RUBI DRYGRES 43mm Diamond Drill Bit – Dry‑Cutting Solutions for Ceramic, Porcelain, Marble & Granite

The RUBI DRYGRES range is designed for fast, precise drilling in all types of ceramic tiles — especially porcelain — as well as natural stone materials such as marble and granite. Built with advanced VACUUM BRAZED technology, DRYGRES bits deliver exceptional durability, temperature resistance and cutting performance.

Professional Drilling Performance

• Ideal for ceramic tile, porcelain stoneware, marble and granite

• VACUUM BRAZED diamond bonding increases resistance to heat and friction

• Designed for dry drilling, perfect for installers working on finished surfaces

• Drilling depth: 36 mm

Compatible With Grinders & Drills

• M14 thread allows direct use with an angle grinder

• Can also be used with a non‑percussive drill via adaptor (ref. 05976)

Long Service Life

• Average lifespan:

  • 60 holes

• Actual lifespan depends on material hardness, thickness, cooling and correct use

Lateral Opening for Larger Diameters

• Features a side opening for improved cooling

• Allows easy removal of debris after each hole

• Ensures clean, obstruction‑free drilling

High‑Speed Operation

• Maximum recommended speed: 14,000 rpm

• For best results:

  • Maintain correct rotation speed

  • Use a slight orbital movement during drilling to improve finish and extend bit life