Features - Cobalt
- 135? self-centering split point
- Bronze oxide surface treatment
- Style: T1C/TTD=Good, R10CO/PTD=Better
- Heavy-duty construction
- NAS 907
- Type J
Dia.9/16BrandPrecision Twist DrillOAL6-5/8StyleR10COMaterialOverall Length6-5/8Diameter9/16Flute Length4-13/16Flute Lgth.4-13/16Decimal Equiv.0.5625Decimal Equivalent0.5625Angle135 Split PointSpiralRegular