Flange Nut (Serrated Flange Nut / Hex Flange Nut / DIN 6923 Nut) – Features, Grades, Technical Data & Applications
Flange nuts are one of the most versatile fastening components widely used in automotive, machinery, and construction industries. They feature an integrated washer-like flange at the base, which distributes the clamping load and prevents damage to the surface.
, including alternative names, features, grades, technical data, functions, and applications.
● DIN 6923 Nut
Eliminates the need for a separate washer.
01
Provides self-locking function by biting into the mating surface.
02
Reduces the risk of surface damage and improves fastening stability.
03
Available in various grades suitable for heavy-duty applications.
04
Different surface coatings available (zinc-plated, hot-dip galvanized, black oxide).
05
: Grades 8, 10, 12
: A2-70, A4-80
: For high-strength industrial use
DIN 6923
ISO 4161
JIS B 1190
Hot-Dip Galvanized
– anti-glare, mild protection
without the need for a washer.
under vibration (serrated type).
, minimizing surface wear.
since one piece replaces nut + washer.
Engines, chassis, suspension, exhaust systems.
Heavy machinery, industrial machines.
Fastening steel structures and frames.
Securing brackets and supports.
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