WoodPro Exterior Wood Screws 5/16 x3-1/8 (ST516X318-25PC)

WoodPro Fasteners ST516X318-25PC 5/16-inch by 3-1/8-inch round washer head exterior wood screws are designed for secure and efficient fastening in both interior and exterior construction projects. Coated with PPG Industries’ 1,500-hour golden Electro-Polyseal for advanced corrosion resistance, these steel screws feature a T-30 Star drive that reduces slippage and ensures smooth installation. With a sharp Type-17 point and patented ASTER thread, these screws offer quick starts and easy penetration, making them ideal for post-to-pole framing and insulation panels.

Features

5/16″ x 3-1/8″ length with included 25mm T-30 Star bitTorx-compatible T-30 Star drive reduces bit slippagePatented ASTER thread enables fast startsSharp Type-17 point ensures smooth drillingGold PPG 1,500-hour E-Coat resists corrosion

Benefits

Secure drive system for reduced stripping and faster installationLonger screw length offers strong holding power for deep fasteningDurable steel construction supports interior and exterior useConsistent coating prevents recess fill for clean resultsIdeal for framing, structural panels, and wood assemblies

Technical Specifications

Brand: WoodPro FastenersPart Number: ST516X318-25PCSize: 5/16 x 3-1/8 InchMaterial: SteelFinish: PPG Golden 1,500 Hour E-CoatHead Style: SquareDrive System: Torx T-30Cutting Diameter: 0.31 InchesUsage: Interior and ExteriorPieces per Pack: 25Item Dimensions: 8.9 x 8.9 x 6.1 cmItem Weight: 68 gCountry of Origin: Taiwan