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When used with worm gears
Once in contact with the tool
90v DC & 180v DC volt motors
high-speed steel drill performs well in a wide variety of drilling applications
57290 Type 340-A HSS Black Oxide 118Â degree Split Point NAS 907A Jobber Length Drill Bit (12 pack) 86 Teeth When used with worm gearsType 340 A 118 split point is self centering for reduced thrust and easier penetration Black oxide finish for increased wear resistance and added lubricity Manufactured to NAS 907A aerospace specification General purpose geometry with 118 split point for drilling in a wide range of drilling operations and materials. Click Here for product catalog Proudly Manufactured in the U. S. A
