GRK Fasteners 12137 Round Head Rugged Structural Screws, 50 Count Rainy_Weather Made of rust resistant galvanized

Made of rust resistant galvanized steel with folded edges and ventilation holes

Bright fluorescent orange for daytime visibility

All systems are inexpensive and simple to install

Fits 4" DWV schedulle 40/80 pipe

GRK Fasteners 12137 Round Head Rugged Structural Screws, 50 Count Rainy_Weather Made of rust resistant galvanizedHighlights: Color: Yellow Callout Size: No. 10 Length: 3 1 8 inch Drive Style: Star Head Type: Round Head Product Type: Rugged Structural Screws Number in Package: 50 pk Packaging Type: Clamshell Thread Type: W Cut Indoor or Outdoor: Indoor and Outdoor Self Tapping Finish: Climacoat Driver Bit Included Material: Steel Self Drilling W Cut provides low installation torque which allows for fast driving and ease of install Unique thread design and washer