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Stair-tread fixing TB / TBB

To fix wooden step treads in concrete and steel sub-structures

The fischer stair-tread fixing TB is a fixing solution for installation of wooden stair-treads on steel stringers. Wooden step treads are fixed directly into concrete and solid building materials with the fischer stair-tread fixing TBB. The stair-tread fixing for steel sub-structures only requires a very small cavity due to the short expansion element. Thus it is suitable even for narrow steel profiles. The special fixing TB comprises a plug sleeve made from high-quality nylon and a corresponding screw. Screwing in the screw causes the fixer to expand in the steel profile. The stair-tread fixing TBB fixings in concrete and solid building materials comprises a plastic sleeve with a directly preshaped expansion plug shank.

Product Description

Advantages
  • The elastic shaft geometry allows for the absorption of vibrations, prevents creaking, and thus increases comfort.
  • The stair-tread fixing for steel sub-structures (TB) only requires a very small cavity due to the short expansion element. Thus it is suitable even for narrow steel profiles.

Available Product Variants


3 Product variant (s) found

3 Product variant (s) found

Variant
Drill hole in stair thread
Drill hole in steel staircase stringer
Drill hole in concrete
Collar height
Art.-No. 060580

14 x 25 [mm]

9 [mm]

[mm]

5 [mm]

Art.-No. 060583

14 x 25 [mm]

[mm]

8 x 55 [mm]

[mm]

Art.-No. 060584

[mm]

[mm]

[mm]

[mm]

Viewed 3 of 3 variant (s)
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Application and Permission

Applications
  • Wooden step treads
Building materials
TB for fixing in:
  • Hollow steel profiles
TBB for fixing in:
  • Concrete
  • Solid building materials
* You can find detailed information on building materials in the registration document.

Assembly Instruction

Functionality
  • The plastic expansion plugs are suitable for anchoring wooden step treads and wooden boards >30 mm to steel profiles (TB) or in solid building materials (TBB).
  • The ideal retention forces are only achieved when using cold wood glue for the fixing in wooden step treads.
  • The plastic washers included with the TBB allow you to level out any unevenness in the substrate.
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System Components & Related Categories

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