CMT Diamond Dry Hole Saw - 1 1/4" Diameter by CMT is a professional-grade dry-cutting hole saw engineered for drilling through hard tiles, natural stones, and artificial stone surfaces without the need for water cooling. Filled with integrated cooling wax that activates during cutting, this diamond-coated hole saw delivers clean, precise holes in ceramic, granite, marble, and engineered stone materials. Designed for use with an angle grinder via a 5/8"-11UNC spindle connection, it is the right tool for tile installers and stone fabricators who need reliable, repeatable performance in demanding dry-cut applications.

Key Features

• Diamond Dry Cutting Design - purpose-built for dry operation, eliminating the need for water cooling setups and making it practical for job-site tile and stone drilling where water is impractical or unavailable.
• Integrated Cooling Wax - the hole saw is filled with cooling wax that melts during drilling to regulate heat at the cutting zone, protecting both the blade and the workpiece from thermal damage and extending overall blade life.
• 1 1/4" (32mm) Cutting Diameter - a precise, consistent bore size suited for hardware pass-throughs, faucet pilots, and outlet cutouts in tile and stone surfaces.
• 1 9/16" Cutting Height with 40mm Cutting Depth - provides sufficient depth capacity to cut cleanly through standard tile and stone thicknesses in a single pass, reducing rework.
• 5/8"-11UNC Shank Connection - the industry-standard threaded shank mounts securely to angle grinders fitted with a 5/8"-11 spindle, ensuring a stable, vibration-resistant connection during high-speed operation.
• Right-Hand (RH) Rotation - matches the standard forward rotation of angle grinders, allowing direct use without special adapters or reversed setups.
• Up to 14,000 RPM Rating - rated for high rotational speeds so the tool can keep pace with angle grinder operating ranges, maintaining cutting efficiency across a variety of applications.
• Suitable for Hard Tiles, Stones, and Artificial Stones - versatile material compatibility including ceramic, gres, granite, marble, and engineered stone products means one tool covers a broad range of tile and stone drilling needs.

Why This Product

• The built-in cooling wax eliminates the need for a separate water supply or wet-cutting setup, making this hole saw a practical dry-cutting solution for tile and stone work in environments where water management is difficult.
• The 5/8"-11UNC threaded shank provides a direct, secure connection to standard angle grinders - a common tool already on most job sites - so no specialized drilling equipment is required.
• With a rated speed of 14,000 RPM and diamond abrasive construction, this hole saw is matched to the performance envelope of angle grinders, delivering efficient material removal without stalling or overheating the blade prematurely.
• Compatibility with a wide range of hard materials - from ceramic and gres tile to granite, marble, and artificial stones - makes this a single versatile solution for contractors and tile setters working across multiple stone and tile types on the same project.

Specifications

• Manufacturer Part Number: 552-732
• Brand: CMT Orange Tools
• Diameter: 1 1/4"
• Cutting Depth: 40mm
• Cutting Height: 1 9/16"
• Total Length: 2 3/8"
• Shank: 5/8" - 11UNC
• Rotation: RH (Right-Hand)
• Maximum RPM: 14,000
• Material: Diamond

Approved Applications

• Drilling holes in hard tiles (ceramic and gres)
• Drilling holes in hard natural stones (granite and marble)
• Drilling holes in artificial and engineered stones
• Dry-cutting tile and stone with an angle grinder