# Buy Hex bolt Grade 5 UNF 1/2x3.in. | Autoservice ## Hex bolt Grade 5 electroplated UNF 1/2x3.in. (5 pieces) Fasteners / Bolts / Bolts not metric High-quality hex bolt with UNF 1/2" thread, 3 inch length, electroplated for optimal corrosion protection. ## Prices and stock - **SIN-BL-BNF12-3**: € 19,81 incl. VAT — backorder ## Order URL [Hex bolt Grade 5 electroplated UNF 1/2x3.in. (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-12x3in-5st) ## Alternate URLs - **nl**: [Hex bolt Grade 5 electroplated UNF 1/2x3.in. (5 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/bouten-niet-metrisch/zeskantbout-grade-5-electrolitisch-verzinkt-unf-12x3in-5st) - **fr**: [Hex bolt Grade 5 electroplated UNF 1/2x3.in. (5 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/boulons/boulons-non-metriques/grade-5-boulon-electrozingue-unf-12x3in-5pc) - **en**: [Hex bolt Grade 5 electroplated UNF 1/2x3.in. (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-12x3in-5st) ## Images - ![Product image](https://www.auto-service.be/assets/media/7973/conversions/zeskantbout-grade-5-electrolitisch-verzinkt-unf-12x3in-5st-9250-optimized.jpg) ## Specifications - **Reference**: SIN-BL-BNF12-3 ## Product description ### Robust hex bolt for reliable connections This hex bolt is made from Grade 5 steel, equivalent to strength class 8.8. This ensures high tensile strength and durability, essential for strong and secure connections in various applications. ### Precise UNF 1/2" thread The bolt features a Unified National Fine (UNF) thread of 1/2 inch, with a pitch of 20 threads per inch. This fine thread type ensures a precise fit and increased connection strength, ideal for applications where precision is required. ### Electroplated finish Thanks to the electroplated finish, the bolt is excellently protected against corrosion. This extends the bolt’s lifespan, even in humid or corrosive environments, and ensures a consistently neat appearance. ### Standardization according to ASME B18.2.1 This hex bolt complies with the ASME B18.2.1 standard, meaning it meets international standards for dimensions and tolerances. This guarantees compatibility with other components and reliable performance in various applications. ### Suitable for various applications - Automotive sector - Mechanical engineering - Construction projects - Maintenance and repair work ### Packaging and availability These hex bolts are supplied in sets of 5 pieces, which is convenient for both small and larger projects. They are available from stock, so you can get started with your work right away. ## 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 3/8x2.3/4 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unc-38x234-5pcs) - [Hex bolt Grade 5 electroplated UNF 1/2x2.3/4 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-12x234-5pcs) - [Hex bolt Grade 5 electroplated UNF 5/8x5.1/2](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-58x512-1st) - [Hex bolt Grade 5 electroplated UNF 9/16x3 inch](https://www.auto-service.be/en/fasteners/bolts/bolts-not-metric/hex-bolt-grade-5-electrolitic-zinc-plated-unf-916x3in-1st) - 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