304 and 316 Stainless Steel Bolts are comprised of an austenitic Stainless steel that is consumption-safe and solid. Divine Metal and Alloys is the main Manufacturers and Suppliers of various sorts, for example, 316 Stainless Steel Screws in various sizes and norms. The particulars are ASTM and ASME A193 and 194. There are various guidelines as per the Racket, ASTM, BS, and UNS S30400 and UNS S31600 Bolt types.