4-40 x 7/16-5/16 Hex Rod Coupling Nut 5/16 inch Across Flats Zinc 5 The 9/16 SAE Flat Washer

The 9/16 SAE Flat Washer Zinc is a thin

ensuring exceptional resistance to heavy loads and demanding applications

Its internal teeth bite into mating surfaces

It has a hexagonal shape with a 1/4-20 thread size and a jam nut design that prevents loosening under vibration

4-40 x 7/16-5/16 Hex Rod Coupling Nut 5/16 inch Across Flats Zinc 5 The 9/16 SAE Flat WasherThis 4 40 x 7 16 5 16 Hex Rod Coupling Nut is a durable and versatile fastener designed for use in a wide range of applications. Made from high quality steel and coated with zinc for corrosion resistance, this nut features a 5 16 inch across flats and is compatible with 4 40 threaded rods. Its hexagonal shape allows for easy tightening and loosening with a standard wrench, making it convenient to use in both indoor and outdoor projects.