SWEBOLT & BOTNIA BOLT supply threaded rods according to DIN 976, strength class 12.9, with a plain (untreated) surface. Manufactured from high-tensile alloy steel in compliance with ISO 898-1, these rods provide very high strength and precision for demanding mechanical and structural applications. Suitable for heavy machinery, tooling, jigs/fixtures, and engineering installations requiring maximum load capacity. The plain surface allows later coating or finishing if specified. Supplied in standard 1–3 m lengths or cut to length with CE marking available upon request. EN 10204 3.1 material certificates available.