Thread Size: 1/4"-20; Thread Pitch: 20 threads per inch; Screw Length (includes the head part): 2 inch
Package: 20 pcs; Drive Size: No.3, #3
Head Diameter: 0.442 inch (min)--0.477 inch (max); Head Height: 0.153 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.