Drill Bits Short Length Threaded Shank Stub Series Drill Bit Set 4 Tight Fit Tools 00134
- Drill bits are made of M7 high-speed steel (HSS), for drilling hard materials.
- 135-degree split-point, 1/4-28 threads and a 5/16 inch hex adapter for removal of drill bit.
- Three lengths of drill bits: Longs=2-3/8 inches.
- Drill bits are black oxided to prevent chip-to-tool welding and corrosion.
- Drill bits comply with National Aerospace Standard NAS965.