81030 Type 190-ALN HSS 135Â degree Split Point NAS 907B TiAIN Coated Jobber Length Drill Bit (6 pack) 16" Extension Lifetime synthetic lubricant Sealed unit

Lifetime synthetic lubricant Sealed unit

web with lightening holes

Does not mar the shaft

Boston Gear’s Right 90 Series spiral bevel gear drives are designed for high efficiency

It has a tough nitrile inner tube

81030 Type 190-ALN HSS 135Â degree Split Point NAS 907B TiAIN Coated Jobber Length Drill Bit (6 pack) 16" Extension Lifetime synthetic lubricant Sealed unitHeavy 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)