The sandwich panel screw is a self-drilling screw for steel-wood connections that drills or forms its own core hole and mating thread in the component. This eliminates the need for pre-drilling and the selection of the correct drill hole diameter. The specially designed drill point prevents the screw from drifting on the component surface. This allows fast drilling. It is no longer necessary to centre punch the drilling point. The sandwich panel screw is therefore a time-saving alternative to conventional self-tapping screws. The sandwich panel screw made of bi-metal is characterised by a hexagonal drive for ideal force transmission and an A2 sealing washer with EPDM seal.
The sandwich panel screw combines the high corrosion resistance of A2 stainless steel with the outstanding mechanical properties of carbon steel.
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