Heavy-duty, high speed Jobber length drill bit is list No. 150ASP with a black oxide finish. 135 degree split point and is for medium to heavy-duty applications in tougher materials such as titanium.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.4375
Material - MachiningHigh Speed Steel
Drill Bit Point Angle135 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length4 1/16 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.7/16 in
Overall Length5 1/2 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
List Number150ASP
Drill Bit Size7/16 in
Measurement SystemFractional Inch
Finish - MachiningBlack Oxide
Drill Bit Point TypeSplit Point
Number of Coolant Holes0
Number of Flutes2
Maximum Drilling Depth1 3/4 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1 7/16 in
Depth:Dia. Ratio4xD
Drill Point Length0.0906 in
Series150ASP
Aircraft DrillYes
Sheeter DrillNo
Material Grade - MachiningHigh Performance
Primary Material Application ISO CodeK, M, P
Country of OriginUnited States
(subject to change)