4-40 x 5/16 Phillips Truss Full Contour Machine Screw Fully Threaded Zinc 10-32-.080 It has a 9/16" across

It has a 9/16" across flats measurement

such as roofing

while the grade 5 rating ensures strength and reliability

These 3/4-10 x 2 1/4 Hex Tap Bolts are fully threaded and made of low carbon steel with a zinc coating for corrosion resistance

4-40 x 5/16 Phillips Truss Full Contour Machine Screw Fully Threaded Zinc 10-32-.080 It has a 9/16" acrossThe 4 40 x 5 16 Phillips Truss Full Contour Machine Screw Fully Threaded Zinc is a versatile and durable fastener designed for a wide range of applications. Made from high quality steel, this screw features a Phillips drive head for easy installation and removal. The full contour truss head provides a low profile and a clean, finished appearance. The fully threaded design allows for maximum holding power, making it ideal for use in wood, metal, and