Head Diameter: 9.14mm(min)--9.5mm (max); Head Height: 3.52mm (min)--3.7mm (max)
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.