ESSVE concrete screw EUS2 A4 is a high-quality concrete screw designed for installation where high safety assembly is required, e.g. balcony railings, fall protection, steel plates, etc. It is CE-marked through an ETA (Option 1) and approved for use in both cracked and uncracked concrete. The ETA includes resistance to fire (R30-R120). In addition, the ETA permits adjustment of the installation with shims.

Stainless steel A4 permits installation in aggressive environments, both in industry and near oceans. According to Eurocode guidelines (EN 1992-4), stainless steel fasteners should be used in outdoor environments and permanent moist indoor environments to obtain a minimum working life of 50 years.

The outer thread at the screw tip has welded carbide inserts that easily cuts thread in soft and hard concrete (C20/25 - C50/60).

ESSVE concrete screw EUS2 A4 is also available with a hex head with flange. It is also available in electro-zinc plated or zinc flake versions. Note that the stainless steel screw is not third-party approved for re-use.

When assembling, impact screwdrivers are recommended. The concrete screw does not require a preload torque to ensure the fixing (such as e.g. wedge anchors) The final torque applied should not be larger than what is required to mount the detail. Avoid over-tightening. Further information of the installation is included in the ETA.

A 10 mm adjustment of the installation is permitted. The embedment depth of the screw after adjustment needs to be equal to hnom or deeper.