04500 Type 190 HSS Black Oxide Jobber Length 135Â degree Split Point Drill Bit (12 pack) 1/2" Hub Boston Air Motors are ideal

Boston Air Motors are ideal for use in flammable or explosive applications

Straight chucks often provide an easier way of engaging and holding the chuck onto the tire’s valve

Automotive

except they do not contain valves

Click here for spec sheet: NAP Spec Sheet

04500 Type 190 HSS Black Oxide Jobber Length 135Â degree Split Point Drill Bit (12 pack) 1/2" Hub Boston Air Motors are idealHeavy duty construction for drilling in tougher materials Manufactured from premium high speed steel 135 split point is self centering for reduce thrust and easier penetration Manufactured to NAS 907 B aerospace specification Click Here for product catalog Black oxide surface finish increases wear resistance and adds lubricity to improve chip flow. Proudly Manufactured in the U. S. A