Features Include:
- 1/2″ Hex Shank
- 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
- 12 Hole sizes in 1/16″ increments
- Sizes: 7/16″, 1/2″, 9/16″, 5/8″, 11/16″, 3/4″, 13/16″, 7/8″, 15/16″, 1″, 1 1/16″, 1 1/8″