Makita D-44563 Diamond Core Bit 55 mm M14 for Dry Drilling in Masonry

When a plumber needs to run a 50 mm waste pipe through a brick wall, a diamond core bit that can drill clean, accurate holes without water is essential. The Makita D-44563 diamond core bit, with its 55 mm diameter and M14 thread, is built for exactly that kind of professional dry drilling in masonry, brick, block, and aerated concrete. It mounts directly onto a standard angle grinder, turning a common tool into a high-performance core drill.

Key specifications

• Drill bit type: Diamond core drill bit
• Drilling diameter: 55 mm
• Thread size: M14
• Application: Dry drilling
• Suitable materials: Masonry, brick, block, aerated concrete
• Tool compatibility: Angle grinders
• Segment type: Laser welded diamond segments
• Working length: 60 mm
• Overall length: 65 mm
• Segment height: 7 mm
• Cooling method: Dry
• Construction material: Steel body with diamond segments
• Intended use: Professional / trade
• Product series: Makita Diamond Core Bits

Why choose it

The laser-welded diamond segments provide fast cutting and long life, even in abrasive materials. Because it is designed for dry use, you avoid the mess and setup of water cooling, making it ideal for indoor work where water is impractical. The M14 connection ensures a secure fit on most angle grinders, and the 55 mm diameter is a common size for pipe and duct penetrations.

Ideal use cases

• Creating openings for pipes, cables, and vents in masonry walls
• Dry drilling in brick and block for electrical or plumbing installations
• Professional construction and renovation projects

Good to know

This core bit is part of the Makita Diamond Core Bits series, engineered for trade professionals who demand reliability and precision. The steel body with laser-welded diamond segments ensures durability, and the dry operation eliminates the need for water cooling, reducing setup time and mess on the job site.