General description Designed to attach sheet metal (max 0.8mm) to timber. Once installed, the EPDM washer prevents water ingress, ensuring a secure and long-lasting connection. Technical specifications Dimensions: 6.3 x 60 mm Maximum sheet metal thickness: 0.8 mm Corrosion resistance: Over 1,000 hours salt-spray Other information Includes EPDM washer for enhanced waterproofing