Rothenberger Dia-NTBK DURAMANT PRO,G1/2', D=82,NL=400 - FF42680

Professional Diamond Core Drill Bit for Precise Drilling

The Rothenberger Dia-NTBK DURAMANT PRO (code FF42680) represents an advanced solution for dry core drilling in construction materials. Designed for plumbing, electrical, and HVAC professionals, this diamond core bit offers superior performance thanks to its robust construction and high-quality diamond segments.

Key Technical Features

The diamond core bit has a diameter of 82 mm with a usable working length of 400 mm, ideal for medium-depth wall penetrations. The G1/2 threaded connection ensures compatibility with the most common professional core drills on the market. DURAMANT PRO technology ensures extended durability even in the most demanding working conditions.

Ideal Applications

This diamond tool is particularly suitable for:

• Creating holes for plumbing and sanitary systems
• Installing ventilation systems
• Passing electrical cables through walls
• Mounting heating systems
• Creating openings for air conditioners

Workable Materials

The Dia-NTBK DURAMANT PRO core bit is optimized for dry core drilling on:

• Concrete (including reinforced concrete)
• Solid and hollow bricks
• Concrete blocks
• Natural stone
• Abrasive construction materials

Advantages of DURAMANT PRO Technology

The DURAMANT PRO diamond segments are the distinguishing feature of this core bit, offering:

• Higher drilling speed compared to standard core bits
• Reduced vibrations during use
• Less overheating thanks to optimized design
• Precise cutting with a clean hole finish
• Superior durability even on particularly abrasive materials

Tips for Optimal Use

To achieve the best results with the Rothenberger Dia-NTBK DURAMANT PRO core bit, it is recommended to:

• Use a core drill with adequate power for the core bit diameter
• Maintain constant pressure during drilling
• Avoid overheating in particularly hard materials
• Periodically check the wear of the diamond segments
• Use dust extraction devices to reduce dust

Compatibility and Accessories

The diamond core bit is compatible with most professional core drills equipped with a G1/2 connection. For a complete system, it can be combined with:

• Rothenberger RODIADRILL series core drills
• Dust extraction systems
• Centering bits for precise positioning
• Extensions for deep drilling
• Adapters for different threads

Safety Specifications

When using the diamond core bit, it is recommended to:

• Wear personal protective equipment (goggles, gloves, hearing protection)
• Check for hidden electrical cables or pipes before drilling
• Ensure an adequate dust collection system
• Securely fasten the workpiece
• Follow the core drill manufacturer's instructions