# Buy Hex Bolt Grade 5 at Autoservice ## Hex bolt Grade 5 electroplated UNF 1/2x3.1/4 (5 pieces) Fasteners / Bolts / Bolts not metric High-quality hex bolt with fine thread, ideal for strong fastenings in automotive applications. ## Prices and stock - **SIN-BL-BNF12-314**: € 22,14 incl. VAT — backorder ## Order URL [Hex bolt Grade 5 electroplated UNF 1/2x3.1/4 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-12x314-5pcs) ## Alternate URLs - **nl**: [Hex bolt Grade 5 electroplated UNF 1/2x3.1/4 (5 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/bouten-niet-metrisch/zeskantbout-grade-5-electrolitisch-verzinkt-unf-12x314-5st) - **fr**: [Hex bolt Grade 5 electroplated UNF 1/2x3.1/4 (5 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/boulons/boulons-non-metriques/grade-5-boulon-electrozingue-unf-12x314-5pc) - **en**: [Hex bolt Grade 5 electroplated UNF 1/2x3.1/4 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-12x314-5pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/7975/conversions/zeskantbout-grade-5-electrolitisch-verzinkt-unf-12x314-5st-9252-optimized.jpg) ## Specifications - **Reference**: SIN-BL-BNF12-314 ## Product description ### Robust hex bolt for reliable fastening This Grade 5 steel hex bolt offers an excellent combination of strength and durability. With a diameter of 1/2 inch and a length of 3.1/4 inch, this bolt is suitable for various applications where a strong connection is required. ### Fine thread for precise assembly The bolt features a Unified National Fine (UNF) thread with 20 threads per inch. This ensures precise and secure assembly, which is essential in applications where precision is important. ### Electroplated finish for extra protection Thanks to the electroplated finish, the bolt is protected against corrosion and wear. This extends its lifespan and ensures reliable performance, even in challenging environments. ### Specifications - **Diameter:** 1/2 inch - **Length:** 3.1/4 inch - **Thread:** UNF with 20 threads per inch - **Material:** Grade 5 steel - **Finish:** Electroplated - **Standard:** ASME B18.2.1 ### Applications in the automotive sector This hex bolt is ideal for use in the automotive sector, where reliable and strong fastenings are crucial. Whether it's for engine parts, chassis connections, or other critical applications, this bolt provides the reliability you need. ### Key benefits - High tensile strength thanks to Grade 5 steel - Precise assembly due to fine UNF thread - Corrosion resistant due to electroplated finish - Suitable for various automotive applications With this hex bolt, you are assured of a high-quality fastening solution that meets the demands of the automotive industry. ## 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 - [Hex bolt Grade 5 electroplated UNC 1/2x3 inch (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unc-12x3in-5st) - [Hex bolt Grade 5 electroplated zinc UNC 5/16x1.1/2 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unc-516x112-5pcs) - 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