This W4 jobber length drill bit is made of high speed steel and has a 0.2205 inch diameter, 1.4173 inch long shank. It is for use with aluminum, cast iron, steel, and meets the standards for DIN 338. This 1898 series jobber length drill bit has a bright (uncoated) finish, and has metric measurements. It is non-coolant through with a 93mm length. Plus it has two 2.244one-inch spiral flutes, a straight shank, and 118 Degrees radial point.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.2205 in
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length2.2441 in
Helix Angle21 Degrees /34 Degrees
Spiral DirectionRight Hand
Shank Dia.0.2205 in
Overall Length3.661 in
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsASME B94.11M, DIN 338
Drill Diameter Tolerance+0.0000 in/-0.0007 in
Web ConstructionTapered
Material Grade - MachiningGeneral Purpose
Primary Material Application ISO CodeK, N, P
Drill Bit Size5.6 mm
Measurement SystemMetric
Finish - MachiningBright (Uncoated)
Drill Bit Point TypeRadial Point
Number of Coolant Holes0
Number of Flutes2
Maximum Drilling Depth0.1654 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1.4173 in
Depth:Dia. Ratio4xD
Drill Point Length0.0662 in
Series1898
Aircraft DrillNo
Sheeter DrillNo
Web ThinningWeb-Thinned
Primary Material ApplicationAluminum, Cast Iron, Steel