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  5. KKT A4 | AISI316

CONE-SHAPED CONCEALED HEAD SCREW

KKT A4 | AISI316

KKT A4 | AISI316 is the wood screwdesigned for outdoor use in very aggressive environments.

Ideal for fastening claddings for terraces and façades, it is also available in the KKT X version for fastening standard clips for wooden boards.

KKT A4 | AISI316 wood screws: the ideal fastening for terraces and façades.

The KKT A4 | AISI316 wood screw is ideal in very aggressive environments and for chemically treated woods.

The inverse (left-hand) under-head thread guarantees excellent grip. The small conical head ensures that it is well concealed in the wood.

The three-lobed thread makes it possible to cut the wood grain during screwing, guaranteeing an exceptional wood penetration.

In A4 | AISI316 austenitic stainless steel, it is also available in the KKT X version with reduced length, for fastening Rothoblaas TVM and TERRALOCK standard clips in outdoor environments.

The KKT A4 and KKT X wood screws are 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.

Features

FOCUS excellent grip
HEAD conical, countersunk
DIAMETER 5.0 mm
LENGTH from 20 mm to 80 mm

Documents

Technical data sheets
Declaration of performance (DOP) Download

KKT A4 | AISI316

CODE d₁
[mm]
L
[mm]
TX pcs.
KKT540A4 5 43 TX20 200
KKT550A4 5 53 TX20 200
KKT560A4 5 60 TX20 200
KKT570A4 5 70 TX20 100
KKT580A4 5 80 TX20 100
KKT A4_2D_v1_web

KKT X A4 | AISI316

CODE d₁
[mm]
L
[mm]
TX pcs.
KKTX520A4 5 20 TX20 200
KKTX525A4 5 25 TX20 250
KKTX530A4 5 30 TX20 100
KKTX540A4 5 40 TX20 100
KKT A4_2D_v2_web

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