This M42 jobber length drill bit is made of cobalt and has a 7/16 inch diameter, 3½ inch long shank. It is for use with cast iron, nickel, steel, titanium, and meets ASME standards. This 3780 series jobber length drill bit has a black oxide finish, and has fractional inch measurements. It is non-coolant through with a 5⅝ inch length. Plus it has two 2⅛ inch spiral flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.4531
Material - MachiningCobalt
Drill Bit Point Angle135 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length2 1/8 in
Helix Angle35 Degrees /45 Degrees
Spiral DirectionRight Hand
Shank Dia.7/16 in
Overall Length5 5/8 in
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsASME B94.11M
Drill Diameter Tolerance+0.0000 in/-0.0010 in
Web ThinningThinned
Primary Material ApplicationCast Iron, Nickel, Stainless Steel, Steel, Titanium