This jobber length drill bit is made of high speed steel and has a 6.9 mm diameter, 40 mm long shank. It is for use with aluminum, brass, bronze, cast iron, copper, steel, and meets ASME standards, DIN 338. This 1899 series jobber length drill bit has a black oxide finish, and has metric measurements. It is non-coolant through with a 109mm length. Plus it has two 69mm spiral flutes, a straight shank, and 118 Degrees conventional point.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.2717
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length69.00 mm
Helix Angle21 Degrees /34 Degrees
Spiral DirectionRight Hand
Shank Dia.6.9 mm
Overall Length109.00 mm
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsASME B94.11M, DIN 338
Drill Diameter Tolerance+0.0000 in/-0.0010 in
Web ThinningThinned
Primary Material Application ISO CodeK, N, P
Drill Bit Size6.90 mm
Measurement SystemMetric
Finish - MachiningBlack Oxide
Drill Bit Point TypeConventional Point
Number of Coolant Holes0
Number of Flutes2
Maximum Drilling Depth1 5/64 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length40 mm
Depth:Dia. Ratio4xD
Drill Point Length0.0816 mm
Series1899
Aircraft DrillNo
Sheeter DrillNo
Primary Material ApplicationAluminum, Brass, Bronze, Cast Iron, Copper, Steel