Partially threaded screw with a small head and ‘CUT’ crack-proof tip suitable for fixing the components of fixing hardware systems for flap doors and windows.
deep to ensure secure matching with the screwdriver. A deep recess, of a perfect shape, enables he same insert to be used for thousands of screwing operations.
HEAD ∅ 7mm
Fits perfectly into the countersink present in the hardware elements to be fixed.
Guarantees a much higher tear resistance than the common screws with ∅ 3,5mm.
‘CUT’ CRACK-PROOF TIP
Ideal for tightening close to the edges of the frame (angular movements, scissor supports, hinges), where the traditional screw may create splits that would compromise the grip of the fixture and the functioning of the system.
CARBONITRIDING HEAT TREATMENT
More info: heat treatment
CHROMITING® GALVANIC TREATMENT
of an iridescent colour, it ensures much more effective protection against rust than all normal galvanizing treatments. Complies with the EN1670 standard grade 4.
More info: finishing treatments
More info: Lubex® lubrication
Of the assembly elements for constructing wooden weight-bearing structures, in accordance with the EN 14592:2009 standard (granted by the CSTB Centre Scientifique du Bâtiment, in Paris). Issue of the DoP (Declaration of Performance), in accordance with the European Construction Regulation no. 305/2011.