Wood screws for outdoors with concealed coloured head: choose KKT COLOR A4 | AISI316.
KKT COLOR A4 | AISI316is the idealwood screwfor outdoor use in very aggressive environments or with acetylate-treated woods.
The three-lobed thread makes it possible to cut the wood grain during screwing.
The wood penetration capacity is exceptional, while the inverse (left-hand) under-head thread guarantees excellent grip.
The small conical head ensures that it isconcealed in the wood.
In A4 | AISI316 austenitic stainless steel with coloured organic coating, it is suitable for use without pre-drilling on timber boards with a density of less than 550 kg/m3 and with pre-drilling on boards with a density of less than 880 kg/m3. Service classes 1, 2 and 3.
