FEATURES Brand New
- HSS with heat treated
- 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
- 10 Hole sizes in 1/18″ increments
- Sizes: 1/4″, 3/8″, 1/2″, 5/8″, 3/4″, 7/8″, 1″, 1-1/8″, 1-1/4″, 1-3/8″