81012 Type 190-ACN HSS 135Â degree Split Point NAS 907B TiCN Coated Jobber Length Drill Bit (6 pack) Acme Interchange helical gears with opposite-hand helix

helical gears with opposite-hand helix angles are required

the High Flow Manifold provides 1/2" bore in a "flow through" configuration

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25 Micron (Standard Sintered Brass Filter)

81012 Type 190-ACN HSS 135Â degree Split Point NAS 907B TiCN Coated Jobber Length Drill Bit (6 pack) Acme Interchange helical gears with opposite-hand helixHeavy duty construction for drilling in tougher materials Manufactured from premium high speed steel 135 split point is self centering for reducing thrust and easier penetration Provides exceptional oxidation resistance and extreme hardness TiCN is harder and has a lower coefficient of friction then TiN coating. Recommended where moderate temperatures are generated. Manufactured to NAS 907B aerospace specification Titanium carbon nitride (TiCN)