Used for securing fibre cement profile sheets to light section steel (max. 5mm). Complete with heavy duty EPDM and stainless steel washer to provide a water-tight seal. Also known as a BAZ washer. Exterior corrosion resistant coating to withstand over 1,000 hours salt spray. Features Exterior plating gives a reliable and durable corrosion resistant coating which resists 1,000 hours salt-spray Wings ream enlarged hole in roofing sheet to allow for expansion Frequently used to secure Big 6 roofing sheets Specification Washer Type - BAZ Thread Ø (mm) - 6.3 Head Type - Hex EPDM Washer (mm) - 25 Type - For Light Section Steel MDT (mm) - 5 Pack Type - Box Packs per Carton - 8 Pack Qty - 50 L (mm) - 130 Effective Thread L (mm) - 46 Max. CT (mm) - 105 Corrosion Rating (1-5) - 3 - Urban & industrial areas with a low salt atmosphere Socket Size (mm) - 8 Carton Finish - Exterior (Silver Organic) Included Items - 25mm BAZ Washers Point Type - Self-Drilling No.3 Thread Type - 60° Self-Tapping with