Advanced Composite vinyl ester resin hex flanged nuts offering exceptional chemical resistance and electrical insulation properties. Engineered with E-glass reinforcement for superior strength (413 MPa flexural strength) while being 80% lighter than metal equivalents. Perfect for harsh environments where traditional fasteners fail, with temperature resistance from -35°F to 200°F. https://incomepultrusion.com/product/vinyl-ester-resin-hex-flanged-nut/