80032 Type 190-ACN HSS 135Â degree Split Point NAS 907B TiCN Coated Jobber Length Drill Bit (6 pack) 18mm Bore the Bear-N-Bronz® material can be

the Bear-N-Bronz® material can be provided in different sizes

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

Click here for spec sheet: SAPL Spec Sheet

Spiral tooth Miter Gears are better suited for higher speeds and high torque applications

80032 Type 190-ACN HSS 135Â degree Split Point NAS 907B TiCN Coated Jobber Length Drill Bit (6 pack) 18mm Bore the Bear-N-Bronz® material can beHeavy 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)