# Buy Hex bolt Grade 5 UNF 5/16x2.1/2 at Autoservice ## Hex bolt Grade 5 electroplated UNF 5/16x2.1/2 (5 pieces) Fasteners / Bolts / Bolts not metric High-quality hex bolt with UNF thread, ideal for strong fastening in various applications. ## Prices and stock - **SIN-BL-BNF516-212**: € 8,99 incl. VAT — 3 in stock ## Order URL [Hex bolt Grade 5 electroplated UNF 5/16x2.1/2 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-516x212-5pcs) ## Alternate URLs - **nl**: [Hex bolt Grade 5 electroplated UNF 5/16x2.1/2 (5 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/bouten-niet-metrisch/zeskantbout-grade-5-electrolitisch-verzinkt-unf-516x212-5st) - **fr**: [Hex bolt Grade 5 electroplated UNF 5/16x2.1/2 (5 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/boulons/boulons-non-metriques/grade-5-boulon-electrozingue-unf-516x212-5pc) - **en**: [Hex bolt Grade 5 electroplated UNF 5/16x2.1/2 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-516x212-5pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/8007/conversions/zeskantbout-grade-5-electrolitisch-verzinkt-unf-516x212-5st-9284-optimized.jpg) ## Specifications - **Reference**: SIN-BL-BNF516-212 ## Product description ### Robust hex bolt for reliable fastening This hex bolt with a diameter of 5/16 inch and a length of 2.1/2 inch is made from Grade 5 steel, equivalent to strength class 8.8. This guarantees high tensile strength and durability, essential for demanding applications. ### Fine UNF thread for precise assembly Equipped with Unified National Fine (UNF) thread, this bolt offers a finer pitch of 24 threads per inch. This results in a stronger connection and is particularly suitable for applications where precision and reliability are required. ### Electroplated finish for extra protection The electroplated coating protects the bolt against corrosion and wear, significantly extending its lifespan. This makes the bolt suitable for use in various environments, both indoors and outdoors. ### Technical specifications - **Standard** : DIN 931 - **Material** : Steel (Grade 5 / 8.8) - **Surface treatment** : Electroplated - **Thread type** : UNF 5/16-24 - **Length** : 2.1/2 inch (63 mm) - **Wrench size** : 1/2 inch - **Head height** : 5.2 mm ### Applications in various sectors This hex bolt is ideal for use in the automotive sector, mechanical engineering, and other industrial applications where strong and reliable fastenings are necessary. The combination of high-quality materials and precise threading ensures optimal performance in critical connections. ### Packaging and availability The bolts are supplied in sets of 5 pieces, so you always have enough stock for your projects. Thanks to the standard dimensions and specifications, they are easy to integrate into existing systems and applications. ## 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 zinc UNC 1/4x2.in (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unc-14x2in-5st) - [Hex bolt Grade 5 electroplated UNC 5/8x5 inch](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unc-58x5in-1st) - [Hex bolt Grade 5 electroplated UNF 1/4x1.1/2 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-14x112-5pcs) - [Hex bolt Grade 5 electroplated UNF 5/8 x 3 inch](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-58x3in-1st) - 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