Discover the SPAX Advantage. This German engineered/German made SPAX #10 x 3-1/2 in. Square Flat Head Doublelok Thread Stainless Steel Screw offers a premium quality fastening solution that help ensure professional results in less time than inferior imported screws. Stainless Steel screws offer the ultimate corrosion resistance and aesthetics in wood decking and railing applications. Made of 300 series stainless steel, these screws are ideal for exterior applications in any environment. Do it Once, Do it Right with SPAX.
- Double ThreadLok design pulls and holds boards tight, preventing screws from backing out and boards from squeaking as lumber dries out
- Our trim head design offers pleasing aesthetics across the deck surface
- Deep square drive offers excellent bit engagement; better bit engagement means quicker installation with less effort
- Check out our threads, our patented thread technology allows the screw to be driven faster, is easier to install, and reduces splitting in wood; let SPAX take some of the hassle out of your next project
- Includes 285 screws