Screws details
WoodPro Fasteners 5/16"x3-1/8" Round Washer Head Exterior Screws (ST516X318-25PC) (Model ST516X318B)
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.
5/16 x 3-1/8 inch steel screws with square head style
T-30 Star Drive, Torx compatible for secure fastening
Patented ASTER thread for fast starts
Sharp Type-17 point for efficient drilling
PPG 1,500-hour golden E-Coat for corrosion resistance
Includes one 25mm T-30 star bit
Enhanced corrosion protection for exterior applications
Reduced bit slippage for smoother installation
Quick and effortless screw driving saves time
Versatile use for post framing and insulation panels
Durable steel construction ensures long-lasting performance
Technical Specifications
Drive system: Torx T-30 Star Drive
Head style: Square
Length: 3-1/8 inches
Finish: Gold Galvanized, PPG 1,500-hour E-Coat
Package quantity: 25 screws
Dimensions (L x W x H): 8.9 x 8.9 x 6.1 cm
Country of origin: Taiwan
Usage: Interior and exterior applications
Product identification
- Brand: WoodPro Fasteners
- Model / MPN: ST516X318B
