SWEBOLT & BOTNIA BOLT supply threaded rods according to DIN 976 in S355J2 structural steel, with a plain (untreated) surface. This impact-resistant steel grade is designed for construction, infrastructure, and maintenance where high toughness and weldability are required. The rods are suitable for heavy-duty applications in both fabrication and assembly. Supplied in standard 2 m lengths or cut to length. EN 10204 3.1 material certificates available upon request.