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Screw nuts – secure fastening for engine systems

Screw nuts are fundamental components for assembling and securing mechanical structures, especially in engine and industrial systems. Whether used in combustion engines, marine machinery or stationary equipment – high-quality screw nuts ensure reliable fastening under high loads, vibrations and temperature fluctuations. They are essential for safety, serviceability and long-term performance.

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HEX LOCK NUT VM10-8-MAN183-A3R - 06112690010 suitable for MAN D-engines

HEX LOCK NUT VM10-8-MAN183-A3R - 06112690010 suitable for MAN D-engines

Rely on the Hex lock nut vm10-8-man183-a3rDiscover the Hex lock nut vm10-8-man183-a3r with the comparison number 06112690010, specifically designed to meet the demands of engines compatible with MAN D. This product is an OEM spare part and offers the ideal solution for your needs. Weighing only 0.02 kg, the Hex lock nut is both efficient and robust.Enhancing Engine PerformanceThe Hex lock nut is an important component that is compatible with MAN D engines and optimizes the performance of the entire system. As part of the product group "Housings, covers and closures," this product meets all necessary requirements for maximum durability and reliability in diesel and gas engines.

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 - 06112690009 suitable for MAN D-engines

- 06112690009 suitable for MAN D-engines

Discover the Hexagonal Lock Nut vm10-a2-70The hexagonal lock nut vm10-a2-70 is an OEM replacement part used in demanding engine applications. This product has the comparison number 06112690009 and ensures precise fit for MAN D engines. Its versatility makes it an essential accessory for users of engines in marine and stationary applications.Reliability in Engine ApplicationThis hexagonal lock nut is not only functional but also provides the support your projects need. Thanks to its quality, the product serves as an ideal component that allows for perfect connections for engines. This OEM replacement part represents durability and efficiency in every application.

Sale price: €2.09Regular price:€2.33(10% saved)
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HEX LOCK NUT VM12-12-ZNPHR3F - 06112690007 suitable for MAN D-engines

HEX LOCK NUT VM12-12-ZNPHR3F - 06112690007 suitable for MAN D-engines

Reliability Through the Hex Lock Nut vm12-12-znphr3fThe Hex lock nut vm12-12-znphr3f with the comparison number 06112690007 is an essential OEM spare part for the maintenance of engines. Designed with a focus on quality, this component ensures that your applications suitable for MAN D engines operate optimally. Thanks to its brilliant design, the part offers outstanding safety and durability.Technical Details for Demanding ApplicationsThe comparison number 06112690007 refers to this Hex lock nut vm12-12-znphr3f, which is specifically suitable for MAN D engines. Weighing only 0.01 kg, this OEM spare part presents an ideal solution for your specific needs in marine and stationary applications. Benefit from the advantages this product offers for the lifespan of your engines.

Sale price: €3.42Regular price:€3.80(10% saved)
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 - 06112670132 suitable for MAN D-engines

- 06112670132 suitable for MAN D-engines

Product Description in DetailDiscover our Hexagon Lock Nut vm30x2-10-a3c, which offers you excellent performance with the reference number 06112670132. This spare part is specifically designed to meet your requirements in the area of "lines and pipes" and plays a central role in the functionality of your suitable for MAN D engines.Safety Through Internal ControlEach spare part undergoes rigorous internal controls, allowing you to rely on the quality and durability of the product. The spare part suitable for MAN D represents our commitment to embodying the highest standards in marine and stationary engine technology.

