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:
HOLLOW SCREW UNION - 51981500077 suitable for MAN D-engines
Optimal Solution for Your ApplicationsDiscover our OEM replacement part, the Hollow screw union with the comparison number 51981500077, a product specially designed for the highest demands. Weighing only 0.03 kg, this replacement part impresses with its lightness and durability. Installation measures are facilitated by the precise fit.Suitable for MAN D EnginesThis OEM replacement part is suitable for MAN D engines and offers functional reliability that is often lacking in aftermarket parts. Use our product to sustainably ensure the efficiency of your engines.
HOLLOW SCREW - 51981500076 suitable for MAN D-engines
Precise Hollow Screw with Comparison Number 51981500076Discover our Hollow Screw with the comparison number 51981500076, which is an essential OEM spare part for professional applications. This custom-made Hollow Screw is specifically designed for MAN D engines and ensures a reliable connection. Weighing only 0.01 kg, it offers the ideal combination of lightness and stability, making it suitable for both maritime and stationary applications.
HOLLOW SCREW - 51981500074 suitable for MAN D-engines
Discover the Hollow Screw for MAN D EnginesThe Hollow Screw with the comparison number 51981500074 stands as an example of excellent quality in the field of OEM spare parts. It is an indispensable product specifically designed to ensure an optimal fit and perfect functionality for MAN D engines. With a lightweight of only 0.004 kg, it ensures easy handling and installation, while its quality impresses even in demanding environments.Excellent OEM Spare Parts for EnginesAs a component suitable for MAN D engines, the Hollow Screw not only offers reliable performance but also ensures that you are choosing the best quality for replacements. All OEM spare parts undergo stringent testing to ensure they meet the demands of modern engine technology. Rely on top-quality spare parts that comply with industry-leading standards to keep your engines in top condition.
HOLLOW SCREW - 51981500073 suitable for MAN D-engines
Premium Hollow Screw Suitable for MAN D EnginesUse the hollow screw with the comparison number 51981500073, which plays a crucial role as an OEM replacement part in your engine development. This product is optimally designed to meet the requirements of modern diesel and gas engines. Weighing only 0.03 kg, the hollow screw offers the perfect combination of lightness and stability for your machines.Quality Assurance through OEM Replacement PartsThe hollow screw with the comparison number 51981500073 belongs to the category "Screws" and is specifically developed to fit MAN D engines. Rely on these components that meet the strict quality standards of your engine. Each replacement part conforms to the high specifications of original equipment manufacturer quality to provide maximum performance and ensure the long-term operability of your engines.
HOLLOW SCREW - 51981500071 suitable for MAN D-engines
Find Hollow Screw with Comparison Number 51981500071Discover the Hollow Screw with the comparison number 51981500071 – an essential OEM spare part, suitable for MAN D engines. This spare part description shows that it belongs to the group of Screws and impresses with its excellent workmanship. With a weight of only 0.039 kg, it is practical and easy to integrate.Quality for Engines in Marine and Stationary UseAs a provider of OEM spare parts, we ensure that our products meet the highest quality standards. The Hollow Screw is optimized for engines suitable for MAN D engines, enabling a secure and precise connection. Experience the durability and functionality of this product.
HOLLOW SCREW - 51981500070 suitable for MAN D-engines
Efficient Hollow Screw OEM Replacement PartDiscover the product, the hollow screw with the comparison number 51981500070. This OEM replacement part belongs to the category of screws and plays a crucial role in the functioning of various engines. Weighing just 0.06 kg, this special screw ensures a secure connection and optimizes the performance of your applications.Designed for MAN D EnginesThis replacement part is suitable for MAN D engines and impresses with its excellent fit. The use of OEM replacement parts in engine operation is essential to ensure efficiency. Rely on the hollow screw 51981500070, tailored to the specific needs of your operations – optimized for high-performance diesel and gas engines.
HOLLOW SCREW - 51981500068 suitable for MAN D-engines
Precise Hollow Screw with Comparison Number 51981500068 Discover the Hollow Screw with comparison number 51981500068, a top-quality OEM spare part that is essential for the performance of your engines. This product offers maximum reliability and precision. Weighing just 0.05 kg, the Hollow Screw can be easily integrated into your existing engine configuration.Functionality and Quality for Engines The Hollow Screw is designed to be compatible with MAN D engines, ensuring optimal functionality. OEM spare parts like this product contribute to the longevity of your engines. Rely on proven quality and choose a spare part that has been specifically developed for your needs.
