GRK THS82-5 Trim ProPak RT 8 by 2-Inch Composite Screws, 725 Screws per Pail Product Description GRK Trim RT Composite screws have the smallest screw head available with lengths from 1-1/4-Inch to 5-Inch. Most material splitting is prevented because of the Trim head screw's exceptionally small head and the W-cut thread design. Pre-drilling is only necessary if the building materials limitations require a pilot hole to be drilled, as in hardwoods like Mahogany and Ipe'. GRK has modified its innovative FIN/Trim head screw to include reverse threading under the head to help it disappear beneath the surface of composite deck material, reducing or eliminating the dimple that sometimes appear in composite decking. From the Manufacturer GRK Trim RT Composite screws have the smallest screw head available with lengths from 1-1/4-Inch to 5-Inch. Most material splitting is prevented because of the Trim head screw's exceptionally small head and the W-cut thread design. Pre-drilling is only necessary if the building materials limitations require a pilot hole to be drilled, as in hardwoods like Mahogany and Ipe'. GRK has modified its innovative FIN/Trim head screw to include reverse threading under the head to help it disappear beneath the surface of composite deck material, reducing or eliminating the dimple that sometimes appear in composite decking. Features Use GRK Bit T-10 Self-Tapping W-cut thread design Zip-Tip Patented Climatek coating Composite Deck Trim Head Screw USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.