WoodPro Fasteners 5/16 x3-1/8 Round Washer Head Exterior Screws (ST516X318-25PC)

WoodPro Fasteners ST516X318-25PC 5/16-Inch by 3-1/8-Inch Length Round Washer Head Exterior Wood Screws, 25-Pack offer durable steel construction with a gold galvanized finish designed for exterior use. These wood screws feature a square head style and Torx T-30 drive for secure fastening and reduced bit slippage. Coated with PPG Industries’ 1,500-hour golden Electro-Polyseal finish, they resist corrosion and chipping. The patented ASTER thread and sharp Type-17 point ensure quick starting and easy drilling for post framing, insulation, and other outdoor projects.

Features5/16 x 3-1/8 inch steel screws with square head styleT-30 Star Drive, Torx compatible for secure fasteningPatented ASTER thread for fast startsSharp Type-17 point for efficient drillingPPG 1,500-hour golden E-Coat for corrosion resistanceIncludes one 25mm T-30 star bitBenefitsEnhanced corrosion protection for exterior applicationsReduced bit slippage for smoother installationQuick and effortless screw driving saves timeVersatile use for post framing and insulation panelsDurable steel construction ensures long-lasting performanceTechnical SpecificationsMaterial: SteelDrive system: Torx T-30 Star DriveHead style: SquareLength: 3-1/8 inchesFinish: Gold Galvanized, PPG 1,500-hour E-CoatPackage quantity: 25 screwsDimensions (L x W x H): 8.9 x 8.9 x 6.1 cmWeight: 68 gCountry of origin: TaiwanUsage: Interior and exterior applications