5/16"-18 X 4" Machine Screws | Indented Hex Head | Slotted Drive | Steel Zinc Plated (200/Pkg.) Zinc Plated providing a built-in washer-like surface

providing a built-in washer-like surface to distribute load and resist loosening in high-vibration environments

and general fastening

fasteners are a reliable choice for precise

These U-bolts come with two nuts and a durable hot-dip galvanized finish to withstand outdoor or marine environments

Thread size: #10-32

5/16"-18 X 4" Machine Screws | Indented Hex Head | Slotted Drive | Steel Zinc Plated (200/Pkg.) Zinc Plated providing a built-in washer-like surfaceOur Machine Screws Slotted Indented Hex Washer Zinc Plated 5 16 18 x 4 are engineered for dependable, high performance fastening in metal assemblies. Featuring a slotted drive for quick installation, an indented hex washer head for a flush finish, and a zinc plated coating for corrosion resistance, these screws are ideal for electrical enclosures, machinery panels, cabinets, and other durable hardware applications. Diameter Thread: 5 16 18 Length: 4