# Buy uninsulated ring terminal 2.5 mm² M4 at Autoservice ## Uninsulated ring terminal 2.5 mm² M4 for reliable electrical connections Electrical / Non-insulated terminal lugs / Starter eyes open model Uninsulated ring terminal suitable for 2.5 mm² cables with M4 bolt hole, ideal for secure electrical connections. ## Prices and stock - **SIN-BL-SC60254**: € 2,18 incl. VAT — 1 in stock ## Order URL [Uninsulated ring terminal 2.5 mm² M4 for reliable electrical connections](https://www.auto-service.be/en/electrical/non-insulated-terminal-lugs/starter-eyes-open-model/starter-eye-uninsulated-25mm2m4-1) ## Alternate URLs - **nl**: [Uninsulated ring terminal 2.5 mm² M4 for reliable electrical connections](https://www.auto-service.be/nl/elektro/ongeisoleerde-kabelschoenen/starterogen-open-model/starteroog-ongeisoleerd-25mm2m4-1st) - **fr**: [Uninsulated ring terminal 2.5 mm² M4 for reliable electrical connections](https://www.auto-service.be/fr/electrique/ongeisoleerde-cable-shoes/demarreur-yeux-ouverts-modele-ouvert/cosse-a-oeillet-non-isolee-25mm2m4-1pc) - **en**: [Uninsulated ring terminal 2.5 mm² M4 for reliable electrical connections](https://www.auto-service.be/en/electrical/non-insulated-terminal-lugs/starter-eyes-open-model/starter-eye-uninsulated-25mm2m4-1) ## Images - ![Product image](https://www.auto-service.be/assets/media/18578/conversions/starteroog-ongeisoleerd-25mm2m4-1st-21209-optimized.jpg) ## Specifications - **Reference**: SIN-BL-SC60254 - **Materiaal**: Koper - **Kleur**: Zilver - **Diameter ⌀**: M4 - **Kwadratuur**: 2,50 mm² - **Uitvoering (geisoleerd/ongeisoleerd)**: Ongeisoleerd - **Aantal in verpakking**: 1 - **Material**: Copper - **Color**: Silver - **Quadrature**: 2,50 mm² - **Execution (insulated/uninsulated)**: Insulated - **Quantity in packaging unit**: 1 ## Product description ### Application and functionality The uninsulated ring terminal is designed for connecting electrical cables with a cross-section of 2.5 mm² to components with an M4 bolt. This type of cable lug is widely used in the automotive sector and other industrial applications where reliable electrical connections are essential. ### Technical specifications - **Nominal cross-section:** 2.5 mm² - **Bolt size:** M4 - **Material:** Copper with tinned finish - **Insulation:** None (uninsulated) ### Advantages of uninsulated ring terminals - **Reliable connection:** The tinned copper construction ensures excellent electrical conductivity and corrosion resistance. - **Flexibility in use:** Suitable for various applications, including automotive and industrial installations. - **Easy installation:** The uninsulated design allows for quick inspection and easy installation. ### Installation instructions 1. Strip about 5 mm of insulation from the cable. 2. Insert the exposed wire into the sleeve of the ring terminal. 3. Use a suitable crimping tool to firmly crimp the sleeve onto the wire. 4. Attach the terminal to the desired M4 bolt and tighten securely. ### Compatibility and alternatives This ring terminal is compatible with 2.5 mm² cables and M4 bolts. For other cable cross-sections or bolt sizes, alternative sizes are available, such as M5 or M6, depending on specific application requirements. ### Maintenance and durability Thanks to the tinned finish, the ring terminal offers increased resistance to corrosion, extending the lifespan of the electrical connection. Regular inspection of the connections is recommended to ensure optimal performance. ## Breadcrumbs - [Electrical](https://www.auto-service.be/en/electrical) - [Non-insulated terminal lugs](https://www.auto-service.be/en/electrical/non-insulated-terminal-lugs) - [Starter eyes open model](https://www.auto-service.be/en/electrical/non-insulated-terminal-lugs/starter-eyes-open-model) ## Related products - [Uninsulated starter eye 185mm² M12 for reliable electrical connections](https://www.auto-service.be/en/electrical/non-insulated-terminal-lugs/starter-eyes-open-model/starter-eye-uninsulated-185mm2m12-1) - [Uninsulated starter eye 25mm² M10 for reliable electrical connections](https://www.auto-service.be/en/electrical/non-insulated-terminal-lugs/starter-eyes-open-model/starter-eye-uninsulated-25mm2m10-1) - [Uninsulated starter eye 6mm² M12 for reliable electrical connections](https://www.auto-service.be/en/electrical/non-insulated-terminal-lugs/starter-eyes-open-model/starter-eye-uninsulated-6mm2m12-1) - 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