SPAX 3581820801000 5/16 x 4" T-Star Washer Head HCR High Corrosion Resistant Exterior PowerLag Screw 250 Pieces per Pail

The PrimeSource SPAX 3581820801000 5/16 x 4" T-Star Washer Head HCR High Corrosion Resistant Exterior PowerLag Screw 250 Pieces per Pail is a fastener sized (standard residential spec) . Standard hardware spec — designed for residential and commercial construction, framing, finishing, and fastening work. Part of the PrimeSource residential product line, backed by the manufacturer's standard warranty terms as published by PrimeSource. Designed for standard US residential and light-commercial install conditions across new-construction, full remodel, and individual unit replacement work. Sourced direct from the manufacturer or authorized distributor — no compromise on packaging, manufacturer documentation, or warranty coverage. The fastener product family is engineered for the install conditions typical of US residential and light-commercial work.

• The trend setting low profile built-on washer head design offers a contemporary and sleek finished installation. Excellent draw down strength without the need for a separate washer delivers superior clamping ability and a easier installation
• 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
• High Corrosive resistant HCR coating makes these screws ideal for use in treated lumber and exterior applications
• Heat treated Grade 5 Durability. Subjecting the screw to heat treating gives greater strength and reduces breakage
• T-Star plus head provides superior bit engagement. Better bit engagement means quicker installation with less effort