This M42 screw machine drill bit is made of cobalt and has a ⅛ inch diameter, one-inch long shank. It is designed for use with cast iron, steel, tool and die steel. This 559 series screw machine length drill bit has a straw/bronze finish, and has wire measurements. It has a 1 15/16 inch length. Plus it has two 15/16 inch spiral flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemScrew-Machine Length Drill Bit
Decimal Equivalent0.1285
Material - MachiningCobalt
Drill Bit Point Angle135 Degrees
Flute TypeSpiral
Flute Length15/16 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.1/8 in
Overall Length1 15/16 in
Drill Length ClassScrew Machine Length
Drill Bit GroupingIndividual
StandardsNot Rated
Material Grade - MachiningM42
Primary Material Application ISO CodeK, P
Drill Bit Size#30
Measurement SystemWire
Finish - MachiningStraw/Bronze
Drill Bit Point TypeSplit Point
Number of Flutes2
Maximum Drilling Depth15/16 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1 in
Depth:Dia. Ratio4xD
Drill Point Length0.0266 in
Series559
Drill Diameter Tolerance+0.0000 in/-0.0007 in
Primary Material ApplicationCast Iron, Steel, Tool and Die Steel