# Buy hex bolt Grade 5 at Autoservice ## Hex bolt Grade 5 electroplated UNF 1/2x2.1/4 (5 pieces) Fasteners / Bolts / Bolts not metric Strong hex bolt with fine UNF thread, ideal for precise applications. ## Prices and stock - **SIN-BL-BNF12-214**: € 18,35 incl. VAT — backorder ## Order URL [Hex bolt Grade 5 electroplated UNF 1/2x2.1/4 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-12x214-5pcs) ## Alternate URLs - **nl**: [Hex bolt Grade 5 electroplated UNF 1/2x2.1/4 (5 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/bouten-niet-metrisch/zeskantbout-grade-5-electrolitisch-verzinkt-unf-12x214-5st) - **fr**: [Hex bolt Grade 5 electroplated UNF 1/2x2.1/4 (5 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/boulons/boulons-non-metriques/grade-5-boulon-electrozingue-unf-12x214-5pc) - **en**: [Hex bolt Grade 5 electroplated UNF 1/2x2.1/4 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-12x214-5pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/7971/conversions/zeskantbout-grade-5-electrolitisch-verzinkt-unf-12x214-5st-9248-optimized.jpg) ## Specifications - **Reference**: SIN-BL-BNF12-214 ## Product description ### Robust hex bolt for precise connections This Grade 5 steel hex bolt provides the strength you need for reliable connections in various applications. With a diameter of 1/2 inch and a length of 2.1/4 inch, this bolt is suitable for situations where precision and durability are required. ### Fine UNF thread for accurate assembly The Unified National Fine (UNF) thread with 20 threads per inch ensures a tighter fit and higher tensile strength. This makes the bolt ideal for applications where vibrations and dynamic loads occur, such as in the automotive sector. ### Electroplated finish for extra protection The electroplated layer offers effective protection against corrosion, making the bolt suitable for use in humid or corrosive environments. This extends the lifespan of the connections and reduces maintenance costs. ### Technical specifications - **Material** : Grade 5 steel (comparable to 8.8) - **Diameter** : 1/2 inch (12.7 mm) - **Length** : 2.1/4 inch (57 mm) - **Thread type** : UNF with 20 threads per inch - **Wrench size** : 3/4 inch (19.05 mm) - **Head height** : 0.3125 inch (7.94 mm) ### Applications in the automotive sector This hex bolt is particularly suitable for use in cars, where precise and strong connections are essential. Think of fastening engine parts, suspension systems, and other critical components. The combination of Grade 5 steel and UNF thread ensures a reliable and durable assembly. ### Packaging and availability The bolts are supplied in sets of 5 pieces, so you always have enough stock for your projects. They are available directly from stock, so you can quickly get started with your assembly work. ## Breadcrumbs - [Fasteners](https://www.auto-service.be/en/fasteners) - [Bolts](https://www.auto-service.be/en/fasteners/bolts) - [Bolts not metric](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric) ## Related products - [Grade 5 electrolytically zinc-plated hex bolt UNC 1" x 6"](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/grade-5-electrolitic-zinc-plated-bolt-unc-1inx6in-1st) - [Hex bolt Grade 5 electroplated UNC 5/8x2.1/2](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unc-58x212-1st) - [Hex bolt Grade 5 electroplated UNF 3/4x5 inch](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-34x5in-1st) - [Hex bolt Grade 5 electroplated UNF 7/16x5 inch (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-716x5in-5st) - 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