GRK's RT Composite™ features a small head, GRK's W-Cut™ thread design and Zip-Tip™ to prevent most material splitting
Reverse Threading (RT) under the head of the screw helps the screw head to "disappear" beneath the surface of the classic wood composite material, reducing or eliminating dimpling
Made from PHEinox ™ hardened stainless steel
Strong head and star recess
NO pre-drilling required for most materials
Ideal for most composite decking
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