Use when securing roofing sheets. EPDM rubber is 3mm thick. EPDM may be grey as shown or black. 29mm washers are rubber & aluminium. 16mm & 19mm washers are rubber & galvanized steel. Bonded Sealing Washers.
HEXAGONAL HEX TEK SCREW COVER CAPS TO FIT 8mm (5/16") TEK SCREW - Black x400
16mm HEXAGONAL HEX TEK SCREW COVER CAPS TO FIT 8mm (5/16") TEK SCREWS UV STABLE
Raven/Slate Blue (Pack of 25 CAPS) - 16mm Hexagonal TEK Screw Cover CAPS to FIT 8mm (5/16") TEK Screws
Raven/Slate Blue (Pack of 100 CAPS) - 16mm Hexagonal TEK Screw Cover CAPS to FIT 8mm (5/16") TEK Screws
Black (Pack of 200 CAPS) - 16mm Hexagonal TEK Screw Cover CAPS to FIT 8mm (5/16") TEK Screws
