High speed steel, left hand Jobber length general purpose drill bit. 118 degree point, bright finish. Material applications: tool steel, alloyed steel, aluminum, carbon steels, and cast iron.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.2969 in
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length3.0625 in
Helix Angle21 Degrees /34 Degrees
Spiral DirectionLeft Hand
Shank Dia.0.2969 in
Overall Length4.375 in
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsASME B94.11M
Drill Diameter Tolerance+0.0000 in/-0.0010 in
Web ThinningThinned
Primary Material ApplicationAluminum, Brass, Bronze, Cast Iron, Copper, Steel
List Number1898L
Drill Bit Size19/64 in
Measurement SystemFractional Inch
Finish - MachiningBright (Uncoated)
Drill Bit Point TypeRadial Point
Number of Coolant Holes0
Number of Flutes2
Maximum Drilling Depth1 3/16 in
Cutting DirectionLeft Hand
Shank Type - MachiningStraight
Shank Length1.3125 in
Depth:Dia. Ratio4xD
Drill Point Length0.0892 in
Series1898L
Aircraft DrillNo
Sheeter DrillNo
Material Grade - MachiningGeneral Purpose
Primary Material Application ISO CodeK, N, P
Country of OriginUnited States
(subject to change)