04910 Type 190 HSS Black Oxide Jobber Length 135Â degree Split Point Drill Bit (12 pack) 1.75" OD Double lip shaft seals with

Double lip shaft seals with rotating flinger

The 27 Series offers a balance of compact size and optimum flow

Number of Threads: Quad Thread

They easily install

Product Note: BOStonE F-1 bearings may be green

04910 Type 190 HSS Black Oxide Jobber Length 135Â degree Split Point Drill Bit (12 pack) 1.75" OD Double lip shaft seals withHeavy 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