HOLLOW SCREW UNION - 51981500058 suitable for MAN D-engines
Premium Hollow Screw Union – Your Solution for Efficient Engines Discover our Hollow Screw Union with the comparison number 51981500058, an essential product that ensures optimal functionality. Weighing only 0.04 kg, this product provides an ideal balance between stability and convenience. It is specifically designed to optimize the performance that modern engines require.Beyond Comparison Number 51981500058 Our Hollow Screw Unions are OEM replacement parts, suitable for MAN D engines. The use of such parts ensures that you can rely on their quality and fit. While aftermarket components may have varying standards, these unique parts provide reliable solutions for your engine applications.
HOLLOW SCREW - 51981500056 suitable for MAN D-engines
HOLLOW SCREW with the comparison number 51981500056 suitable for MAN D-engines
HOLLOW SCREW - 51981500055 suitable for MAN D-engines
Precision and Quality of the Hollow Screw Discover our product: the Hollow Screw with the comparison number 51981500055, suitable for MAN D engines. This spare part comes from reputable manufacturers and offers the highest precision in execution.Ideal for Marine and Stationary Applications The Hollow Screw is an essential component, suitable for MAN D engines, and meets all requirements for operation in marine and stationary applications. Rely on a solution that provides the highest reliability.
HOLLOW SCREW - FPSR2G1Z suitable for Bosch engines
Precision Hollow Screw FPSR2G1Z for Your Applications The hollow screw with the comparison number FPSR2G1Z is an indispensable product that meets the highest standards. This spare part is suitable for MAN D engines and is perfect for marine and stationary use. With a low weight of only 0.048 kg, the hollow screw allows for easy installation and operation.Original Quality for Maximum Performance Our hollow screw is an OEM spare part specifically designed for the requirements of MAN D engines. With this component specification, you can be sure that you are receiving a product that is not only of high quality but also stands for optimal performance. OEM spare parts offer durability and reliability in your engine applications.
HOLLOW SCREW - 51981500046 suitable for MAN D-engines
Quality and Reliability of the Hollow ScrewDiscover the hollow screw with the comparison number 51981500046, an indispensable OEM spare part that offers both durability and precision. This hollow screw is specifically designed to reliably meet the demands of dedicated engines. It weighs only 0.025 kg and is quick to install.Suitable for MAN D EnginesOur hollow screw is suitable for MAN D engines and offers an ideal fit. As an OEM spare part, it meets the high expectations placed on the functionality of your engines. With precise manufacturing, our products fulfill all quality standards that are essential in marine and stationary applications.
HOLLOW SCREW - 51981500045 suitable for MAN D-engines
Robust Hollow Screw Suitable for MAN D EnginesDiscover our hollow screw with the comparison number 51981500045 – an essential component for your application. This hollow screw is specially designed and is excellent for your repair needs. Weighing only 0.02 kg, this OEM spare part can be easily mounted.Reliability and Performance with OEM Spare Parts for EnginesOur hollow screw is optimally suited for MAN D engines and impresses with its high quality and durability. We use only OEM spare parts to meet the highest standards in terms of efficiency. These features are crucial to support the functionality of your engines.
HOLLOW SCREW - 51981500044 suitable for MAN D-engines
Hollow screw compatible with MAN D engines in detailDiscover the precise hollow screw with the comparison number 51981500044. This OEM spare part is essential for reliable operation of your engines. Manufactured with the highest precision, it meets the strict requirements of the market and ensures optimal performance in your applications.Comparison number 51981500044: An essential componentThe product helps you optimize the operation of your machines during short downtimes. With the comparison number 51981500044, this hollow screw is a spare part compatible with MAN D engines. It has been produced under the highest quality standards and ensures long-lasting use.
HOLLOW SCREW - 51981500041 suitable for MAN D-engines
Quality Without Compromise: Hollow Screw for EnginesDiscover the Hollow screw with the comparison number 51981500041, which combines optimal design and functionality. This OEM spare part is essential for various applications. Weighing only 0.022 kg, the hollow screw ensures that maintenance work on your engines is conducted more efficiently.Suitable for MAN D EnginesOur Hollow screw is specifically designed for MAN D engines. This OEM spare part ensures that your machines can operate reliably and performance-oriented. When repairing and maintaining your engines, rely on products that are uncompromisingly tailored to your specific requirements.
HOLLOW SCREW - 51981500039 suitable for MAN D-engines
Precise Hollow Screw – Comparison Number 51981500039Discover the top-quality hollow screw with the comparison number 51981500039, a crucial product for your engine technology. With a lightweight of only 0.01 kg, this OEM replacement part impresses with reliability and durability. This hollow screw presents an efficient solution for all challenges that arise during the maintenance of your engines.Suitable for MAN D enginesWith this replacement part, you have a perfectly suitable component that fits MAN D engines. The use of OEM replacement parts ensures a high quality that meets industry standards. Make sure to optimize the performance of your drive media with a hollow screw that works optimally with the engines.
