80992 Type 190-ACN HSS 135Â degree Split Point NAS 907B TiCN Coated Jobber Length Drill Bit (6 pack) 1.7mm Bost-Bronz® has a self-contained oil

Bost-Bronz® has a self-contained oil supply (approximately 20% by volume) which provides a uniform protective film over the entire bearing surface

Reduction Stages: Double

Maximum Pressure 180 PSI @ 75 Deg

88 Series FR units are equipped standard with 40 micron elements

80992 Type 190-ACN HSS 135Â degree Split Point NAS 907B TiCN Coated Jobber Length Drill Bit (6 pack) 1.7mm Bost-Bronz® has a self-contained oilHeavy 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)