This item is Brand new!
- 1/4″ Hex Shank , Triangular shank design will not spin inside the chuck
- HSS with heat treated
- Desinged to auto deburr the hole cut.
- Titanium Nitride Coating
- last up to 4-5 times than ordinary drill bits
- Drill round holes in most metals, plastic, wood…etc
- Self-starting tip will not skid
- No center punching Or pilot hole required
- Compatible with all electric drills and drill presses
- Sizes: 9/16″, 5/8″, 11/16″, 3/4″, 13/16″, 7/8″, 15/16″, & 1″