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OnBuy.com£7.75Visit shop Serrated Flange Locking Nuts A2 Stainless Steel Din 6923 5056826610492
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B&Q£12.18Visit shop B&Q - A2 Stainless Steel Serrated Flange NutsDin 6923 Locking NutsM5Pack Of 100
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The Diyuk Serrated Flange Nuts (DIN 6923) are essential hardware for automotive, machinery, and industrial professionals who require a secure, vibration-resistant connection without the complexity of traditional multi-part fastening systems. By integrating a serrated flange directly into the nut, this product acts as both a fastener and a washer, significantly reducing assembly time and part counts while ensuring high-torque holding power; however, users should be aware that the aggressive serrations can mar softer surfaces, making them less ideal for delicate or finished materials that require a scratch-free finish.
| Model Part Number | DIN 6923 |
|---|---|
| Brand | Diyuk |
While they can be reused for light applications, it is best practice to replace them if the serrated teeth have become significantly flattened or damaged.
No, the integrated flange design serves the function of both a washer and a locking mechanism, which is one of their primary benefits.
They are compatible with any metric bolt that matches the specific diameter and thread pitch specified by the DIN 6923 standard.
The serrations are designed to dig into the surface for grip. They will likely scratch or mar soft materials, wood, or delicate coatings.
Yes, their primary design intent is to prevent loosening under heavy vibration, making them ideal for automotive and engine components.
It is the German industrial standard (Deutsches Institut für Normung) that defines the specific dimensions, threads, and serration patterns for these flange nuts.
Check the thread pitch to ensure it matches your bolt and clean any debris or rust from the bolt threads.
The serrations are designed to bite into the surface; for delicate surfaces, place a thin flat washer between the flange and the material.
Verify that the surface beneath the nut is flat and clean; serrations require firm contact with a solid surface to lock effectively.
To achieve optimal performance, ensure that the mating surface is clean and free of debris before threading. When installing, use a calibrated torque wrench to ensure the nut reaches the manufacturer's specified tension for your particular bolt grade.
Because these nuts are manufactured to DIN 6923 standards, they are fully compatible with any standard metric bolt of the same thread pitch and diameter. Regarding maintenance, perform periodic inspections to ensure no heavy corrosion has compromised the grip of the serrations. If you are reusing the nuts after a major disassembly, check the serrations for wear; if the teeth appear flattened or rounded, the locking efficiency is reduced and the nut should be replaced.
