#8 trim screws use bit T-10; #9 trim screws use bit T-15Self-tapping, TRIM head screws; W-Cut thread designOne pail contains 605 screwsClimatek coated for all weather corrosion protection conforms with ICC#2442RT series screws for composite decking
Most material splitting is prevented because of the Trim Head Screws' exceptionally small head and the W-Cut thread design. Pre-drilling is only necessary if the building material's limitations require a pilot hole to be drilled, as in hard woods like Mahogany, Ipé, etc.
Brand: GRK, Model: 772691160799, Size: 8 Inch