Marine Bolt Supply proudly offers a wide variety of stainless steel bolts in several sizes and styles such as hex head, socket style, carriage, and lag bolts. Most of our inventory is available in both type 18-8 and 316 stainless steel bolts. Type 18-8 are standard grade, while 316 is a superior type often referred to as marine-grade steel. It’s known for its durability against harsh conditions that cause rust or corrosion. While 18-8 and 316 stainless steel bolts have a similar strength composition, restaurants, hospitals, and water treatment facilities are best served by marine-grade products. Checkout our unique collection below, and contact us with any questions or concerns. Our highly-trained staff can help you! Can’t find what you’re looking for? Check out our stainless steel screws for more options.  

Please select the screw category below that best suits your needs.