Description
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 bit
- Torx-compatible T-30 Star drive reduces bit slippage
- Patented ASTER thread enables fast starts
- Sharp Type-17 point ensures smooth drilling
- Gold PPG 1,500-hour E-Coat resists corrosion
Benefits
- Secure drive system for reduced stripping and faster installation
- Longer screw length offers strong holding power for deep fastening
- Durable steel construction supports interior and exterior use
- Consistent coating prevents recess fill for clean results
- Ideal for framing, structural panels, and wood assemblies
Technical Specifications
- Brand: WoodPro Fasteners
- Part Number: ST516X318-25PC
- Size: 5/16 x 3-1/8 Inch
- Material: Steel
- Finish: PPG Golden 1,500 Hour E-Coat
- Head Style: Square
- Drive System: Torx T-30
- Cutting Diameter: 0.31 Inches
- Usage: Interior and Exterior
- Pieces per Pack: 25
- Item Dimensions: 8.9 x 8.9 x 6.1 cm
- Item Weight: 68 g
- Country of Origin: Taiwan
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