Exterior Trim Screws For Composite And Cellular PVC 725 Count 8 By 2 Inches Smallest Trim Head With Underhead Reverse Thread For Minimal Mushrooming Indoor And Outdoor Use GRK RT Composite Screws
✔️ Smallest trim head with underhead reverse thread for clean install
These exterior trim screws are engineered to fasten composite decking and cellular PVC with a clean, barely-there finish. They’re ideal for outdoor decks, trim, fascia, and other exterior projects where mushrooming and visible dimples matter.
✅ Pack size: 725-count for bulk outdoor projects
✅ Designed for attaching composite decking and cellular PVC
✅ Smallest trim head with W-cut thread reduces material splitting
✅ Underhead reverse threading helps it disappear beneath the surface
✅ Length options from 1-1/4" to 5" (32-127 mm)
✅ For interior and exterior use
💡 What is a trim RT composite screw used for on exterior decking and PVC trim? This handy fastener is designed to provide a clean, hidden finish in outdoor projects. - Attaches composite decking and cellular PVC with a clean finish - Handy for exterior and interior trim projects - Reduces mushrooming with reverse threading under the head - W-cut thread design helps prevent splitting of tough materials