HOLLOW SCREW - 51981500038 suitable for MAN D-engines
Hollow Screw for Effective Engine PerformanceDiscover the hollow screw with the comparison number 51981500038, an OEM replacement part specially designed to support the efficiency of MAN D engines. This product, weighing only 0.04 kg, belongs to our product group "Screws" and is characterized by precise craftsmanship.Reliability in Demanding ApplicationsThe hollow screw is crucial for the safety and functionality of your engines. Its secure connection ensures stable performance in various areas, including marine and stationary applications. This OEM replacement part helps optimize and continuously maintain the performance of your machines.
HOLLOW SCREW - 51981500031 suitable for MAN D-engines
Perfect Fit: Hollow screw compatible with MAN DDiscover the hollow screw with the reference number 51981500031 – an essential product that fits perfectly for MAN D engines. This hollow screw has been manufactured according to strict OEM replacement part standards, ensuring optimal precision and the highest reliability for your engines. Weighing only 0.02 kg, it is one of the lightweight alternatives among replacement parts.Excellent Quality for Optimal PerformanceThe hollow screw, as an OEM replacement part, offers you not only outstanding performance but also long durability. For engines that are regularly operated, the quality of the replacement part is crucial. Invest in this product compatible with MAN D to support the efficiency of your equipment in the long term. It significantly contributes to optimizing the functionality of your engines.
HOLLOW SCREW - 51981500030 suitable for MAN D-engines
Quality Product: Hollow ScrewThe hollow screw with the comparison number 51981500030 is an essential product for anyone looking for reliable replacement parts for their engines. This OEM replacement part ensures an exact fit and is specifically designed to withstand heavy use. Weighing only 0.041 kg, this screw is both lightweight and robust.
HOLLOW SCREW - 51981500027 suitable for MAN D-engines
Precise Replacement Part – Hollow Screw 51981500027The hollow screw with the reference number 51981500027 is an essential OEM replacement part that is ideal for the requirements in the marine and stationary industry. This product, weighing only 0.085 kg, ensures optimal functionality of engines. In our product group Screws, you will find everything you need for the longevity of your machines.Optimal Use for MAN D EnginesThis replacement part, suitable for MAN D engines, ensures the performance and efficiency you expect from your equipment. OEM replacement parts like the hollow screw 51981500027 enable smooth operations in marine applications. Rely on the top-notch precision that proves itself in daily use.
HOLLOW SCREW - 51981500009 suitable for MAN D-engines
Efficient Hollow Screw with Comparison Number 51981500009Discover the hollow screw with comparison number 51981500009, an essential product suitable for MAN D engines. This OEM replacement part has been designed to provide reliable performance in marine and stationary applications as well as in locomotives. Weighing only 0.019 kg, this hollow screw combines lightweight handling with great robustness.
SCREW PLUG - 51981320001 suitable for MAN D-engines
Precise Screw Plug with Comparison Number 51981320001Discover the screw plug with the comparison number 51981320001, an essential product from the category of screws. Our screw plug meets your requirements for precision and reliability. Weighing just 0.125 kg, it is ideal for repairs on engines suitable for marine and locomotive applications.OEM Replacement Parts – Quality You Can TrustThis OEM replacement part is designed for MAN D engines. Trust in the highest quality standards, as every product undergoes strict internal controls. This ensures that each component not only fits perfectly but is also high-performing.
HOLLOW SCREW UNION - 51981300506 suitable for MAN D-engines
Precise Replacement Part with Comparison Number 51981300506 Discover the Hollow screw union product that is designated as an OEM replacement part with the comparison number 51981300506. These parts are essential for the functionality of your engines and offer exceptional quality.Suitable for MAN D Engines This Hollow screw union replacement part is suitable for MAN D engines and allows for precise fitting. Don't worry about efficiency – our product ensures that your engines operate optimally.
SCREW/BOLT - 51962100099 suitable for MAN D-engines
Discover the screw suitable for MAN D enginesDiscover the screw with the reference number 51962100099, designed for MAN D engines. This OEM spare part represents excellent quality and durability. By using components from the manufacturer, we ensure the optimal functionality of your engines.OEM spare parts for the highest standardsWith the reference number 51962100099, we offer a spare part that is exclusively suitable for MAN D engines. Compared to aftermarket parts, this product meets the highest requirements and has been internally controlled, resulting in unmatched performance.
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.