# Buy Tap bolt Grade 5 at Autoservice ## Tap bolt Grade 5 electrolytically galvanized UNC 5/16x7/8 (5 pieces) Fasteners / Bolts / Studs not metric Strong, electrolytically galvanized tap bolt with UNC 5/16x7/8 thread, ideal for various applications. ## Prices and stock - **SIN-BL-CNC516-78**: € 5,05 incl. VAT — backorder ## Order URL [Tap bolt Grade 5 electrolytically galvanized UNC 5/16x7/8 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/studs-not-metric/stud-bolt-grade-5-electrolitic-zinc-plated-unc-516x78-5pcs) ## Alternate URLs - **nl**: [Tap bolt Grade 5 electrolytically galvanized UNC 5/16x7/8 (5 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/tapbouten-niet-metrisch/tapbout-grade-5-electrolitisch-verzinkt-unc-516x78-5st) - **fr**: [Tap bolt Grade 5 electrolytically galvanized UNC 5/16x7/8 (5 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/boulons/goujons-non-metriques/grade-5-goujon-electrozingue-unc-516x78-5pc) - **en**: [Tap bolt Grade 5 electrolytically galvanized UNC 5/16x7/8 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/studs-not-metric/stud-bolt-grade-5-electrolitic-zinc-plated-unc-516x78-5pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/8075/conversions/tapbout-grade-5-electrolitisch-verzinkt-unc-516x78-5st-9352-optimized.jpg) ## Specifications - **Reference**: SIN-BL-CNC516-78 - **Materiaal**: Staal - **Diameter ⌀**: 5/16 inch - **Lengte (product)**: 7/8" - **Spoed**: 24 TPI - **Sleutelwijdte**: 1/2" - **Normering**: n.v.t. - **Oppervlakte Bedekking**: Electrolitisch Verzinkt - **Soort kop**: Zeskant - **Aantal in verpakking**: 5 - **ADR Classificatie**: Geen ADR Classificatie - **Material**: Steel - **Length (product)**: 7/8" - **Spindle**: 24 TPI - **Key width**: 1/2" - **Standard**: n.v.t. - **Surface Coverage**: Electrolytic Galvanized - **Head type**: Zeskant - **Quantity in packaging unit**: 5 - **ADR Classification**: No ADR Classification ## Product description ### Robust tap bolt for reliable fastening This tap bolt with hex head is made from Grade 5 strength class steel (comparable to 8.8), ensuring high tensile strength and reliability in various applications. The thread is Unified National Coarse (UNC) with a diameter of 5/16 inch and a length of 7/8 inch, corresponding to 7.9 mm and 22 mm respectively. ### Electrolytically galvanized finish for extra protection The electrolytically galvanized (Elvz) finish provides excellent protection against corrosion, making these bolts suitable for use in humid environments and outdoor applications. This extends the lifespan of the fastening and ensures a consistently neat appearance. ### Technical specifications - **DIN/ISO standard** : DIN 933 - **Thread type** : UNC - **Material** : Steel (Grade 5) - **Surface treatment** : Electrolytically galvanized - **Drive type** : External hexagon - **Diameter** : 5/16" (7.9 mm) - **Length** : 7/8" (22 mm) - **Wrench size** : 1/2" - **Head height** : 5.2 mm ### Versatile use in various sectors Thanks to the robust construction and corrosion-resistant finish, these tap bolts are ideal for use in the automotive sector, mechanical engineering, and other industrial applications. They offer a reliable solution for joining and fastening parts where strength and durability are required. ### Easy assembly with standard tools The hex head allows the bolt to be easily tightened with standard tools, such as an open-end or socket wrench. This ensures efficient and trouble-free assembly, both for professionals and DIYers. ### Packaging and availability These tap bolts are supplied in sets of 5 pieces, so you always have enough stock for your projects. They are available directly from stock, so you can quickly get started with your fastening work. ## Breadcrumbs - [Fasteners](https://www.auto-service.be/en/fasteners) - [Bolts](https://www.auto-service.be/en/fasteners/bolts) - [Studs not metric](https://www.auto-service.be/en/fasteners/bolts/studs-not-metric) ## Related products - [Hex bolt Grade 5 electroplated UNC 3/4x2.1/4](https://www.auto-service.be/en/fasteners/bolts/studs-not-metric/stud-bolt-grade-5-electrolitic-zinc-plated-unc-34x214-1st) - [Grade 5 hex bolt electrolytically galvanized UNC 5/16x1.1/4 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/studs-not-metric/stud-bolt-grade-5-electrolitic-zinc-plated-unc-516x114-5pcs) - [Hex bolt Grade 5 electroplated UNC 5/8x1.1/4 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/studs-not-metric/stud-bolt-grade-5-electrolitic-zinc-plated-unc-58x114-5pcs) - [Grade 5 tap bolt electrolytically galvanized UNF 1/2x1.1/4 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/studs-not-metric/stud-bolt-grade-5-electrolitic-zinc-plated-unf-12x114-5pcs) - 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