Description
The WoodPro ST516X518-25PC 5/16″ x 5-1/8″ Exterior Wood Screws are engineered for strength and corrosion resistance in demanding outdoor and structural applications. Featuring a gold galvanized PPG 1,500-hour E-Coat, these steel screws are built to last through harsh conditions. The round washer head and Torx-compatible T-30 star drive offer secure fastening with minimal slippage, while the patented ASTER thread and Type-17 point ensure quick starts and smooth drilling. Ideal for post-to-pole framing, insulation panels, and general wood fastening.
Features:
- 5/16″ diameter x 5-1/8″ length wood screws
- Includes 25mm T-30 star bit
- Round washer head with Torx-compatible star drive
- Gold galvanized PPG 1,500-hour Electro-Polyseal E-Coat
- Patented ASTER thread for fast starting
- Sharp Type-17 point for easy penetration
Benefits:
- High corrosion resistance for long-lasting outdoor use
- Reduces bit slippage with secure star drive
- Effortless drilling in wood materials
- Ideal for structural and exterior wood fastening tasks
- Reliable performance in harsh environments
Technical Specifications:
- Material: Steel (Alloy Steel)
- Drive System: Torx (T-30)
- Head Style: Round Washer Head
- Finish: Gold Galvanized with PPG 1,500-Hour E-Coat
- Thread Size: 5/16″
- Length: 5-1/8″
- Thread Type: ASTER, Right Hand
- Point Style: Type 17
- Package Quantity: 25 screws + 1 star bit
- Item Weight: 1.26 lbs
- Made in: Taiwan





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