Hilti S-MS 31PS Self-drilling sheet metal screws

Hilti S-MS 31PS Self-drilling sheet metal screws: Self-drilling screw (A2 stainless steel) with washer for chipless fastening of thin metal sheets (up to 2x 1.0 mm). Features: - Self-drilling screw for fast assembly in one step - Fast and sharp screw tip for chipless fastening and no work for cleaning metal chips - Pan head for improved aesthetics and better accessibility in tight spaces - Attractive final appearance - screw head can be coloured to match the façade - Perfect Sealing (PS) feature - specially engineered geometry below the head which prevents over-compression of the EPDM washer, helping to reliably seal out water - Application: Fastening thin metal sheets (up to 2x 1.0 mm) - Application: Stainless steel (A2) for fastening in mildly corrosive environments - Application: Fastening overlap joints between profile metal sheets and sandwich panels - Application: For applications requiring water-resistant fastenings - 12mm washer included - Application: Fastening aluminium to steel or aluminium substructures Specifications: Screw drive/recess type: TX 25 Washer size: 12 mm Base materials: Carbon steel, Aluminium Environmental conditions: Dry indoor, Indoor with temporary condensation, Outdoor with low pollution, Outdoor with moderate concentration of pollution Screw diameter d: 4.8 mm Length: 20 mm Screw head diameter: 10 mm Product class: Premium Washer type: Bonded EPDM