This general purpose taper shank drill bit is made of high speed steel. It is for use with cast iron, steel, tool and die steel, and meets the standards for American National Standard (Morse). This taper shank drill bit has a black oxide finish, and has fractional inch measurements. It is non-coolant through with a 8 ¼ inch length. Plus it has two 4⅜ inch spiral flutes, taper shank, and 118 Degrees conventional point.
Technical Specs
ItemTaper Shank Drill Bit
Decimal Equivalent0.4844 in
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Flute TypeSpiral
Flute Length4 3/8 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Taper Shank SizeMT2
Depth:Dia. Ratio4xD
Drill Bit GroupingIndividual
Drill Diameter Tolerance+0.0000 in/-0.0010 in
Primary Material ApplicationCast Iron, Steel, Tool and Die Steel