Standard: ISO7380; Thread Type: Full Thread, Coarse Thread UNC Thread Size: 3mm; Thread Pitch: 0.5mm; Thread Length: 10mm Package: 100 PCS; Hex Drive Size: 2mm Head Diameter: 5.4mm (min)-5.7mm (max); Head Height:1.4mm (min)-1.6mm (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. M3-0.5 x 10mm (100 pcs) Button Socket Head Cap Screws, Hexagon Head, Allen Hex Drive, 304 Stainless Steel 18/8, ISO 7380