Dia-NTBK SPEED STAR DX, 1.1/4, D=82, NL=500
The SPEED STAR DX diamond core bit is designed for wet and dry core drilling in heavily reinforced concrete as well as natural and artificial stone, with a hole diameter of 10 mm.Typical applications: Heating, plumbing and electrical installations, renovation of old buildings, tiling, stair and railing installation, refrigeration and air-conditioning technology, gardening and landscaping.
- PRISMACUT: Four pilot holes on the diamond segment improve pilot drilling performance while ensuring optimal water cooling
- PRISMACUT guarantees direct water cooling of the diamond segments
- Precise concentricity reduces wear
- Excellent cutting performance for a reliable initial cut during freehand operation
- Compatible with all other ROTHENBERGER drive machines
- Standard 1.1/4″ UNC threaded mounts
- The excellent segment positioning provides an optimal degree of clearance and an outstanding cutting speed
- Up to 15% higher cutting speed when cutting steel rebar
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Product description
The SPEED STAR DX diamond core bit, with a 1.1/4-inch UNC threaded shank, is suitable for wet and dry drilling. With a maximum effective length of 430 mm, the diamond core bit can drill holes with diameters ranging from 10 to 500 mm. Dry drilling produces less debris and ensures more efficient work, even in locations where there is no water supply. The over-threaded drill bit reduces wear and offers excellent cutting performance. The PRISMACUT pilot lenses provide improved initial penetration and protect the diamond segments.
Functions and features
Dry drilling
Wet drilling
Scope of delivery
- SPEED STAR DX, 1.1/4" UNC, D=82 mm, NL=430 mm
Technical data
The most important facts at a glance
| Diameter (min-max) | 82 – 82 mm |
| Number of segments | 8 |
| Protection | IP 20 |
| Drilling motor pick-up | R 1” GK-Kupplung |
| Drill crown types | mm |
| Thread pick-up | Standard |
| Tiles | Yes |
| Clinker | Yes |
| Mamor | Yes |
| Masonry | Yes |
| Granite | Yes |
| Concrete | Yes |
| Screed | Yes |
| Asphalt | Yes |
| Lime sandstone | Yes |
| Strongly reinforced concrete | Yes |
| Drilling stroke with unit of measurement | 500 mm |
| Useful length with unit of measurement | 500 mm |
| Drilling area concrete with unit of measurement | 82 mm |
| Drilling area masonry with unit of measurement | 82 mm |
| Segment dimension length x width x height with unit of measurement | 5 X 20 mm |