Hexagon head with drilling point and EPDM bonded sealing washer. Maximum drilling thickness 5mm. Zinc plated screws.
SELF DRILLING TEK SCREWS WITH SEALING WASHERS ZINC PLATED FOR METAL ROOFING
SELF DRILLING TEK SCREWS WITH SEALING WASHERS ZINC PLATED FOR HEAVY THICK METAL
Tek Self Drilling Screws with Sealing Washers Zinc Plated for Metal Roofing CR3
Self-drilling Roofing Screws with Sealing Washers Black, Green, Silver and Red
SELF DRILLING TEK SCREWS WITH EPDM SEALING WASHER ROOFING CLADDING SHEET SCREW
