Bolt and screw – solutions for marine & industrial
Every engine relies on a secure and vibration-resistant fastening system. A high-quality bolt and screw setup holds together engine blocks, manifolds, and accessories across diesel, gas, and marine systems. In industrial applications, engine screws and motor bolts provide structural stability, resist thermal cycling, and support precision alignment. For marine use, corrosion-resistant marine bolt and marine screws ensure lasting safety even in harsh saltwater environments.
Choose from following:
EYE BOLT - 81904415013 suitable for MAN D engines
Quality Product for High-Performance Engines Discover the eye bolt with the comparison number 81904415013, a reliable OEM replacement part that is ideal for your engines. This component weighs 0.433 kg and ensures safe and stable operation in demanding applications.
EYE BOLT - 81904412008 suitable for MAN D engines
Precise Eye Bolt – Comparison Number 81904412008Discover the Eye Bolt with the comparison number 81904412008, specifically designed for MAN D engines. This product ensures that the quality and performance of your engines remain at the highest level. Weighing only 0.035 kg, the Eye Bolt combines robustness and lightness, making it indispensable for any maintenance or repair.
EYE BOLT - 81904410148 suitable for MAN D engines
Premium Eye Bolt – Your Solution for MAN D Engines Discover the eye bolt with the comparison number 81904410148, which is an essential component for your MAN D engines. This product belongs to the category of screws and weighs just 0.23 kg, making it easy to handle. With this eye bolt, you secure a reliable solution for your engines.Replacement Parts in OEM Quality Our eye bolt is an OEM replacement part specially designed to provide optimal performance for MAN D engines. Use replacement parts in OEM quality to maximize the lifespan and performance of your engines. Rely on the precision and durability of these components.
EYE BOLT - 81904410147 suitable for MAN D engines
Reliable Eye Bolt with Comparison Number 81904410147Discover the eye bolt with the comparison number 81904410147, an essential component for anyone relying on dependable replacement parts. This eye bolt is suitable for MAN D engines and, thanks to its excellent workmanship, offers optimal functionality. Weighing 0.11 kg, it is lightweight yet robust enough to meet high demands.Quality through OEM Replacement PartsThis OEM replacement part is manufactured to the highest standards. With the comparison number 81904410147, you can be assured that the quality and fit meet your requirements. The part suitable for MAN D engines not only ensures smooth operation but also provides a long service life.
EYE BOLT - 81904410146 suitable for MAN D engines
Robust Eye Bolt Suitable for MAN D EnginesThe eye bolt with the comparison number 81904410146 is a reliable replacement part specifically designed to be suitable for MAN D engines. Weighing only 0.16 kg, this product combines lightness and functionality, making it the ideal choice for various applications in the marine and stationary sectors.Reliability in Every ScrewOur comparison number 81904410146 stands for high standards in the replacement of components. The eye bolt is categorized under screws and ensures optimal performance of engines. With this replacement part, you are well-equipped to support the functionality of your MAN D engines.
EYE BOLT - 81904410144 suitable for MAN D engines
Eye bolt with comparison number 81904410144Discover the eye bolt with the comparison number 81904410144 – a top-quality component that is crucial in your engine. Weighing only 0.11 kg, this part offers the perfect combination of functionality and durability.
EYE BOLT - 81904410141 suitable for MAN D engines
Eye bolt suitable for MAN D enginesDiscover the eye bolt with the comparison number 81904410141, an indispensable spare part, specifically designed for your MAN D engines. This eye bolt belongs to the group of screws and impresses with its ease of use and high functionality. Weighing only 0.028 kg, this product is optimized for demanding applications.
ADJUSTING SCREW - 81904410140 suitable for MAN D engines
Efficient Adjusting Screw for Your EngineOur adjusting screw with the reference number 81904410140 is an essential OEM spare part specifically designed for the requirements of engines. This product fits perfectly to your needs and offers the reliability you expect from a top-quality spare part. With a weight of only 0.02 kg, the adjusting screw is particularly handy and lightweight, making installation easier.Precision and Fit for MAN D EnginesThe adjusting screw is a crucial component for the maintenance of your engines. This OEM spare part is suitable for MAN D engines and ensures optimal functional properties through its careful processing. Thanks to its exact dimensions, the adjusting screw is an excellent choice for use in marine and stationary applications.
