The Black & Decker 1/2 in. x 3-7/8 in. Glass/Tile Drill Bit is made of high-speed steel and has a carbide tip. It is a specialty drill bit for drilling glass, tile, mirrors and ceramics. This bit works with 3/8 in. drills or larger.
- For 3/8 in. drills or larger
- For drilling in glass, tile, mirrors and ceramics
- Drills 1/2 in. holes
- 3-7/8 in. drilling depth
- Made of high-speed steel
- Carbide tip
- Design prevents cracking of material