Dry core bit set for plumbers, art. no. 50247

Diamond Dry Core Drill Bit Set for Plumbers – 7-Piece (Ø 6, 8, 10, 14 mm)

The compact Diamond Dry Core Drill Bit Set for Plumbers (Item No. 50247) provides professionals in sanitary installation with a precise tool kit for accurate drilling in hard materials such as porcelain stoneware, tiles, and natural stone. Each diamond dry core bit included in the set delivers high cutting quality and minimal wear – even with regular use on construction sites. Specially developed for small diameters, this set is the ideal solution for plumbing tasks such as laying pipes or installing fixtures.

Thanks to the robust M14 connection, the diamond dry core bits can be quickly mounted on all standard angle grinders without tools. Each bit is filled with integrated paraffin, ensuring effective self-cooling during dry drilling – without the need for water. With the recommended speed of 10,000 to 13,000 rpm, the bits deliver precise and clean results under professional conditions.

Key Features and Benefits:

• Specialized for plumbing applications: Optimized diameters for accurate holes in pipe routing and fixture installations.
• High-quality diamond coating: Durable segments for excellent performance in hard materials like porcelain stoneware or granite.
• Drilling depth up to 30 mm: Enables clean cuts even through thicker wall coverings.
• Dry drilling with paraffin core: Cooling without water – ideal for flexible use on-site.
• Universally compatible: All bits feature M14 female threads – suitable for standard angle grinders.
• Recommended speed: 10,000–13,000 rpm – for maximum control and minimal wear.
• Safe storage: Compact plastic case with custom insert for organized and protected storage.

Contents:

• 2 x Diamond Dry Core Drills GOLD Ø 6 mm
  
• 2 x Diamond Dry Core Drills GOLD Ø 8 mm
  
• 1 x Diamond Dry Core Drill GOLD Ø 10 mm
  
• 1 x Diamond Dry Core Drill GOLD Ø 14 mm
  
• 1 x Plastic Box for safe storage

FAQ – Frequently Asked Questions About the Diamond Dry Core Drill Bit Set for Plumbers

What materials is the set suitable for?
Ideal for hard coverings such as porcelain stoneware, ceramic tiles, natural stone, or granite – especially in plumbing applications.

Do I need water for cooling while drilling?
No, the integrated paraffin cooling eliminates the need for water. The set is designed for dry drilling.

What is the optimal drilling speed?
A speed of 10,000 to 13,000 rpm delivers the best results.

Do the drill bits fit any angle grinder?
Yes, the M14 female thread is compatible with all standard angle grinders.

How are the drill bits mounted?
Simply screw them onto the spindle of the angle grinder. The inner flange stays on the spindle to make removal easier later.

How can overheating be avoided?
Work without applying pressure and take short breaks if needed – especially with small diameters or very hard materials.

Is a transport case included?
Yes, a sturdy plastic case with a fitted insert is included.