185 mm Self-tapping Screw for Timber and Concrete with Washer Aluminium/EPDM has SW Hex Head Carbon Steel in Ceramic Coating Fastening Screws for Fixing Wall Sandwich Panels Pack of 25 pcs

• HEX CAP SCREWS: Screws have a solid hexagonal head. Screws are designed for manufacturing and construction applications. Screws have six-sided head without a recess. The sides are spread evenly apart, resulting in a hexagonal shape.
• USABILITY: Self-Tapping screw with bonded washer designed for fixing sandwich panels in timber and concrete substrates, etc., indoors/outdoors.
• EPDM (ethylene propylene diene monomer): A popular Elastomer for outdoor Applications where weather and water resistance is required. EPDM offers a Superior resistance to Ozone, UV and sunlight. It also has a good resistance to steam and brake fluid.
• NOTE: Make sure to press the washer correctly, as when the washer is pressed either too strongly or too weakly, lack of tightness is likely, which may result in corrosion in the fixing point.
• Technical Assessment: ETA-16/0444 (timber substrate) : ITB-KOT-2019/0915 edition (concrete substrate) Galvanized carbon steel. Size: Screw Diameter - 6.3 mm Length - 185 mm. Pack of 25 pcs.

Self-tapping screw for fixing sandwich panels is made of heat-treated carbon steel in SQ Ceramic coating. The screw has SW hex head, self-tapping tip and aluminium/EPDM washer. Installation: 1 In concrete substrate pre-drill a hole using drill bit Ø 5mm to a depth of min. 40 mm. Make sure to set optimum rotary speed when screwing. 2 At all times screws should be installed perpendicularly to the substrate surface. 3 Make sure to press the washer correctly, as when the washer is pressed either too strongly or too weakly, lack of tightness is likely, which may result in corrosion in the fixing point. Features Material: Hexagon head. Thermally hardened carbon steel with ceramic coating. Size: 6.3 mm x 185 mm Pack of: 25 pcs Application: For fixing sandwich panels in timber and concrete substrates. Fixing roof sandwich panels. Fixing wall sandwich panels in horizontal configuration. Surface mounting (visible mount). Mounting in sandwich panel joint (concealed mount).