Chicago Latrobe 159 High-Speed Steel Short Length Drill Bit, Black Oxide Finish, Round Shank, 135 Degree Split Point, 5/32\ Size (Pack of 12)
- Manufactured to NAS 907 Type C geometry aerospace specifications.
- Manufactured from premium high-speed steel.
- 135 degree P3 split point is self-centering for reduced thrust and easier penetration.
- Shorter flute and overall length provide superior rigidity to minimize deflection when using heavy feed rates.
- Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge.