The API 20E BSL-1 Stud & Nut meets ASME B18.2.1 and ASTM A193 Grade B7/ASTM A194 Grade 2H standards. Available in sizes ranging from 3/8 to 4 inches with customized lengths, these studs and nuts feature either a plain or zinc-plated surface for enhanced durability. Ideal for industrial applications, they ensure strong, secure connections under various operating conditions.