M8‑1.25 Metric Hex Serrated Flange Nut, Class 8, Coarse Thread, Plain Finish

Manufactured from Class 8 steel, this M8‑1.25 hex serrated flange nut delivers strong, vibration‑resistant fastening in metric assemblies. The serrated flange bites into the mating surface to help prevent loosening and eliminates the need for a separate washer. Finished plain, it is best suited for dry, non‑corrosive automotive, industrial, and general‑purpose applications requiring secure locking performance.