# Buy Locknut DIN985 UNC 5/16-20 at Autoservice ## Locknut DIN985 electrolytically zinc-plated UNC 5/16-20 (100 pieces) Fasteners / Nuts / Locknuts not metric Self-locking hex nut with nylon ring, electrolytically zinc-plated, suitable for UNC 5/16-20 thread. ## Prices and stock - **SIN-INC516**: € 18,25 incl. VAT — backorder ## Order URL [Locknut DIN985 electrolytically zinc-plated UNC 5/16-20 (100 pieces)](https://www.auto-service.be/en/fasteners/nuts/locknuts-not-metric/locknut-6-din985-electrolitic-zinc-plated-unc-516-20-100pcs) ## Alternate URLs - **nl**: [Locknut DIN985 electrolytically zinc-plated UNC 5/16-20 (100 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/moeren/borgmoeren-niet-metrisch/borgmoer-6-din985-electrolitisch-verzinkt-unc-516-20-100st) - **fr**: [Locknut DIN985 electrolytically zinc-plated UNC 5/16-20 (100 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/noix/contre-ecrous-non-metriques/ecrou-indesserrable-6-din985-electrozingue-unc-516-20-100pc) - **en**: [Locknut DIN985 electrolytically zinc-plated UNC 5/16-20 (100 pieces)](https://www.auto-service.be/en/fasteners/nuts/locknuts-not-metric/locknut-6-din985-electrolitic-zinc-plated-unc-516-20-100pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/16844/conversions/borgmoer-6-din985-electrolitisch-verzinkt-unc-516-20-100st-19324-optimized.jpg) ## Specifications - **Reference**: SIN-INC516 ## Product description ### Reliable locking for your screw connections The DIN985 locknut with UNC 5/16-20 thread is designed to prevent loosening due to vibrations or shocks. Thanks to the built-in nylon ring, the nut stays firmly in place, which is essential in applications where reliability is paramount. ### High-quality materials and finish This nut is made from steel of strength class 8 and features an electrolytically zinc-plated coating. This offers: - **Corrosion resistance**: The zinc-plated finish protects against rust formation. - **Durability**: Suitable for long-term use in various environments. ### Specifications - **Standard**: DIN 985 - **Thread type**: UNC 5/16-20 - **Material**: Steel, strength class 8 - **Surface treatment**: Electrolytically zinc-plated - **Locking**: Nylon ring ### Applications in the automotive sector In the automotive industry, it is crucial that fasteners can withstand constant vibrations and movements. This locknut is ideal for: - **Fastening body parts**: Ensures a secure connection without coming loose. - **Engine components**: Keeps critical parts safely in place. ### Advantages of the nylon ring The integrated nylon ring offers: - **Self-locking function**: Prevents loosening without additional locking devices. - **Easy installation**: Can be installed with standard tools. ### Packaging and availability These locknuts are supplied in sets of 100 pieces, which is convenient for both small and large projects. They are available from stock, so you can get started quickly. ### Important considerations - **Single use**: The nylon ring may be less effective after disassembly; it is recommended to replace the nut after use. - **Compatibility**: Ensure that the thread matches UNC 5/16-20 for optimal performance. With this locknut, you are assured of a reliable and durable solution for your fastening needs in the automotive sector. ## Breadcrumbs - [Fasteners](https://www.auto-service.be/en/fasteners) - [Nuts](https://www.auto-service.be/en/fasteners/nuts) - [Locknuts not metric](https://www.auto-service.be/en/fasteners/nuts/locknuts-not-metric) ## Related products - [Locknut DIN985 electroplated UNC 1.1/4](https://www.auto-service.be/en/fasteners/nuts/locknuts-not-metric/locknut-6-din985-electrolitic-zinc-plated-unc-114-1st) - [Locknut DIN985 electroplated zinc UNC 7/16](https://www.auto-service.be/en/fasteners/nuts/locknuts-not-metric/locknut-6-din985-electrolitic-zinc-plated-unc-716-20pcs) - [Locknut DIN985 electroplated zinc UNC 9/16" (5 pieces)](https://www.auto-service.be/en/fasteners/nuts/locknuts-not-metric/locknut-6-din985-electrolitic-zinc-plated-unc-916-5pcs) - [Locknut DIN985 electrolytically galvanized UNF 3/8-24 (50 pieces)](https://www.auto-service.be/en/fasteners/nuts/locknuts-not-metric/locknut-6-din985-electrolitic-zinc-plated-unf-38-24-50pcs) - 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