Rothenberger DX High Speed Dry Diamond Core Drill Bit 102 mm

When dry drilling demands both speed and endurance, the Rothenberger DX High Speed Dry diamond core bit stands apart from conventional options. Its 102 mm diameter and 300 mm working length are engineered for professionals who need clean, precise holes in abrasive materials without the hassle of water cooling. The laser-welded roof segments bite instantly, reducing wandering and delivering a fast start even on tough surfaces.

Highlights

• Optimized dry drilling performance for concrete, masonry, and brick
• Laser-welded diamond segments with roof design for rapid penetration
• High-quality steel core barrel ensures stability and long service life
• 1 1/4" UNC connection thread fits standard professional rigs
• Segment height of 10 mm provides extended wear resistance

In daily use

This core bit excels in renovation and installation tasks where water is impractical or prohibited. The six roof-shaped segments clear debris efficiently, keeping the bit cool and preventing clogging in reinforced concrete (light) and sand-lime brick. Expect consistent hole quality from the first millimeter to the last, with minimal vibration and straight tracking.

Full specifications

• Product type: Diamond core drill bit
• Drilling method: Dry
• Diameter: 102 mm
• Working length: 300 mm
• Connection thread: 1 1/4" UNC
• Segment height: 10 mm
• Number of segments: 6
• Segment type: Laser-welded diamond
• Segment design: Roof segments for quick start
• Material suitability: Concrete, reinforced concrete (light), masonry, brick, sand-lime brick, aerated concrete
• Core barrel material: High-quality steel
• Application: Professional dry core drilling
• Packaging quantity: 1 piece

Final note

For contractors who refuse to compromise on speed or durability, the Rothenberger DX High Speed Dry delivers a reliable, high-performance solution that keeps the job moving—dry, clean, and precise.