Quarter Inch Dry Diamond Core Drill Bits Set 2-Piece 6mm Diameter 5/8-11 Thread for Angle Grinders and Wet Polishers Ideal for Ceramic Porcelain Granite Marble Tiles Stone Glass Brick Hard Materials Tile Hole Saw Capability

1/4-Inch Diamond Core Drill Bit Set - 2-Piece for Grinders
✔️ 2-piece set, 6 mm dia, 5/8-11 thread, dry/wet drill

This compact 2-piece dry diamond core drill bit set is designed for precise holes in tough materials. Use them with angle grinders to tackle ceramic porcelain tiles, granite, marble, stone, masonry, brick, and glass. Suitable for both dry and wet drilling to match your project’s needs.

✅ 6 mm (1/4 in) diameter, 62 mm (2.44 in) total length, 35 mm (1.37 in) max depth
✅ 10 mm (0.39 in) diamond height for efficient cutting
✅ 5/8-11 thread fits most angle grinders for quick setup
✅ Dry and wet drilling support with dense cooling wax to extend life

💡 What is a handy question people ask about dry diamond core drill bits and how they work?

This type of drill uses industrial-grade diamonds bonded to the tip to grind through hard materials with precision. - Diamond grain enables fast cutting across ceramic, porcelain, granite, and stone - Dry/wet capability lets you choose heat control and finish without water in many jobs - 5/8-11 thread matches most angle grinders for easy setup