(8 Sets) 5/16 -18 x 3 Carriage Bolt with Hex Nuts and Flat Washers SAE Round Head Square Neck Bolts 304 Stainless Steel 18-8 Full Thread UNC

Standard: ASME/ANSI B18.5 Thread Size: 5/16 inch; Thread Pitch: 18 threads per inch (TPI) Head Diameter: 0.688 inch to 0.719 inch; Head Height: 0.156 inch to 0.176 inch Screw Length (include the square neck): 3 inch Material: 304 Stainless Steel 18-8 that you will probably see in your pans and cookery tools. It s used for a wide variety of home and commercial applications. Because of its slightly higher strength and wear resistance than type 316 it s also used for nuts bolts screws and other fasteners.