YG-1 - 0321L High Speed Steel NC Spotting Drill Bit Uncoated Bright Straight Shank Slow Spiral 90 Degree 1/2 Diameter x 4-1/64 Length Pack of 1
- Made of 8 percent cobalt and high speed steel.
- For more precise centering work on NC/CNC machine.
- A larger diameter in respect to the subsequent drilling tool permit to obtain the centering and chamfering simultaneously.