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Dijamantna krunica za bušenje

Za postavljanje električnih podžbuknih instalacijskih kutija u betonu, zidovima i kamenu, dubina reza 65 mm

  • krunica za bušenje sa zalemljenim dijamantnim segmentima za brze, fine provrte u betonu, zidovima i kamenu s ekstremno visokom trajnošću
  • dostupna u različitim promjerima, dubina reza 65 mm – za postavljanje podžbuknih instalacijskih kutija (umetaka razdjelnih kutija i utičnica)
  • izvana ležeći transportni pužni vijak za pouzdano uklanjanje prašine koja nastaje tijekom bušenja, sprječava začepljenje krunice za bušenje, sigurnost zahvaljujući ispitivanju kvalitete koje je provela tvrtka TÜV

Product description

The diamond tipped annular bit is ideal for quickly drilling fine holes in concrete, brick walls and stone (e.g. concrete slabs, kerbstones and similar types of hard stone). Its heavy-duty design makes it extremely durable. With a possible cutting depth of 65 mm and a selection of diameters, the annular bit is ideal for installing flush sockets (junction box and socket inserts). The exterior conveyor screw enables reliable removal of the drilling dust and prevents clogging of the annular bit. The drilling core can be easily removed through the two large discharge slots. The annular bit is TÜV-tested, meaning you can be sure of a safe, quality product. 

Suitable for material

Very suitable Brick walls, Cobblestone, Sand lime brick, Breeze block, Pumice stone, Brick, Flat brick, Aerated concrete, Breeze block, Floor screed, Clinker, Plaster, Marble 
Conditionally suitable Concrete, Washed-out concrete, Textile-reinforced concrete 

Properties

annular bit tipped with brazed diamond segments for quickly drilling fine holes in concrete, brick walls and stone (e.g. concrete slabs, kerbstones and similar types of hard stone)  
available in various diameters, 65 mm cutting depth – for installing flush sockets (junction box and socket inserts) 
heavy-duty design for extreme durability 
exterior conveyor screw for reliable removal of the drilling dust, prevents clogging of the annular bit 
2 large discharge slots for easy removal of the drilling core  
TÜV-tested quality for peace of mind 

Technical data

Cutting depth 65 mm
Threaded connector M16 
Direction of rotation Clockwise rotation 
Cutting edge version Soldered diamond segments 
Cut quality Quick, fine cuts 
Additional product specification 2 discharge holes 
Exterior conveyor screw 
Article number Contents Working diameter Ø Speed of rotation, max. EAN
7957000 1 68 mm 300 RPM 4006885795709
7958000 1 82 mm 200 RPM 4006885795808