# Buy hex bolt Grade 5 UNC 5/8x3.1/4 at Autoservice ## Hex bolt grade 5 electroplated UNC 5/8x3.1/4 Fasteners / Bolts / Bolts not metric Robust hex bolt with UNC 5/8x3.1/4 thread, Grade 5 strength and electroplated finish. ## Prices and stock - **SIN-BL-BNC58-314**: € 5,66 incl. VAT — backorder ## Order URL [Hex bolt grade 5 electroplated UNC 5/8x3.1/4](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unc-58x314-1st) ## Alternate URLs - **nl**: [Hex bolt grade 5 electroplated UNC 5/8x3.1/4](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/bouten-niet-metrisch/zeskantbout-grade-5-electrolitisch-verzinkt-unc-58x314-1st) - **fr**: [Hex bolt grade 5 electroplated UNC 5/8x3.1/4](https://www.auto-service.be/fr/materiel-de-fixation/boulons/boulons-non-metriques/grade-5-boulon-electrozingue-unc-58x314-1pc) - **en**: [Hex bolt grade 5 electroplated UNC 5/8x3.1/4](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unc-58x314-1st) ## Images - ![Product image](https://www.auto-service.be/assets/media/7945/conversions/zeskantbout-grade-5-electrolitisch-verzinkt-unc-58x314-1st-9221-optimized.jpg) ## Specifications - **Reference**: SIN-BL-BNC58-314 ## Product description ### High-quality hex bolt for strong connections This hex bolt with a diameter of 5/8 inch and a length of 3.1/4 inch is designed for applications where reliability and strength are essential. Thanks to the Grade 5 classification, this bolt offers excellent tensile strength, making it suitable for various industrial and automotive applications. ### Specifications and dimensions - **Diameter**: 5/8 inch (15.88 mm) - **Length**: 3.1/4 inch (82.55 mm) - **Thread**: Unified National Coarse (UNC) with 11 threads per inch - **Wrench size**: 15/16 inch (23.81 mm) - **Head height**: 0.390625 inch (9.92 mm) ### Material and finish Made from high-quality steel according to SAE J429 Grade 5, this bolt offers an optimal balance between strength and flexibility. The electroplated finish provides increased corrosion resistance, extending the bolt's lifespan even in humid or corrosive environments. ### Applications and benefits This hex bolt is ideal for: - **Automotive applications**: Fastening engine parts, chassis components, and other critical connections. - **Industrial constructions**: Assembly of machines, steel structures, and other heavy-duty applications. Benefits of this bolt: - **High tensile strength**: Suitable for high-load applications. - **Corrosion resistant**: Thanks to the electroplating, resistant to rust and corrosion. - **Easy installation**: The hex head allows for easy tightening with standard tools. ### Standards and quality This bolt complies with the ASME B18.2.1 standard, ensuring precise dimensions and high quality standards. The Grade 5 classification according to SAE J429 confirms the high mechanical properties of the bolt, ensuring a reliable and durable connection. ### Compatibility and accessories For optimal connection, it is recommended to combine this bolt with matching hex nuts and washers of Grade 5 quality. This ensures uniform strength and prevents weak links in the connection. With this hex bolt, you choose a reliable and durable solution for all your fastening needs in both automotive and industrial 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 inch x 4 1/2 inch](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unc-1inx412-1st) - [Hex bolt Grade 5 electroplated UNC 5/16x2.1/4 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unc-516x214-5pcs) - [Hex bolt Grade 5 electroplated UNF 3/8x1.1/2 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-38x112-5pcs) - [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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