A4 acid-resistant stud bolts in accordance with DIN 938 are reliable fasteners used to connect components with threads. They have a cylindrical body, an unthreaded section and threads at both ends, where the short end is as long as the thickness of the bolt. Made of A4 acid-resistant stainless steel, they give excellent resistance to corrosion in challenging environments. Acid-resistant stud bolts are used in chemical plants, the maritime industry and food production for reliable fastening in acidic or corrosive surroundings.