05280 Type 190 HSS Black Oxide Jobber Length 135Â degree Split Point Drill Bit (12 pack) 1-3/8"-6 Thread Effective on both hard and

Effective on both hard and soft shafts

Design fully engages the thread for secure locking

Available with a Plastic or Metal Bowl (depending upon pressure and chemical requirements)

Operating Pressure 5 to 115 PSI

Keyless Rigid Coupling with high torque and overhung load capacity

05280 Type 190 HSS Black Oxide Jobber Length 135Â degree Split Point Drill Bit (12 pack) 1-3/8"-6 Thread Effective on both hard andHeavy 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