5.5mm x 25mm SELF DRILLING TEK SCREWS EPDM SEALING WASHER ROOFING CLADDING SHEET
ROOFING FIXINGS. 5.5mm x 25mm Roofing tek screws with integrated EDPM Washer. Joining roofing sheets to light section steel (max 5.0mm) has never been so easy. Professional grade screws at affordable prices.