The Alpha® Dry Diamond Core Bit is engineered for fabricators and contractors who need fast, reliable dry drilling performance on hard countertop materials. Designed for use with high-speed angle grinders, this core bit delivers clean, accurate faucet-mounting holes in granite, engineered stone, porcelain, and crystallized glass without requiring water. Its dry-drilling design helps reduce jobsite cleanup and supports efficient installation work.
Key Features
- Dry Drilling Design: Suitable for drilling faucet openings in countertops and vanities without water.
- Fast, Clean Cutting: Cuts through granite, engineered stone, quartzite, porcelain, and similar hard surfaces.
- Angle Grinder Compatible: Fits high-speed grinders with a standard 5/8"-11 spindle.
- Precise Hole Finishing: Produces clean edges suitable for professional installation requirements.
- Multi-Use Applications: Suitable for water, gas, and electrical pipe penetrations.
- Size Range Options: Available in diameters from 1/2" to 2" to match common drilling needs.
Specifications
| Part No. | Size | Max RPM | Application | Threads |
|---|---|---|---|---|
| DRB00500 | 1/2" | 12,000 | Dry | 5/8"-11 |
| DRB00750 | 3/4" | 12,000 | Dry | 5/8"-11 |
| DRB01000 | 1" | 12,000 | Dry | 5/8"-11 |
| DRB01375 | 1-3/8" | 12,000 | Dry | 5/8"-11 |
| DRB01500 | 1-1/2" | 12,000 | Dry | 5/8"-11 |
| DRB02000 | 2" | 12,000 | Dry | 5/8"-11 |
The Alpha® Dry Diamond Core Bit supports clean, controlled dry drilling for countertop fabrication and on-site installation where water use is not practical.
