#8 x 2-1/2″ RT Composite Exterior Reverse Thread Trim Screw (605/Pack)

GRK has modified its innovative FIN/Trim Head screw to include reverse threading under the head of the fastener. This technology makes the RT Composite Trim Screw ideal for use in composite and cellular PVC trim.

• Zero stripping with 6 points of contact.
• Reverse threads to eliminate mushrooming.
• Trim head for a clean finished look.
• Low torque, smoother drive and reduce splitting.