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FISCHER 536872 concrete screw FBS II 12x130 70/55/30 hexagon head

Supplier number: FISCHER 536872 | EAN 4048962251555
3.36 tax incl.
€2.78 excl. VAT (incl. all environmental contributions)
On order: delivered from 09/10/2026

The minimum purchase order quantity for the product is 20.

  • Delivery by DHL

Reliable mounting with Fischer FBS II

Practical benefits
  • Fast cutting into concrete: The specialized sawtooth geometry cuts quickly into solid base materials without requiring drill hole cleaning on floors or ceilings.
  • Versatile multiple embedment depths: With 3 approved embedment depths, you can securely fasten various fixture thicknesses up to 70 mm using one screw.
  • Minimal edge spacing capability: Expansion-free anchoring ensures you can fasten close to structural edges without causing cracking in the concrete.

In a nutshell

The right choise for

With the Fischer fbs II 12X130 70/55/30 us concrete screw, you can fasten heavy structures directly and reliably into concrete without wall plugs. The specialized sawtooth geometry cuts swiftly into the base material, eliminating the need to clean drill holes for vertical installations in ceilings or floors. Thanks to three approved embedment depths, you can flexibly secure fixture thicknesses up to 70 mm with the same screw. Expansion-free anchoring allows for dependable fastening close to structural edges. In addition, you can loosen and adjust the hex head screw up to two times for exact alignment.



€3.36
tax incl.

Product information

Key features according to our expert

  • Diameter: 12 mm
  • Max. useful length: 70 mm
  • Length: 130 mm

Product description

The high-performance concrete screw for absolute installation ease.

The fischer UltraCut FBS II is the perfect concrete screw for top installation comfort. The special saw tooth geometry enables fast cutting into the concrete. Drill hole cleaning is not required for installations in ceilings or floors. Thanks to the national approval, multiple usage for temporary anchorings (for example, formwork construction) is permitted. For the installation of the wall screw, we recommend a tangential impact driver with a compatible socket or a special TX bit. The concrete screw is ideal for the fixation of railings, protection barriers, cantilevers, and formwork bracings, for example.

  • With up to 3 embedment depths, it allows for the same screw to be used for different component thicknesses
  • The special saw tooth geometry enables fast cutting into the concrete
  • The approved adjustment for the concrete screws allows the screw to be unscrewed twice to align the attached part, and then to tighten the screw again
  • With up to 3 embedment depths, the UltraCut FBS II US allows for the same screw to be used for different component thicknesses
  • The special saw tooth geometry enables fast cutting into the concrete
  • Drill holes do not need to be cleaned during vertical installation (ceiling and floor). For floor fixings the hole must be drilled 3x drill hole diameter deeper
  • Expansion-free anchoring (undercut) allows for lowest edge- and axial spacings
  • The ETA approval covers applications in cracked concrete and seismic power categories C1 and C2
  • The approved adjustment for the concrete screws allows the screw to be unscrewed twice to place maximum 10 mm packing below the base plate head or to align the attached part, and then to tighten the screw again
  • The checking gauge allows for reuse in temporary fixings (e. g. inclined supports) covered by the national approval
  • The concrete screw FBS II 6-10 in zinc-plated steel, multiple-coated steel CP and stainless steel R has an ETA for bricks of clay (EN771-1), solid sand-lime brick (EN771-2) and perforated sand-lime brick (EN771-2) for a flexible use in different substrates
  • The installation of the concrete screw FBS II 6-10 in zinc-plated steel, multiple-coated steel and stainless steel R in masonry brick can be made in the joints or in plastered substrates also in groups

Suitable for

  • The UltraCut FBS II is recommended for the push-through installation
  • Drill holes do not need to be cleaned during vertical installation (ceiling and floor). For floor fixings the hole must be drilled 3x drill hole diameter deeper
  • We recommend using a tangential impact screwdriver with a suitable impact screwdriver socket or an internal TX drive
  • The screw is installed correctly when the screw head sits flush on the fixture and cannot be screwed in deeper (visual setting control)

Building materials

Approved for:

  • Concrete C20/25 to C50/60, cracked and non-cracked
  • Reinforcement of existing concrete structures
  • Bricks of clay (EN771-1)
  • Solid sand-lime brick (EN771-2)
  • Perforated sand-lime brick (EN771-2)

Also suitable for:

  • Concrete C12/15
  • Solid building materials
  • Masonry with a dense structure

Application

  • Guard rails
  • Consoles/Base plates
  • Metal profiles
  • Shelving systems
  • Protection barriers
  • Results / beam anchors
  • Temporary anchoring, e. g. of building site equipment
  • Shuttering props
  • Reinforcement of bridges
  • Rehabilitation of old and ailing buildings
  • Rehabilitation of car parks

All Features

Diameter
12 mm
Max. useful length
70 mm
Length
130 mm
Screw-in depth/clamping range
100 / 30 mm
Seismic approval
C1 / C2
Screw size
14.0 x 130 mm
Cup-ø
23 mm
Min. drill hole depth for through-hole mounting
140 mm
Drill diameter
12 mm
Material
electrolytically galvanised steel
Screw length
130 mm
Recording
SW 17
Screw diameter
12 mm
  • Brand FISCHER
  • EAN 4048962251555
  • Supplier number FISCHER 536872

Frequently asked questions about this product

Answered by specialists
What drill bit diameter is required for this concrete screw?
You need to drill a 12 mm hole for the Fischer FBS II 12.
What do the numbers 70/55/30 indicate in the description?
They represent the maximum fixture thickness for each of the three approved embedment depths.
Does the drill hole need to be cleaned before installation?
Drill hole cleaning is not required for vertical installations in ceilings or floors.
Which tool should you use to install this concrete screw?
Use an impact wrench fitted with a suitable 17 mm hexagonal socket.
Can you adjust this concrete screw after installation?
Yes, the approval allows you to loosen and adjust the screw up to two times.
Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

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