Vortex Point 1/2" Silver & Deming Twist Drill
- Type 130-VT, 135 degree Split Point, 3-Flats on shank
- Unique tip geometry reduces heat generation & cutting tool wear increasing tool life
- Easily enlarges existing holes without damaging the point
- Stays sharp upto 4x longer compared to conventional and other speciality tip design
- Recommended for Cast Iron, Brass, Sheet metal, Plastic, Mild Steel, copper, Hardened Steel