This jobber length drill bit is made of high speed steel and has a 4.2 mm diameter, 32 mm long shank. It is for use with aluminum, brass, bronze, cast iron, copper, steel, and meets the standards for DIN 340. This 1899 series jobber length drill bit has a black oxide finish, and has metric measurements. It is non-coolant through with a 75mm length. Plus it has two 43mm spiral flutes, a straight shank, and 118 Degrees conventional point.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.1654
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length43.00 mm
Helix Angle21 Degrees /34 Degrees
Spiral DirectionRight Hand
Shank Dia.4.2 mm
Overall Length75.00 mm
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsDIN 340
Drill Diameter Tolerance+0.0000 in/-0.0007 in
Web ThinningThinned
Primary Material Application ISO CodeK, N, P
Drill Bit Size4.20 mm
Measurement SystemMetric
Finish - MachiningBlack Oxide
Drill Bit Point TypeConventional Point
Number of Coolant Holes0
Number of Flutes2
Maximum Drilling Depth21/32 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length32 mm
Depth:Dia. Ratio4xD
Drill Point Length0.0497 mm
Series1899
Aircraft DrillNo
Sheeter DrillNo
Primary Material ApplicationAluminum, Brass, Bronze, Cast Iron, Copper, Steel