Sale price: €13.28Regular price:€14.76(10% saved)
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HEX LOCK NUT VM30-8-ZNPHR3F - 06112620131 suitable for MAN D-engines

HEX LOCK NUT VM30-8-ZNPHR3F - 06112620131 suitable for MAN D-engines

Robust Hex Lock Nut vm30-8-znphr3f with High FitDiscover the hex lock nut with the comparison number 06112620131, an essential component for the assembly and maintenance of your engines. This product ensures solid support and is indispensable for long-lasting engine installations. Weighing 0.22 kg, this lock nut is both light and strong, making it ideal for a wide range of applications related to engine stability.Efficient OEM Parts for Your Engine Drive ComponentsThe hex lock nut ensures optimal engine performance. Suitable for MAN D engines, our OEM replacement parts provide a perfect fit that cannot be matched by aftermarket parts. This reliability and stability significantly enhance the efficiency of your engine installation.

Sale price: €5.98Regular price:€6.64(10% saved)
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 - 06112590002 suitable for MAN D-engines

- 06112590002 suitable for MAN D-engines

Precise Hexagon Lock Nut for EnginesDiscover the hexagon lock nut 14x1.5-18- with the comparison number 06112590002, which offers the highest precision for your applications. This OEM spare part is perfectly suited to your needs and ensures excellent performance.

Sale price: €7.14Regular price:€7.93(10% saved)
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HEX LOCK NUT - 06112590001 suitable for MAN D-engines

HEX LOCK NUT - 06112590001 suitable for MAN D-engines

Hex Lock Nut with Comparison Number 06112590001The hex lock nut with the comparison number 06112590001 is an essential OEM replacement part that can be optimally used for various applications in the field of engines. This product features a weight of only 0.05 kg, making handling easier. Thanks to its design, the hex lock nut ensures that the correct clamping force is achieved, which is important for the safety and functionality of the engine.

Sale price: €12.13Regular price:€13.48(10% saved)
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HEX LOCK NUT - 06112518108 suitable for MAN D-engines

HEX LOCK NUT - 06112518108 suitable for MAN D-engines

Essential Hex Lock Nut at a GlanceThe Hex lock nut with the reference number 06112518108 is an essential OEM spare part that ensures secure fastening in your engines. This lock nut from the article group Valves is specially designed to meet the demands of diesel and gas engines. It is ideally suited for use in marine as well as stationary applications, making it a perfect choice for your projects.Suitable for MAN D EnginesWeighing only 0.03 kg, the hex lock nut impresses with its lightweight and precise design, making it the ideal spare part suitable for MAN D. This quality and robustness are crucial for the smooth operation of your engines. Our focus is on providing OEM spare parts that meet the highest industrial standards, enabling long-lasting performance.

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HEX LOCK NUT - 06112518103 suitable for MAN D-engines

HEX LOCK NUT - 06112518103 suitable for MAN D-engines

Hex lock nut for reliable connectionsThe hex lock nut, an outstanding OEM spare part suitable for MAN D engines, impresses with its precise construction. It is designed as part of our extensive group of connecting elements with the reference number 06112518103 specifically to create a reliable connection.Reliability for engines in every applicationThis hex lock nut is available as an OEM spare part that meets the high demands of diesel and gas engines. It offers not only stability but also safety and is particularly suitable for applications in marine and stationary systems.

Sale price: €3.97Regular price:€4.41(10% saved)
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HEX LOCK NUT M10-10-MAN183-B1 - 06112512101 suitable for MAN D-engines

HEX LOCK NUT M10-10-MAN183-B1 - 06112512101 suitable for MAN D-engines

Hex Lock Nut M10-10-MAN183-B1 for Reliable Engine ApplicationsDiscover the Hex lock nut M10-10-MAN183-B1 (comparison number: 06112512101), an essential OEM spare part specifically designed to ensure the functionality of your engines. This product is an indispensable component in the field of gaskets and stands out for its precise fit and optimal functionality for various applications. Weighing only 0.01 kg, this product is ideal for all operating conditions.

