CONC SCREW SORMAT S-CSA+ HEX 14X150 SW21 ZINC PLATED 10PCS

High-performance Sormat S-CSA+ HEX concrete screw with hex 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 environmental use: dry indoor conditions. The product has European Technical Approval ETA-20/0446 for concrete. The product is also CE marked. Concrete screws also have 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 preset torque value. Usage allows for small minimum edge and spacing distances between anchors. Package size: 10 pieces. The screw has partial thread, thread length 112 mm. Spanner size AV21, flange diameter 28 mm, flange height 12 mm. Suitable substrates: concrete, solid brick, and solid calcium sandstone brick. Suitable for fastening into both cracked and uncracked concrete. Drill hole diameter 14 mm. Drill hole depth 125 mm. Thickness of material to be fastened: 35/85 mm. This product description is an automated translation of the original Finnish description.