Hex Flange Nut Din6923
DIN6923 hex flange nut is an integrated anti-loosening fastener with serrated flange face, manufactured to DIN standard.
Materials & Finishes: Grade 4.8/8.8 carbon steel, 304/316 stainless steel; surface options include zinc plating, black oxide and passivation. Full metric sizes M3–M20.
Features: Serrated flange teeth boost friction to prevent self-loosening under vibration; enlarged bearing surface distributes load evenly, eliminating the need for separate washers.
Selling Points: Simplifies assembly and lowers fitting cost; stable locking performance; abundant stock, OEM customization supported, competitive factory direct price.
Applications: Widely used in automotive, machinery, motorcycles, metal structures and vibration-prone industrial fastening.








