Screw for screwing pieces of parquet flooring or coverings in solid wood.
which transmits the tightening torque entirely, thus preventing slipping of the bit and wear of the recess.
with milling ribs, to avoid cracks in the wood while tightening. The entire head enters the wood so that the following slat can be fixed in position.
to obtain excellent gripping of the wooden support.
DRILLING TIP AF (CRACK-PROOF)
which allows diagonal application of the screw directly without a pilot hole.
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