DEDRA H1229 drill hole saw 6.8 cm for Stone and Concrete

The DEDRA H1229 drill hole saw 6.8 cm for Stone and Concrete is a purpose-built cutting accessory for creating clean circular openings in masonry materials. Designed for use with compatible rotary drills, this hole saw offers a 6.8 cm cutting diameter and a construction suitable for drilling in stone and concrete surfaces. It is intended for tasks where a precise round hole is required, such as installing pipes, conduits, or fixtures in solid substrates.

Advantages

The hole saw features a robust cutting edge designed for durability when used on abrasive masonry. Its 6.8 cm diameter provides a standard opening size commonly required in plumbing and electrical installation work. The tool is engineered to deliver consistent cutting performance while maintaining shape and effectiveness over repeated use on stone and concrete. Compatibility with standard drill attachments ensures straightforward setup and changeover.

Suitable for

• Cutting circular openings in concrete walls and blocks
• Creating holes for plumbing pipes and drainage fittings
• Preparing openings for electrical conduits and junction boxes
• Renovation and construction tasks involving masonry substrates

Key specifications

• Cutting diameter: 6.8 cm
• Intended materials: stone, concrete, masonry
• Design: hole saw for rotary drilling
• Typical mounting: compatible with standard drill arbors/chucks
• Use environment: indoor and outdoor construction sites

How to use

Select a drill with suitable power and a compatible arbor or adapter for the hole saw. Mark the center of the desired opening, secure the workpiece or ensure the drilling surface is stable, and position the hole saw perpendicular to the surface. Begin drilling at low speed to establish the cut, then use moderate, steady pressure and appropriate cooling or dust control measures as required for concrete or stone. After cutting through the material, withdraw the tool carefully and clear debris from the hole. Inspect the edge of the opening and deburr if necessary.

Usage recommendations

When working with stone or concrete, use appropriate personal protective equipment (safety glasses, dust mask, gloves) and consider water cooling or a dust extraction system to prolong tool life and reduce airborne dust. Use progressive drilling speeds and avoid excessive side pressure to maintain cutting edge integrity.