Drill Bit
Decimal Equivalent0.295
Material - MachiningHigh Speed Steel
Drill Bit Point Angle135 Degrees
Flute TypeSpiral
Flute Length1 9/16 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.9/32 in
Overall Length2 3/4 in
Drill Length ClassScrew Machine Length
Coolant FedNon-Coolant Through
Series159
Drill Diameter Tolerance+0.0000 in/-0.0010 in
Primary Material ApplicationCast Iron, Steel, Tool and Die Steel
List Number159
Drill Bit SizeM
Measurement SystemLetter
Finish - MachiningBlack Oxide
Drill Bit Point TypeSplit Point
Number of Flutes2
Maximum Drilling Depth1 9/16 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1 3/16 in
Depth:Dia. Ratio4xD
Drill Point Length0.0000 in
Drill Bit GroupingIndividual
StandardsNot Rated
Material Grade - MachiningHeavy Duty
Primary Material Application ISO CodeK, P
Country of OriginUnited States
(subject to change)