4mm Gryphon Core Drill Bit

Product Description
Use: Drill holes in glass
Bit: 1/8" outside diameter, 30mm shank length, 4mm shank diam.
- Cuts holes in glass quickly & easily
- Use with drill press
- Spray diamonds with water to keep cool while drilling
- Use press-release-press-release action to minimize heat & allow coolant to flush away debris

Manf. Number: #4Core
$ 11.99