This high-performance jobber length drill bit is made of high speed steel and has a 25/64 inch diameter, 1⅜ inch long shank. It is for use with cast iron, steel, and meets the standards for NAS 907 Type B. This 150ASP series jobber length drill bit has a black oxide finish, and has letter measurements. It is non-coolant through with a 5⅛ inch length. Plus it has two 3¾ inch spiral flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemJobber Length Drill Bit
Measurement SystemLetter
Finish - MachiningBlack Oxide
Drill Bit Point TypeSplit Point
Number of Coolant Holes0
Number of Flutes2
Maximum Drilling Depth1 37/64 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1 3/8 in
Depth:Dia. Ratio4xD
Drill Point Length0.0000 in
Series150ASP
Aircraft DrillYes
Sheeter DrillNo
Material Grade - MachiningHigh Performance
Primary Material Application ISO CodeK, M, P
Decimal Equivalent0.397
Material - MachiningHigh Speed Steel
Drill Bit Point Angle135 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length3 3/4 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.25/64 in
Overall Length5 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 ApplicationCast Iron, Stainless Steel, Steel