CONC SCREW SORMAT S-CSA+ HEX 14X75 SW21 ZINC PLATED 20PCS

High-performance Sormat S-CSA+ HEX concrete screw with hexagonal flange, manufactured in Finland. The carbon steel screw is cold-formed to provide a reliable fastener strong enough to penetrate even hard materials. The concrete screw features a hardened special thread that forms threads in the base material. The redesigned thread section ensures improved performance and installability, enabling tighter holding. The reprofiled tip also facilitates and accelerates installation. Surface treatment: electro-galvanized (? 5 µm) according to EN ISO 4042. The screw is fully removable. Tensile strength of the screw is 800 MPa. Recommended environment: dry indoor conditions. The product has European Technical Approval ETA-20/0446 for concrete. The product is also CE marked. Concrete screws also have the general DIBt type approval Z-21.8-2136 for temporary fastenings into concrete, enabling reuse for temporary applications such as formwork installation. Measurement determines whether the screw is reusable, performed using the inspection gauge CG S-CSA+ 14. Fire-rated for concrete installations up to R120. The concrete screw is designed for through-installation. Installation steps: 1. Drill a hole according to product specifications. 2. Clean the hole thoroughly. 3. Install the screw through the material to be fastened until the anchor flange contacts the material to be fastened. We recommend using a suitable size impact screwdriver for installing concrete screws. No predefined torque value. Usage allows for small minimum edge and spacing distances between anchors. Package size: 20 pcs. The screw has partial thread with thread length of 65 mm. Spanner size AV21, flange diameter 28 mm, flange height 12 mm. Suitable base materials: concrete, solid brick, and solid calcium silicate brick. Suitable for fastening into both cracked and uncracked concrete. Drill hole diameter: 14 mm. Drill hole depth: 75 mm. Thickness of material to be fastened: 10 mm. This product description is an automated translation of the original Finnish description.