Screw for fixing hardware elements for windows and doors (straps, espagnolettes, hinges and chains) and for furniture due to the shape of the head, capable of exerting a strong tightening pressure.
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.
which is capable of applying a strong tightening pressure.
with a smooth and sharp profile to guarantee rapid screwing with minimum effort, reducing the risk of cracking the wood.
Threaded right to the end, ensure a secure grip without any slipping and a gradual and constant penetration of the screw. Rapid penetration is thus obtained and, as there are no points of discontinuity, here is a lower risk of cracking the materials.
More info: demo video
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