Core Bit (for Granite & Quartz)

The Granum Stone Diamond Core Bit is engineered for precision hole drilling in granite, quartz, and engineered stone. Its laser-welded diamond segments ensure maximum durability and clean, chip-free results. The optimized spiral design enhances dust removal and coolant flow, preventing overheating and maintaining performance. Perfect for sink cutouts, faucet holes, and countertop fabrication, it delivers professional-grade accuracy, long service life, and smooth operation.

Other Information:

1-3/8* vacuum core bit for granite, dry use, connector 5/8"-11

Technical Specifications:

·       Diameter Range: 1” to 3” (custom sizes available)

·       Segment Height: 10 mm

·       Segment Bond: High-Performance Sintered Diamond

·       Material Compatibility: Granite, Quartz

·       Application: Drilling and hole cutting

·       Usage Type: Wet Recommended

·       Equipment: Core Drilling Machine, Angle Grinder with Adapter

·       Key Features: Smooth drilling, clean edges, minimal vibration