This high-performance jobber length drill bit is made of high speed steel and has a 15/64 inch diameter, 1¼ inch long shank. It is for use with cast iron, steel, and meets ASME standards. This 1801 series jobber length drill bit has a black oxide finish, and has fractional inch measurements. It is non-coolant through with a 3⅞ inch length. Plus it has two 2⅝ inch spiral flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.2344
Material - MachiningHigh Speed Steel
Drill Bit Point Angle135 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length2 5/8 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.15/64 in
Overall Length3 7/8 in
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsASME B94.11M
Drill Diameter Tolerance+0.0000 in/-0.0007 in
Web ThinningThinned
Primary Material ApplicationCast Iron, Steel
List Number1801
Drill Bit Size15/64 in
Measurement SystemFractional Inch
Finish - MachiningBlack Oxide
Drill Bit Point TypeSplit Point
Number of Coolant Holes0
Number of Flutes2
Maximum Drilling Depth15/16 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1 1/4 in
Depth:Dia. Ratio4xD
Drill Point Length0.0485 in
Series1801
Aircraft DrillNo
Sheeter DrillNo
Material Grade - MachiningHigh Performance
Primary Material Application ISO CodeK, P
Country of OriginUnited States
(subject to change)