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 Equivalent0.144
Material - MachiningCobalt
Drill Bit Point Angle135 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length1 7/8 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.9/64 in
Overall Length3 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