#14 Metal Roofing Screws: (250) Screws x 1-1/2″ 1.5 inches, NO PAINT
#14 x 1-1/2″ Metal ROOFING SCREWS(250) Screws Hex Washer
The EPDM washer is bonded to a galvanized steel washer to prevent sealing issues and to place even pressure on the EPDM washer. Compared to neoprene washers, the EPDM temperature range of -60 to 350 F is far superior to Neoprene washers which have a much narrower temperature range.