04590 Type 190 HSS Black Oxide Jobber Length 135Â degree Split Point Drill Bit (12 pack) 2-5/8" ID Click here for spec sheets:

Click here for spec sheets: BUCNPF Spec Sheet

Operating Temperature 32 - 140°F (0 - 60 °C)

just has eccentric locking insert instead of set screw

Reduction Stages: Double

and internal gears

04590 Type 190 HSS Black Oxide Jobber Length 135Â degree Split Point Drill Bit (12 pack) 2-5/8" ID Click here for spec sheets:Heavy 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