GRK Fasteners White RT Composite™ Exterior Trim Screw

The White RT Composite™ Exterior Trim Head screw is a specially designed fastener for attaching composite and cellular PVC materials. The reverse threading under the head of the fastener helps the screw head disappear beneath the surface of the material while preventing mushrooming and eliminating dimples for a smooth, even surface.  Features Recessed Star DriveEliminates stripping with 6 points of contact Trim HeadFor a clean, finished look Underhead Reverse ThreadDesign prevents mushrooming to create an even surface Additional Features W-Cut™: For low torque and smoother drive  Zip-Tip™: Eliminates pre-drilling    Available in Climatek™ or white Climatek™ coating Some sizes also available in 305 Stainless Steel  Applications cPVC Deck Boards Exterior Trim Hidden Fastening Additional Applications Interior/exterior use Composite trim cPVC Door/window jambs Composite decking