# Buy hex bolt grade 5 UNF 3/4x5.1/2 at Autoservice ## Hex bolt grade 5 electroplated UNF 3/4x5.1/2 Fasteners / Bolts / Bolts not metric High-quality hex bolt with fine UNF thread, ideal for precise applications. ## Prices and stock - **SIN-BL-BNF34-512**: € 16,51 incl. VAT — backorder ## Order URL [Hex bolt grade 5 electroplated UNF 3/4x5.1/2](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-34x512-1st) ## Alternate URLs - **nl**: [Hex bolt grade 5 electroplated UNF 3/4x5.1/2](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/bouten-niet-metrisch/zeskantbout-grade-5-electrolitisch-verzinkt-unf-34x512-1st) - **fr**: [Hex bolt grade 5 electroplated UNF 3/4x5.1/2](https://www.auto-service.be/fr/materiel-de-fixation/boulons/boulons-non-metriques/grade-5-boulon-electrozingue-unf-34x512-1pc) - **en**: [Hex bolt grade 5 electroplated UNF 3/4x5.1/2](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-34x512-1st) ## Images - ![Product image](https://www.auto-service.be/assets/media/7993/conversions/zeskantbout-grade-5-electrolitisch-verzinkt-unf-34x512-1st-9270-optimized.jpg) ## Specifications - **Reference**: SIN-BL-BNF34-512 ## Product description ### Robust construction for reliable fastening This hex bolt is made from high-quality steel and meets Grade 5 specifications, ensuring excellent tensile strength and durability. The electrolytic zinc plating provides effective protection against corrosion, making the bolt suitable for various applications, both indoors and outdoors. ### Precise dimensions for accurate applications With a diameter of 3/4 inch and a length of 5.1/2 inch, this bolt is ideal for situations where precision is required. The Unified National Fine (UNF) thread with 16 threads per inch ensures a strong and precise connection, essential in applications where vibrations and dynamic loads occur. ### Versatile use in various sectors Thanks to the combination of strength, corrosion resistance, and precise threading, this hex bolt is suitable for: - Automotive industry - Mechanical engineering - Construction projects ### Compliance with international standards This bolt complies with the ASME B18.2.1 standard, ensuring compatibility with other components and systems. The hex head allows the bolt to be easily and securely tightened with standard tools. ### Key specifications - **Diameter:** 3/4 inch - **Length:** 5.1/2 inch - **Thread:** UNF, 16 threads per inch - **Material:** Steel, Grade 5 - **Surface treatment:** Electrolytic zinc plated - **Standard:** ASME B18.2.1 ### Application benefits - **High tensile strength:** Suitable for heavy loads - **Corrosion resistant:** Long-lasting protection against rust - **Precise threading:** Ensures a strong and reliable connection With this hex bolt, you choose a reliable and durable fastening solution that meets high quality standards. ## 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 1/2x4 inch](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unc-12x4in-1st) - [Hex bolt Grade 5 electroplated UNC 9/16x3 inch](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unc-916x3in-1st) - [Hex bolt Grade 5 electroplated UNF 5/8x2.1/4](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-58x214-1st) - [Hex bolt Grade 5 electroplated UNF 1/2x2.in. 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