Sale price: €1.76Regular price:€1.95(10% saved)
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HEX LOCK NUT M8-10-MAN183-B1 - 06112512018 suitable for MAN D-engines

HEX LOCK NUT M8-10-MAN183-B1 - 06112512018 suitable for MAN D-engines

Maximum Reliability: Hex lock nut m8-10-man183-b1Discover the Hex lock nut m8-10-man183-b1, an essential part that meets the highest standards with its comparison number 06112512018. It is perfect for securing assemblies in engines and provides an effective connection for your machinery components, ensuring smooth operations in your business.Optimal Use: Suitable for MAN D EnginesOur Hex lock nut m8-10-man183-b1 is designed to be suitable for MAN D engines and offers outstanding functionality. Weighing only 0.007 kg, this part can be easily used in various applications, whether in maritime or stationary areas.

Sale price: €2.18Regular price:€2.42(10% saved)
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HEX LOCK NUT M6-10-MAN183-B1 - 06112512017 suitable for MAN D-engines

HEX LOCK NUT M6-10-MAN183-B1 - 06112512017 suitable for MAN D-engines

Hex lock nut m6-10-man183-b1 – Optimal Accessory for EnginesDiscover our Hex lock nut m6-10-man183-b1, comparison number 06112512017, which provides a reliable solution for various applications. This product is compatible with MAN D engines and is characterized by the highest precision. Weighing only 0.003 kg, this robust lock nut simplifies assembly and contributes to the effective operation of your drive system.Offering Spare Parts in Original Equipment QualityThis product belongs to the category of Other spare parts and impresses with quality at original equipment level. The Hex lock nut m6-10-man183-b1 is not only technically advanced, but also meets the stringent requirements of experienced engine manufacturers. Rely on this spare part to maximize your drive's performance and increase longevity.

Sale price: €1.50Regular price:€1.66(10% saved)
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HEX LOCK NUT M5-10-MAN183-B1 - 06112512016 suitable for MAN D-engines

HEX LOCK NUT M5-10-MAN183-B1 - 06112512016 suitable for MAN D-engines

Hex lock nut m5-10-man183-b1 06112512016Discover the hex lock nut m5-10-man183-b1 with the comparison number 06112512016, an essential OEM spare part for your range. This product belongs to the category "Lines and pipes" and combines precision and quality to meet the demands of engines. Weighing only 0.002 kg, this nut is optimal for use in technical applications.Suitable for MAN D enginesThe hex lock nut m5-10-man183-b1 is suitable for MAN D engines and offers optimal fit to support the longevity of your machines. Rely on our OEM spare parts, specifically developed to enhance the efficiency of your engines. We prioritize traceable quality and a hassle-free installation.

Sale price: €2.64Regular price:€2.94(10% saved)
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HEX LOCK NUT - 06112512011 suitable for MAN D-engines

HEX LOCK NUT - 06112512011 suitable for MAN D-engines

Reliable Hex Lock Nut for EnginesThe Hex lock nut with the comparison number 06112512011 is the ideal OEM spare part, perfectly designed to meet the demands of various applications. Weighing just 0.04 kg and featuring a thoughtful design, this product efficiently supports the operation of engines.

Sale price: €12.13Regular price:€13.48(10% saved)
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HEX LOCK NUT - 06112512008 suitable for MAN D-engines

HEX LOCK NUT - 06112512008 suitable for MAN D-engines

Optimal Connection with the Comparison Number 06112512008Discover our high-quality OEM replacement part, the Hex lock nut, under the comparison number 06112512008. This important component weighs only 0.03 kg and impresses with its precise craftsmanship. It is designed to ensure a reliable connection when used with engines.Suitable for MAN D EnginesOur Hex lock nut is ideally suited to meet the specific requirements of engine components. Compatible with MAN D engines, it provides the necessary safety and stability for sustained performance in various applications. Rely on our selection of OEM replacement parts to ensure that your machinery operates smoothly.

Sale price: €8.97Regular price:€9.97(10% saved)
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HEX LOCK NUT - 06112512005 suitable for MAN D-engines

HEX LOCK NUT - 06112512005 suitable for MAN D-engines

Reliable OEM Replacement Part: Hex Lock NutThe hex lock nut with the comparison number 06112512005 is an essential OEM replacement part, specifically designed to ensure reliable operation for engines. This product is compatible with MAN D engines and ensures that components remain securely and efficiently connected.