EYE BOLT - 81904410137 suitable for MAN D engines
Convincing Eye Bolt – Quality That ConvinceDiscover the Eye Bolt with the comparison number 81904410137, specially designed for your needs. This OEM spare part is not just a functional element, but also crucial for the stability and performance of your compatible with MAN D engines. Weighing only 0.02 kg, the Eye Bolt impresses with its robustness, making it ideal for ongoing operations in marine stations and other applications.Excellent Fit for MAN D EnginesThis product is compatible with MAN D engines, ensuring that you receive the best quality. As OEM spare parts, we offer you the highest standards in production and material selection. Rely on the reliability and precision that this Eye Bolt with the comparison number 81904410137 provides to minimize your engine's downtime.
EYE BOLT - 81904410135 suitable for MAN D engines
Eye Bolt with Comparison Number 81904410135Discover the Eye Bolt with the comparison number 81904410135, an important OEM spare part specifically designed for MAN D engines. Weighing only 0.06 kg, this product offers an ideal combination of lightness and stability to optimize the performance of your engines.Reliable Quality of OEM Spare PartsThe Eye Bolt belongs to the group of Screws and provides a perfect fit that is crucial for the efficiency of engines. Our products are carefully manufactured and meet the high standards that you expect from OEM spare parts.
EYE BOLT - 81904410134 suitable for MAN D engines
Precision Eye Bolt for Your EnginesDiscover the rust-free eye bolt with comparison number 81904410134, which meets precise requirements. This eye bolt belongs to the category of screws and is an essential product that is crucial for the performance of your engine. Weighing 0.25 kg, it is robust and durable, ideal for engines in marine and stationary applications.
EYE BOLT - 81904410132 suitable for MAN D engines
Precise Eye Bolt for Your ApplicationsDiscover the eye bolt with the comparison number 81904410132, an essential product for engines used in marine and stationary applications. This OEM spare part impresses with its excellent workmanship and fit, specifically designed for MAN D engines. Weighing only 0.26 kg, this component is ideally suited to meet the demands of challenging applications.Suitable for MAN D Engines – Reliability You Can Count OnThe eye bolt is a carefully crafted OEM spare part that comes directly from the manufacturer. In addition to its excellent quality, this spare part provides the necessary performance for the operation of your engines. Unlike aftermarket products that do not offer the same precision, the eye bolt with the comparison number 81904410132 ensures optimal efficiency.
EYE BOLT - 81904410131 suitable for MAN D engines
Durable Eye Bolt Suitable for MAN D EnginesExperience the quality of our eye bolt with the reference number 81904410131, specifically designed for engines suitable for MAN D. This OEM replacement part plays a crucial role, ensuring a reliable connection of essential components in your diesel and gas engines. Weighing 0.35 kg, the eye bolt provides the necessary stability for marine and stationary applications.Precision and Reliability for Your EnginesAs a product from the screws category, this eye bolt meets the highest quality standards, deserving of your trust. Our OEM replacement parts are precisely manufactured to support the optimal performance of your engines. With the reference number 81904410131, you can be sure you are getting a suitable product that meets the demands of your MAN D engines.
EYE BOLT - 81904410130 suitable for MAN D engines
Precision with Comparison Number 81904410130 Discover the eye bolt with the comparison number 81904410130, an essential product for your technical needs. This top-quality OEM replacement part impresses with its thoughtful design and is indispensable in the category of screws. With a weight of only 0.12 kg, the eye bolt can be easily used in various applications.Suitable for MAN D Engines This eye bolt is suitable for MAN D engines and offers excellent functionality in demanding environments. As an OEM replacement part, it meets the highest industry standards and ensures the performance of your engines. Rely on the quality of our products, which are optimally tailored to the needs of our B2B customers.
EYE BOLT - 81904410129 suitable for MAN D engines
Reliable Eye Bolt for MAN D EnginesDiscover the reliable eye bolt with the comparison number 81904410129. This product is an essential OEM spare part for systems that rely on MAN D engines. Weighing only 0.03 kg, this bolt offers an ideal combination of functionality and top-quality requirements that optimizes the performance of your machines.
