SWEBOLT & BOTNIA BOLT supply Electro-galvanized ZN threaded rods DIN 976, class 4.8, made from carbon steel per ISO 898-1. An economical option where only light corrosion protection is needed such as indoor and sheltered environments in construction, installation, and maintenance. Bright zinc finish ensures a clean appearance and consistent performance. Supplied in 1–3 m lengths or cut to length with CE marking available upon request. EN 10204 3.1 certificates available.