M4 x 40mm Wing Screws (DIN 316) - A2 Stainless Steel Our Wing Screws (DIN 316) are made from A2 Stainless Steel. These screws are designed for maximum durability and efficiency, perfect for a variety of industrial and commercial applications. One of the unique features of our wing screws is the winged head design, which provides a secure grip and allows for easy hand tightening without the need for tools. This feature is especially beneficial in applications where frequent adjustments or removal of the screws are required. Each screw is manufactured to DIN 316 standard, ensuring consistent and reliable performance. These are made from A2 Stainless Steel which provides corrosion and oxidation resistance. For larger quantities or custom sizes, please email and one of our team will provide you with a quotation. M4 x 40mm Wing Screws (DIN 316) - A2 Stainless Steel