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

Its unique reverse-flow design helps prevent flooding in the event of internal diaphragm failure

When it comes to team projects

Fits 4" DWV schedulle 40/80 pipe

forming a protective waterproof barrier

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