80040 Type 190-ALN HSS 135Â degree Split Point NAS 907B TiAIN Coated Jobber Length Drill Bit (6 pack) #58 Bost-Bronz® bearings are one of

Bost-Bronz® bearings are one of the most effective bearings available for precision performance

and lubricator

The 26 Series Combination + Lubricator Units package a filter

and tightening both nuts

Neoprene Pigtails are constructed of oil-resistant neoprene rubber hose

80040 Type 190-ALN HSS 135Â degree Split Point NAS 907B TiAIN Coated Jobber Length Drill Bit (6 pack) #58 Bost-Bronz® bearings are one ofHeavy 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 aluminum nitride (TiAIN)