Our Screw In Twin Component Grommets are designed for applications with threaded holes or fixing without locknut. Rated at IP66, the Screw In Twin Component Grommets are dust tight, and offer quick and easy mounting. Temperature range is -30ēC to +80ēC, intermittent to approximately +100ēC.Screw In Twin Component Grommets are made of grey polyamide / thermoplastic elastomer.