Heat-resistant 8 percent cobalt high speed steel. 135 degree split point. Straw colour finish. Material applications: good for use in tough, high tensile materials such as alloy steels, stainless steel, titanium, armor plate and inconel.550 series manufactured to National Aerospace Standard 907, Type J550ASP series manufactured to National Aerospace Standard 907, Type B.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.173
Material - MachiningCobalt
Drill Bit Point Angle135 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length2 3/16 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.11/64 in
Overall Length3 3/8 in
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsNAS 907 Type J
Drill Diameter Tolerance+0.0000 in/-0.0007 in
Web ThinningThinned
Primary Material ApplicationStainless Steel, Steel, Titanium
List Number550ASP
Drill Bit Size#17
Measurement SystemWire
Finish - MachiningStraw/Bronze
Drill Bit Point TypeSplit Point
Number of Coolant Holes0
Number of Flutes2
Maximum Drilling Depth11/16 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1 3/16 in
Depth:Dia. Ratio4xD
Drill Point Length0.0358 in
Series550ASP
Aircraft DrillYes
Sheeter DrillNo
Material Grade - MachiningM35
Primary Material Application ISO CodeM, P, S
Country of OriginUnited States
(subject to change)