M8-1.25 x 12mm (20 pcs) Button Head Torx Security Machine Screws Bolts, one Bit Included, 304 Stainless Steel 18/8, Tamper Resistant Screws, Full Thread
Head Diameter: 13.5mm (min)-14mm (max); Head Height: 4.1mm (min)-4.4mm (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.