Sale price: €6.58Regular price:€7.31(10% saved)
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HEX LOCK NUT - 06112512003 suitable for MAN D-engines

HEX LOCK NUT - 06112512003 suitable for MAN D-engines

Reliable Hex Lock Nut in the Product PortfolioDiscover the Hex lock nut, an essential OEM spare part in the category Gaskets. With the comparison number 06112512003, you ensure that you acquire compatible components for your applications. This product meets high standards and optimizes the function of your engines. Thanks to its lightweight of only 0.01 kg, this component is an efficient choice for your requirements.Optimal Fit for MAN D EnginesThe Hex lock nut is specifically designed to function fit for MAN D engines. This precise fit ensures optimal performance and longevity of your machines. The clear identification through the comparison number 06112512003 provides you with confidence in the quality of the product.

Sale price: €3.97Regular price:€4.41(10% saved)
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HEX LOCK NUT M12-10-MAN183-B1 - 06112512002 suitable for MAN D-engines

HEX LOCK NUT M12-10-MAN183-B1 - 06112512002 suitable for MAN D-engines

Quality that convinces: Hex lock nut m12-10-man183-b1 Discover the hex lock nut m12-10-man183-b1 with the comparative number 06112512002. This spare part from the group of screws ensures a reliable connection. Suitable for MAN D engines, it secures the stability and longevity of your machines.Versatility at a glance: Suitable for various manufacturers In our large warehouse, you will find a selection of spare parts that are compatible with MAN D, MWM, Mercedes-Benz, Deutz, as well as Volvo and MTU. Our range allows you quick access to crucial components that are essential for the smooth operation of your machines.

Sale price: €4.48Regular price:€4.98(10% saved)
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HEXAGON NUT - 06112512001 suitable for MAN D engines

HEXAGON NUT - 06112512001 suitable for MAN D engines

Hexagon nut with comparison number 06112512001The hexagon nut with the comparison number 06112512001 is an essential product in the category of OEM replacement parts. It supports important engine functions and impresses with its exact fit. This hexagon nut, designed for use in various applications, provides both stability and safety for mechanical connections.

Sale price: €1.76Regular price:€1.95(10% saved)
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HEX COLLAR LOCK NUT - 06112500113 suitable for MAN D-engines

HEX COLLAR LOCK NUT - 06112500113 suitable for MAN D-engines

Strong Performance for Your EnginesDiscover our Hex collar lock nut, an essential product with the reference number 06112500113, specially designed to optimally support your existing equipment. This nut is a valuable OEM spare part used for diesel and gas engines and falls under the category of Nuts. Its reliability makes it ideal for marine and stationary applications as well as for locomotives.Compatible with MAN D – Quality that ImpressesThe Hex collar lock nut with the reference number 06112500113 weighs only 0.05 kg and offers optimal stability and performance thanks to its precise manufacturing. This OEM spare part ensures that your engines can always operate in impeccable condition. You benefit from excellent craftsmanship and high-quality materials.

Sale price: €9.48Regular price:€10.53(10% saved)
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HEX LOCK NUT - 06112500112 suitable for MAN D-engines

HEX LOCK NUT - 06112500112 suitable for MAN D-engines

Hex Lock Nut: Quality for Stationary UseDiscover the hex lock nut with reference number 06112500112 – an essential replacement part suitable for MAN D engines. This robust nut belongs to the category of holders, plates and flanges and impresses with its high reliability. Weighing only 0.055 kg, it is ideal for easy installation.Replacement Part for Secure ConnectionsThe hex lock nut ensures a secure connection of the components in your engines. It helps optimize the efficiency of your diesel and gas engines. This replacement part provides an excellent fit and long service life, which is crucial for the reliability of your machines.

