Samac B90DS025 90mm Galv'd Drive Screws 250g B90DS025 Commonly used for roofing and cladding applications Suitable for securing corrugated metal or plastic roofing sheets to timber purlins Designed for use with Sela caps and washers or Dowty washers to help create a watertight seal Permanent fixing solution with no drive recess, making removal difficult once installed Tamper-resistant design for added security Galvanised finish for improved corrosion resistance Pack weight: 250g Brand: Samac Samac B90DS025 90mm Galv'd Drive Screws provide a reliable, professional-grade fixing solution for roofing and cladding installations. Ideal for securing corrugated sheets to timber purlins, these screws are widely used where a strong, long-lasting hold is required. When paired with the appropriate caps or washers, they help support a secure, weather-resistant installation. Their drive-free design makes them a practical tamper-resistant option for permanent fixing applications.