This jobber length drill bit is made of high speed steel and has a ¼ inch diameter, 1¼ inch long shank. It is for use with cast iron, steel, titanium, tool and die steel, and meets the standards for NAS 907 Type B. This 150ASP-TA series jobber length drill bit has a TiAlN finish, and has fractional inch measurements. It is non-coolant through with a 4⅛ inch length. Plus it has two 2⅞ inch spiral flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.2656
Material - MachiningHigh Speed Steel
Drill Bit Point Angle135 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length2 7/8 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.1/4 in
Overall Length4 1/8 in
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsNAS 907 Type B
Drill Diameter Tolerance+0.0000 in/-0.0010 in
Web ThinningThinned
Primary Material Application ISO CodeK, M, P, S
Drill Bit Size17/64 in
Measurement SystemFractional Inch
Finish - MachiningTiAlN
Drill Bit Point TypeSplit Point
Number of Coolant Holes0
Number of Flutes2
Maximum Drilling Depth1 1/16 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1 1/4 in
Depth:Dia. Ratio4xD
Drill Point Length0.055 in
Series150ASP-TA
Aircraft DrillYes
Sheeter DrillNo
Primary Material ApplicationCast Iron, Stainless Steel, Steel, Titanium, Tool and Die Steel