Natural finish thick hex nut is a high‑height hexagonal nut with increased thickness compared with standard hex nut. Longer thread engagement improves load‑bearing capacity and reduces risk of thread stripping. Natural finish keeps original metal surface without plating. Material: carbon steel, stainless steel 304 / 316. Finishes: original metal natural finish, natural passivation. Suitable for heavy‑load assembly, machinery, equipment and vibration‑prone working conditions.