HEX DRIVE SCREW M8X12,4--SW11 - 81904410127 suitable for MAN D engines
Hex drive screw m8x12,4--sw11 with comparative number 81904410127Discover the Hex drive screw m8x12,4--sw11 with the comparative number 81904410127, which is ideally suited to optimize the performance of your engines. This premium product impresses with excellent workmanship and is specifically designed for MAN D engines to function optimally in application.Suitable for MAN D: A reliable OEM replacement partOur Hex drive screw m8x12,4--sw11 is suitable for MAN D engines and offers you the quality you expect from OEM replacement parts. Weighing only 0.007 kg, this replacement part is ideal for use in marine and stationary applications. Rely on the proven performance of numerous engines.
EYE BOLT - 81904410126 suitable for MAN D engines
Optimal Connection with the Eye BoltDiscover the eye bolt with the comparison number 81904410126, an essential product that ensures the reliability of your engines. This bolt is an OEM spare part, specially suitable for MAN D engines, and provides a secure fastening in demanding applications. With a weight of only 0.17 kg, it is the ideal choice for your operation.Superior Quality of OEM Spare PartsOur eye bolt with the comparison number 81904410126 belongs to the category of OEM spare parts. This ensures you the best possible fit and durability for your MAN D engines. With our many years of experience, we know how important quality is for your applications and offer you only products that meet these high standards.
EYE BOLT - 81904410125 suitable for MAN D engines
Reliable Eye Bolt with Reference Number 81904410125The Eye bolt with the reference number 81904410125 is an indispensable OEM spare part that is optimally suited for the requirements of MAN D engines. Weighing 0.28 kg, this component, categorized under "Screws," provides stability and reliability in demanding applications such as marine and stationary engineering.Suitable for Highest DemandsOur range includes over 1 million spare parts, including numerous items compatible with renowned manufacturers such as MWM, Mercedes-Benz, Deutz, Volvo, MTU, Bosch, and Detroit Diesel. Our products offer you comprehensive solutions for the maintenance and repair of your engines.
EYE BOLT - 81904410122 suitable for MAN D engines
Precise Replacement Part for EnginesDiscover the product, the eye bolt with the comparison number 81904410122. This OEM replacement part fits perfectly for MAN D engines. Weighing 0.25 kg, this eye bolt is not only lightweight but also provides a secure connection in your engine.Robust Quality for MAN D EnginesThe eye bolt is an essential component, suitable for MAN D engines. As an OEM replacement part, it offers reliable and consistent performance. With our years of experience, we understand the importance of precisely fitting components. Therefore, this screw stands for maximum efficiency.
EYE BOLT - 81904410120 suitable for MAN D engines
Eye Bolt suitable for MAN DDiscover the eye bolt (comparison number: 81904410120), which is distinguished by its precise workmanship and is specifically designed for MAN D engines. This OEM spare part plays a crucial role in the functionality of your engines and offers an optimal solution for a variety of applications in marine and stationary areas.Reliability through OEM spare partsThe eye bolt with comparison number 81904410120 belongs to the category of screws and offers reliable performance through its OEM quality. As an OEM spare part, it ensures that your engines are always ready for use and provide maximum efficiency. Weighing only 0.01 kg, it is lightweight yet robust, allowing for use in demanding environments.
HEXAGON BOLT - 81904410116 suitable for MAN D engines
Discover the Hexagon Bolt Suitable for MAN D EnginesOur hexagon bolt with the comparison number 81904410116 is a high-quality OEM spare part, specifically designed to ensure outstanding performance in engines. Weighing only 0.15 kg, this hexagon bolt combines strength and lightness. Rely on precision that is ideal for diesel and gas engines, used in marine and stationary applications as well as locomotives.
EYE BOLT - 81904410114 suitable for MAN D engines
Eye Bolt with Comparison Number 81904410114Discover the eye bolt with the comparison number 81904410114, an OEM replacement part specifically designed to optimize engine performance. This product impresses with its reliable quality and is essential for the operation of engines compatible with the MAN D series. Weighing only 0.043 kg, the eye bolt offers an ideal combination of handling and robustness.
