80042 Type 190-ACN HSS 135Â degree Split Point NAS 907B TiCN Coated Jobber Length Drill Bit (6 pack)Heavy 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)

Lubrication Not Required

Equipped with a single mounting hole

Steel Socket Construction Extends Life of Connector

Boston Gear’s internal gears are spur gears turned "inside out

Lubrication: Klubersynth UH1 6-460

Wintergrade Temperature Range: -45°F +

clearance and drill diameter for the ultimate in accuracy and performance

Material: Glass Filled Teflon

Drop-in replacement for commonly used hex nut keyless bushings

Operating Pressure 0 to 115 PSI

Coil Power 12-20W (2W025-040) 14-35W (2W160-500)

quieter operation