80412 Type 190-ACN HSS 135Â degree Split Point NAS 907B TiCN Coated Jobber Length Drill Bit (3 pack) 1-1/2" Bore It has a tough nitrile

It has a tough nitrile inner tube

and lubricate your compressed air system in a small package

installing the barbed splicer

Self-lubricating bearings resist corrosion

80412 Type 190-ACN HSS 135Â degree Split Point NAS 907B TiCN Coated Jobber Length Drill Bit (3 pack) 1-1/2" Bore It has a tough nitrileHeavy 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)