The adjusting washer FSW works with the fischer UltraCut FBS II concrete screw to easily install wooden beams / timber sleepers.

FSW adjusting washer

The fischer FSW adjusting washer works in combination with the fischer UltraCut FBS II hexagonal US concrete screw with a diameter of 10 to quickly and easily install wooden beams or timber sleepers. This ensures excellent time savings, particularly in home construction, and reduces the strain on workers installing timber sleepers.

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Functionality

Create a drilled hole using a hammer drill or hollow drill, and prepare the drilled hole in the wooden beam.
Clean the drilled hole. Cleaning is not necessary if a hollow drill is used to drill the hole. Cleaning the drilled hole is also not necessary if it is drilled vertically into the ceiling or floor. However, the drill hole depth must be increased by 3x the drilling diameter for holes drilled in the floor.
Combine the adjusting disc with the concrete screw so that the preformed washer on the concrete screw fits into the recess on the adjusting washer.
Set the concrete screw using an impact wrench (recommendation: fischer FSS 18V 400BL with torque control) using the specified torque.
Place a second adjusting washer on the installed concrete screw with the depression facing downward.
Fasten the fischer adjusting washer on the wood using commonly available screws with a flat head.
Now the concrete screw can be loosened again slightly and the beam can be aligned and shims inserted or mortar added under the beam as necessary. Re-tighten the concrete screw after adjustment. We recommend using the fischer FSS 18V 400BL impact wrench with torque control.
Optional: After completing adjustment, the top adjusting washer can be removed once again and used for the next installation.

Mounting Strip 1 Picture

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FSW adjusting washer

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