GRK Fasteners RT Composite Exterior Trim Screws are specially designed for attaching composite decking and cellular PVC trim materials. The unique underhead reverse thread reduces or eliminates mushrooming for a cleaner installation. Suitable for both interior and exterior applications.
- Underhead reverse thread reduces or eliminates mushrooming
- Trim head design provides a clean, finished look
- Rated for interior and exterior use
- Size: 8 x 3-1/8 in.
- 514-count box

