Ratings & Reviews for GRK R4 #8 x 1-1/2-in Polymer Exterior Multi-material screws 110 -Per Box

What Customers Are Saying

Customers overwhelmingly praise these screws for exceptional driving ease and superior anti-stripping performance, even in dense hardwoods and under high torque. The included star driver bit is frequently cited as a convenient value-add that holds up well throughout use. Reviewers consistently report strong, reliable holding power across diverse applications including decking, cabinetry, and heavy-load projects, with many noting the self-countersinking design eliminates pre-drilling. The secure head design and tight fit prevent slippage and ensure maximum torque transfer. A few mention limitations with metal studs, but the vast majority consider these screws exceptional and worth the investment.