Description
The WoodPro Fasteners ST516X518B 5/16″ x 5-1/8″ Exterior Wood Screws 250-Pack are engineered for strength, corrosion resistance, and ease of installation. These steel wood screws feature a round washer head and a Torx-compatible T-30 star drive to reduce cam-out. Designed for use in interior and exterior construction, they include a sharp Type-17 point and patented ASTER threads for smooth drilling and fast starts. The 1,500-hour PPG golden e-coat finish offers reliable protection against the elements, making these screws ideal for outdoor framing and panel fastening projects.
Features:
- 5/16″ x 5-1/8″ length screws for structural wood fastening
- T-30 star drive with included 25mm bit for secure installation
- Patented ASTER thread design for quick starting and reduced effort
- Sharp Type-17 point enables easy drilling into wood surfaces
- PPG Industries 1,500-hour electro-polyseal gold e-coat for corrosion resistance
Benefits:
- Prevents stripping and bit slippage during installation
- Minimizes splitting and ensures smooth penetration
- Coating resists chipping and protects in harsh environments
- Suitable for both interior and exterior construction applications
- Excellent choice for post-to-pole framing and insulation panels
Technical Specifications:
- Material: Steel (Alloy)
- Drive System: Torx (T-30 Star)
- Head Style: Square Washer Head
- Finish: PPG Golden 1,500-Hour E-Coat
- Thread Size: 5/16″
- Length: 5-1/8″
- Thread Style: Right Hand, Partially Threaded
- Point Style: Type 17
- Fastener Type: Wood Screws
- Item Diameter: 0.31″
- Compatible Groove Diameter: 0.26″
- Number of Pieces: 250
- Item Weight: 12.41 lbs
- Part Number: ST516X518B
- Usage: Interior and Exterior
- UPC: 649853885855






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