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 TX hexalobular recess which, due to its vertical walls, transmits all the tightening torque preventing stripping of the bit and wear of the recess.
HEAD ∅ 7mm
Fits perfectly into the countersink present in the hardware elements to be fixed.
that does not interfere with the movement of the system, even in screwing at an angle.
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