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HEXAGON NUT - 06112490026 suitable for MAN D-engines

HEXAGON NUT - 06112490026 suitable for MAN D-engines

Essential Spare Part: Hexagon NutDiscover the hexagon nut with the comparison number 06112490026, which has been designed as an OEM spare part. This hexagon nut belongs to our comprehensive group of spare parts for engines.Precise Fit for MAN D EnginesThe hexagon nut is designed to be compatible with MAN D engines, ensuring a perfect fit. Rely on our OEM spare parts, which offer optimal performance and durability to support the smooth operation of your engines.

Sale price: €2.30Regular price:€2.56(10% saved)
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 - 06112490023 suitable for MAN D-engines

- 06112490023 suitable for MAN D-engines

Quality Product: Hexagon Lock Nut M5-A2-70 Discover the hexagon lock nut M5-A2-70, an essential component for engine maintenance. This OEM spare part with the comparison number 06112490023 is crucial for the optimal functionality of your machines.Suitable for MAN D Engines This product is specifically suitable for MAN D engines. It is precisely manufactured and meets the standards expected of an OEM spare part.

Sale price: €2.35Regular price:€2.61(10% saved)
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 - 06112490022 suitable for MAN D-engines

- 06112490022 suitable for MAN D-engines

Reliable Hexagon Lock Nut M6-A2-70Discover the Hexagon Lock Nut M6-A2-70, an outstanding OEM replacement part. With the comparison number 06112490022, this product is ideally suited for applications in diesel and gas engines. Its precision and strength make it the first choice for your maintenance and repair needs.Compatible with MAN D EnginesOur Hexagon Lock Nut M6-A2-70 is compatible with MAN D engines and offers a perfect fit. This ensures smooth and reliable operation of your systems, whether in maritime or stationary use.

Sale price: €1.66Regular price:€1.85(10% saved)
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Function and advantages

Screw nuts work in combination with bolts or studs to create strong, threaded connections. In engine systems, a proper engine nut or motor nut must withstand dynamic forces and temperature-related expansion. Key benefits include:

  • Secure locking of mechanical components under stress
  • Resistance to loosening under vibration
  • Easy assembly and disassembly for maintenance

In high-precision systems, mechanical nuts often feature locking mechanisms, flange bases or specialized coatings to enhance grip and corrosion resistance.

Applications and types

Engine nuts are used to fasten cylinder heads, manifolds, brackets and rotating assemblies. Motor nuts are common in alternators, starters, pumps and other auxiliary components. Depending on the application, mechanic nuts can be hex nuts, locknuts, self-locking nuts or high-temperature nuts.

For industrial and marine use, mechanical nuts are often made of stainless steel or alloyed materials to withstand corrosion, vibration and thermal cycles. Our range includes all standard types and sizes suitable for MTU, MAN, Volvo Penta, Deutz and MWM engines.

Availability and sourcing

We stock a wide selection of screw nuts and related fasteners for engines, industrial equipment and marine applications. As experienced screws and nuts suppliers, we provide OEM-quality with fast delivery, technical support and high availability – ideal for overhauls, repairs or production sourcing.

Screw nuts for industrial and marine engines – engine nut, motor nut, mechanical nuts, mechanic nuts – OEM replacements

FAQ

What are screw nuts used for in engines?
Screw nuts in engines are used to secure critical components such as cylinder heads, exhaust systems, brackets and rotating parts. They must withstand heat, vibration and mechanical stress without loosening.

What is the difference between mechanical nuts and mechanic nuts?
“Mechanical nuts” refers to all technical fasteners used in machines, while “mechanic nuts” is a more informal term often used in workshop contexts. Both describe the same parts but are used in different settings.

Where can I buy engine nuts and motor nuts?
Engine nuts and motor nuts are available from specialized screws and nuts suppliers like us. We offer a wide range of standard and special fasteners for diesel and gas engines, with OEM compatibility and fast shipping.

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