SPAX T-STARplusCylindric Head fasteners with white or yellow HCR (High Corrosion Resistance) coating are designed for use in both interior and exterior composite (PVC) connection applications

These finishing trim fasteners are designed to countersink for a clean-flush finish in both wood and composite materials

The double reverse thread is specifically designed for attaching composite (PVC) and pulling any shavings into the hole as it's tightened down