Conical drill bit

Simple and fast creation of undercut drill holes in aerated concrete

The fischer conical drill bit PBB guarantees the secure and approval-compliant fixing of heavy loads in aerated concrete with the fischer injection system. Drill hole and undercut are created with the conical drill bit in one working step. The cone-shaped drill hole enables maximum load-bearing capacity in aerated concrete thanks to the interlock. The drill hole is filled by the centring sleeve PBZ, which is placed on the drill hole. The fischer threaded rod FIS A or the fischer internal threaded rod FIS E are inserted with a slight rotating movement. The system components enable the secure fixing in aerated concrete of railings, cantilevers and lightweight steel constructions indoors and outside.

Product Description

Advantages
  • The cone-shaped drill hole guarantees maximum load-bearing capacity in aerated concrete thanks to the interlock.
  • The cone drill bit PBB allows for the cylindric drill hole and undercut to be made in one step by pivoting the drill.
  • Two adjustable drill hole depths increase flexibility in anchoring (e.g. higher loads, bridging of plaster).

Available Product Variants


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Application and Permission

Applications
  • Creation of conically undercut drill holes in aerated concrete
Building materials
  • Aerated concrete
You can find detailed information on building materials in the registration document.

Permission

  • ETA-10/0383, ETAG 029
  • ETA-10/0383, ETAG 029

Assembly Instruction

Functionality
  • The cone drill bit PBB is suitable for pre-positioned installation.
  • The required drill hole depth is adjusted on the drill bit.
  • First, the cylindric drill hole is made. Afterwards, the cone-shaped undercut is produced by 4-6 pivotings.

Documents for Downloading

Approvals

Title Type Created Valid Till
ETA - European Technical Assessment (PDF, 21 MB) European Technical Assessment fischer Injection resin FIS V for fixing in masonry ETA-10/0383, ETAG 029 17/06/2015 23/11/2020
ETA - European Technical Assessment (PDF, 42 MB) European Technical Assessment fischer Injection resin FIS V for fixing in masonry ETA-10/0383, ETAG 029 06/10/2017
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