Concrete screw ULTRACUT FBS II 6 SK

The high-performance concrete screw for absolute installation ease

The fischer concrete screw ULTRACUT FBS II 6 SK is made of zinc-plated steel with a countersunk head. The ULTRACUT FBS II 6 SK is perfectly designed for applications like fixings of pipe routes, channel systems, ventilation ducts and facilities in the building service engineering. When the concrete screw is screwed into the drill hole using an impact driver, the thread flanks cut deep into the concrete, thus ensuring top load-bearing capacity. The low drilling effort saves time in the case of multiple fixations. The European Technical Approval for cracked concrete and non-cracked concrete as well as for seismic loads and classification into fire resistance class R 120 guarantee even more safety.

Product Description

Advantages

The first concrete screw with diameter 6 and variable embedment depths enables high flexibility and a precise adaption on the loads.
The ETA assessment option 1 includes the use in cracked and non-cracked concrete for highest safety requirements.
The first 6 mm diameter concrete screw with an ETA assessment for the C1 seismic performance category for additional safety standards.
The ULTRACUT FBS II 6 is approved for multiple use of non-load bearing systems and thereby ideal for the installation of pipe routes, cable trays and prestressed hollow concrete ceilings.
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.
Different head designs offer a maximum of flexibility and a perfect adaptation to the application.
The countersunk head offers a flush installation and is suitable for visually appealing installations.
The special double angle on the under-head geometry increases the stability of the concrete screw during screwing in.
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 concrete screw ULTRACUT FBS II 6 offers the possibility for use in masonry (solid building material).

Available Product Variants

Application and Permission

Applications

Pipeline routes
Suspension for individual pipes
Suspended mounting rails
Prestressed concrete hollow core ceilings
Cable trays
Ventilation ducts
Perforated tapes

Building materials

Approved for:

Concrete C20/25 to C50/60, cracked and non-cracked
Prestressed hollow concrete ceilings C30/37 to C50/60 for the multiple use of non-load bearing systems

Also suitable for:

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

You can find detailed information on building materials in the registration document.

Permission

ETA-15/0352
ETA-18/0242
DoP 0184
DoP No. 0146
DoP No. 0147

For Details see corresponding Documents

Assembly Instruction

Functionality

The ULTRACUT FBS II 6 is recommended for the push-through and pre-positioned installation.
We recommend using a tangential impact screwdriver with a suitable impact screwdriver socket or an internal TX drive.
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.
The screw is installed correctly when the screw head sits flush on the fixture and cannot be screwed in deeper (visual setting control).

Show assembly instruction as PDF

Documents for Downloading

Additional Documents

Approvals

Title	Type	Created
ETA - European Technical Assessment (PDF, 4 MB) European Technical Assessment for fischer concrete screw ULTRACUT FBS II	ETA-15/0352	05/10/2020
ETA - European Technical Assessment (PDF, 4 MB) European Technical Assessment for fischer concrete screw ULTRACUT FBS II. Fasteners for use in concrete for redundant non-structural systems.	ETA-18/0242	13/11/2020
DOP - Declaration of Performance (PDF, 3 MB)	DoP 0184	28/04/2020
DOP - Declaration of Performance (PDF, 3 MB)	DoP No. 0146	06/11/2018
DOP - Declaration of Performance (PDF, 2 MB)	DoP No. 0147	06/11/2018

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