This jobber drill bit features two spiral flutes and a 135 Degrees point angle. It has a flute length of 1.85 inches, an overall length of 3.15 inches, and a diameter of 4.5 millimetres. This non-coolant through drill bit is made of cobalt steel.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.1772
Material - MachiningCobalt
Drill Bit Point Angle135 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length47.00 mm
Helix Angle21 Degrees /34 Degrees
Spiral DirectionRight Hand
Shank Dia.4.5 mm
Overall Length80.00 mm
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsNAS 907 Type J
Drill Diameter Tolerance+0.0000 in/-0.0007 in
Web ThinningThinned
Primary Material ApplicationAluminum, Brass, Bronze, Copper, Stainless Steel, Steel