This M42 jobber length drill bit is made of cobalt and has a 5/16 inch diameter, 1 5/16 inch long shank. It is designed for use with cast iron, stainless steel. This 2075-TA series jobber length drill bit has a TiAlN finish, and has fractional inch measurements. It is non-coolant through with a 4½ inch length. Plus it has two 3 3/16 inch parabolic flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.3125
Material - MachiningCobalt
Drill Bit Point Angle135 Degrees
Coolant FedNon-Coolant Through
Flute TypeParabolic
Flute Length3 3/16 in
Helix Angle35 Degrees /45 Degrees
Spiral DirectionRight Hand
Shank Dia.5/16 in
Overall Length4 1/2 in
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsNot Rated
Drill Diameter Tolerance+0.0000 in/-0.0005 in
Web ThinningThinned
Primary Material ApplicationCast Iron, Stainless Steel