Diamond core drill bit Makita D-44513, 35 mm diameter, for granite, marble, tile

Makita D-44513 is a 35 mm diamond core drill bit designed for precise core cutting in hard stone materials such as granite, marble and ceramic tile. The bit is intended for use with compatible rotary drills or core drilling adapters and is suitable for wet drilling to reduce heat and extend segment life. Its 35 mm diameter makes it practical for creating clean openings for fixtures, samples, pipes or anchor points in stone and tiled surfaces.

Advantages

The diamond-segment cutting edge delivers consistent penetration and a longer service life when used on dense natural stone and ceramic materials. Wet drilling compatibility helps control dust and cooling, improving cutting accuracy and reducing wear. The standardized mounting (suitable for common drill adapters) enables straightforward attachment and stable rotation, supporting accurate, burr-free holes.

Suitable for

• Drilling holes in granite worktops and slabs
• Creating openings in marble for plumbing or fixtures
• Cutting precise holes in ceramic and porcelain tiles
• Removing core samples from masonry for inspection or testing

When it may not be suitable

This diamond core bit is optimized for dense stone and tile; it is not intended for general-purpose wood or soft metals where different tooth geometries or speeds are required. Dry drilling for extended periods is not recommended as it can overheat the diamond segments and shorten tool life. Very thin or brittle tiles may crack if unsupported or if inappropriate drilling techniques are used.

Key specifications

• Cutting diameter: 35 mm
• Material: diamond-segment cutting edge designed for stone and tile
• Suitable drilling method: wet drilling recommended
• Typical applications: granite, marble, ceramic and porcelain tile, masonry cores

How to use

Secure the workpiece to prevent movement and mark the drilling location. Fit the core bit to a compatible drill or adapter and, when possible, use a drill guide or template to keep the bit perpendicular to the surface. Begin at low speed to establish the cut, then apply steady pressure and moderate speed while supplying water to the cutting area to cool the bit and flush slurry. Periodically remove the bit from the hole to clear debris and check progress, then continue until the core is complete. After use, clean and dry the bit before storage.

What to consider before purchase

• Confirm the bit diameter (35 mm) matches the hole size required for your task
• Ensure your drill or adapter supports the bit mounting and is suitable for wet core drilling
• Verify the intended material is stone or tile, rather than soft materials like wood or aluminum
• Plan for water supply and waste management when wet drilling

Usage recommendations

Use the Makita 35 mm diamond core bit with a steady, controlled feed and continuous water flow for best results. For thicker stone or prolonged work, take regular breaks to inspect the segments and avoid excessive heat buildup. Employ support or backing for thin tiles to prevent cracking.