EYE BOLT - 81904410104 suitable for MAN D engines
Eye Bolt suitable for MAN D enginesDiscover the eye bolt with the comparison number 81904410104, which has been specifically designed as an OEM replacement part suitable for MAN D engines. This screw, weighing only 0.04 kg, ensures an excellent fit and maximizes the efficiency of your engines.Essential product for your applicationsThis eye bolt belongs to the category of screws and is an essential product that helps maintain the performance of your engine. As an OEM replacement part, the comparison number 81904410104 meets the highest quality standards and ensures the reliability of your MAN D engines. Invest in quality and avoid aftermarket parts to protect the integrity of your engines.
EYE BOLT - 81904410101 suitable for MAN D engines
Excellent Eye Bolt Suitable for MAN D EnginesDiscover our OEM replacement part, the eye bolt with the comparison number 81904410101, suitable for MAN D engines. This eye bolt offers an optimal fit and performance for your diesel or gas engines. Weighing only 0.08 kg, this product combines robustness and precision required for demanding operating conditions.
What are bolts and screws used for in engine systems?
A bolt and screw is used to fasten components under mechanical stress. This includes cylinder heads, pumps, intake manifolds, mounts, and brackets. Engine bolt assemblies require high tensile strength and precise thread profiles to prevent loosening under load. In marine settings, bolts marine configurations include additional corrosion protection through zinc coatings, stainless alloys, or composite heads. Whether for permanent fastening or removable joints, motor screws and bolts form the basis of structural integrity in all engine types.
Function and benefits of bolts and screws in engines
- Secure static and dynamic connections across engine assemblies
- Resist vibration, pressure, and thermal expansion
- Support torque retention and load distribution
- Enable safe disassembly for maintenance and inspection
- Allow modular engine construction with standard sizes
In both land-based and marine power units, engine screws and motor bolt types are selected for load class, material strength, and thread pitch. Using the right bolt and screw combination reduces failure risks and simplifies service procedures.
Types and materials of marine and engine fasteners
- Hex head and flange bolts for structural engine joints
- Socket head motor screws for precision components
- Thread-locking marine screws for hull or motor mounts
- High-strength engine bolt sets with graded coatings
- Marine bolt systems with stainless steel or brass
Bolts marine assemblies often use A4 stainless or Duplex steel, ensuring protection against seawater and galvanic reactions. Motor screws in enclosed spaces may use black oxide or phosphate finishes for corrosion protection and ease of removal. Material selection depends on torque level, accessibility, and contact with fluids or chemicals.
Compatibility and sourcing
We offer fastening solutions suitable for MTU, Deutz, MAN, Volvo Penta, and MWM. Whether you're rebuilding a turbo mount, re-securing an exhaust manifold, or replacing critical head bolts, our bolt and screw range fits a wide variety of marine and industrial engines. We stock bolts by dimension, thread, material, and application group.
Thanks to our well-equipped warehouse and fast delivery options, we offer short lead times and quick availability for both standard and application-specific fasteners.
Use cases in industrial and marine applications
Marine screws are often used for water-cooled exhaust, hull penetrations, and engine bed mounting. Motor bolt sets are required for rotating assemblies and timing covers. Across applications, the right engine bolt and screw setup ensures alignment under thermal expansion and torque loading. For boats, hose adapter brackets, alternators, and gearboxes also require vibration-resistant marine bolt systems with low galling and secure locking.
Buying advantages with us
Our B2B shop provides:
- Fast worldwide shipping via DHL Express
- Material and strength class selection support
- Easy ordering for bulk or precision fasteners
We supply OEM-standard bolt and screw combinations for maintenance, repairs, or assembly upgrades. With practical kit options and single part selection, technicians can easily match specs during overhauls or engine conversions.
Related components to bolt and screw systems
Complementary items often include washers, retaining rings, thread-locking pastes, brackets, and custom spacers. These elements contribute to torque stability and fastener longevity in both mobile and stationary engines. A correct bolt and screw setup is fundamental to safe operation.
Frequently asked questions about bolts and screws
What is a screw?
A screw is a threaded fastener designed to be inserted into material or a pre-threaded hole to hold components together.
What is the difference between a bolt and a screw?
A bolt typically works with a nut and is used through unthreaded holes, while a screw forms its own thread or fits into a tapped hole.