5/16"-18 X 3" Machine Screws | Round Head | Combination Drive | Steel Zinc Plated (100/Pkg.) PMX This robust U-bolt set delivers

This robust U-bolt set delivers a secure grip for securing pipes

Manufactured to MIL-SPEC MS35307-372 dimensional tolerances for consistent fit across production runs

Steel construction delivers reliable strength for structural and mechanical joints

long-lasting performance in woodworking

sized 4-40 x 1/4 inch

5/16"-18 X 3" Machine Screws | Round Head | Combination Drive | Steel Zinc Plated (100/Pkg.) PMX This robust U-bolt set deliversIntroducing the Machine Screws Combo Round Steel Zinc 5 16 18 x 3 a reliable fastening solution designed for metal enclosures, machinery, and everyday hardware projects. This combo pack features round head machine screws crafted from steel with a durable zinc plating for corrosion resistance and long lasting performance. Whether you're assembling panels, electronics enclosures, or structural components, these screws provide precise 5 16 18 threading