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:
HEXAGON BOLT - 85400006294 suitable for MAN D engines
Optimal Performance with Hexagon BoltDiscover the hexagon bolt with the comparison number 85400006294, specially designed to meet the highest demands in the marine and stationary engine industry. This product is an essential OEM replacement part that provides a reliable connection and stability for your engines. The hexagon bolt has a lightweight of 0.05 kg, making it handy and user-friendly.Compatibility and QualityOur hexagon bolt is suitable for MAN D engines and meets all manufacturer standards. These OEM replacement parts ensure seamless integration, maximizing the lifespan and performance of your engines. Quality controls ensure that this replacement part meets the highest standards.
THREADED ROD - 85400006266 suitable for MAN D engines
Threaded rod with reference number 85400006266Discover our threaded rod with the reference number 85400006266, specifically designed as a replacement part. This threaded rod impresses with its precise fit and reliability. Weighing only 0.13 kg, this product is ideal for various applications where engines must deliver maximum performance.Precision and reliability as replacement partsOur threaded rod is compatible with MAN D engines and is manufactured to the highest quality standards. As a replacement part, it offers the accuracy you need to optimize the performance of your machines. Rely on the excellent fit of the threaded rod, which can be perfectly integrated into your MAN D engines.
HEX SHOULDER STUD - 85400006149 suitable for MAN D engines
Reliable Hex Shoulder Stud for Engine ApplicationsDiscover the hex shoulder stud designed for MAN D engines, bearing the reference number 85400006149. This OEM spare part impresses with maximum quality and durability, ideal for use in marine and stationary engines. Weighing 0.3 kg, it simplifies installation and ensures a solid connection.High Load Capacity for MAN D EnginesThe hex shoulder stud is a premium OEM spare part specifically designed for challenging operating conditions. It ensures the optimal functioning of your machines and is an indispensable component suitable for MAN D engines as well as many other renowned manufacturers.
SCREW/BOLT - 85400006148 suitable for MAN D engines
Versatile screw/bolt for your enginesOur screw/bolt with the comparison number 85400006148 is an ideal OEM replacement part, suitable for MAN D engines. This product from the group of screws has been manufactured according to strict quality standards to provide the highest reliability. Weighing 0.35 kg, the screw/bolt is robust and well-suited for intensive use in marine and stationary applications.Quality for MAN D enginesThe OEM replacement part ensures an optimal fit and performance, which is essential for engines of critical importance. Rely on this quality, specifically developed to fit MAN D engines, to ensure the longevity of your machines.
COLLAR BOLT - 85400006147 suitable for MAN D engines
Excellent Replacement Part: Collar ScrewDiscover our collar screw with the comparison number 85400006147, an OEM replacement part designed specifically to support engines. This product is both lightweight and sturdy, weighing 0.3 kg, and provides a reliable connection for a variety of applications.Suitable for MAN D EnginesThe collar screw is suitable for MAN D engines, ensuring optimal functionality. With this connection, you can enhance the longevity and efficiency of your machines. Equip your setup with this powerful screw element that meets the highest quality standards.
SCREW/BOLT - 85400006141 suitable for MAN D engines
Precise Screw/Bolt Suitable for MAN DDiscover the screw/bolt with reference number 85400006141, specifically designed for MAN D engines. This OEM replacement part belongs to the article group "Screws" and is intended to support the performance of your engines. Weighing only 0.05 kg, this product offers an ideal combination of stability and lightness, making it impressive in demanding applications.Robust Quality for EnginesAs an OEM replacement part, the screw/bolt impresses with its excellent manufacturing quality. It is essential for the reliability of your engines and ensures precise assembly. This screw/bolt is not only suitable for MAN D engines but also for numerous other well-known manufacturers and their products, including MWM, Mercedes-Benz, Deutz, Volvo, MTU, Bosch, and Detroit Diesel.
SCREW/BOLT - 85400006128 suitable for MAN D engines
Excellent Screw/Bolt with Comparison Number 85400006128Discover our product: the screw/bolt with the comparison number 85400006128, suitable for MAN D engines. This OEM replacement part ensures optimal fit and high reliability. Weighing 0.23 kg, it is lightweight yet powerful, ideal for use in marine and stationary engines.Trust in OEM Replacement Parts Our screw/bolt, listed under the comparison number 85400006128, is an essential component, compatible with MAN D engines. As an OEM replacement part, we offer quality that meets the highest demands of engines. The precise manufacturing of this screw/bolt ensures that your engine operates efficiently and smoothly.
SCREW/BOLT - 85400006124 suitable for MAN D engines
Technical Excellence: Screw/Bolt Compatible with MAN D EnginesDiscover the screw/bolt with the comparison number 85400006124, an essential product for your engines. This replacement part offers the required quality to support the efficiency of your machines. Weighing 0.3 kg, this screw/bolt is ideally suited for marine and stationary applications.
SCREW/BOLT - 85400006100 suitable for MAN D engines
Reliable Screw – Your OEM Replacement PartDiscover our screw with the comparison number 85400006100, which has been developed as an OEM replacement part suitable for MAN D engines. This precisely manufactured screw meets high demands in challenging applications and offers excellent performance for engines used in marine and stationary applications. Weighing 0.17 kg, it impresses with its robustness and durability.Perfect Fit for MAN D EnginesThe screw with the comparison number 85400006100 is an essential component that perfectly matches the MAN D engines. Thanks to its careful construction, you can be confident that your machines will operate reliably. Rely on OEM replacement parts to maximize the lifespan and efficiency of your engines.
THREADED ROD - 85400006094 suitable for MAN D engines
Robust Threaded Rod for Reliable ApplicationsThe threaded rod with the comparison number 85400006094 is an indispensable OEM spare part that can be reliably used in various applications. This qualitatively executed product belongs to the group of screws and impresses with precise workmanship. Suitable for MAN D engines, this threaded rod ensures that your engine functions optimally and can unleash its performance.Easy Handling for Industrial UseWeighing only 0.12 kg, the threaded rod is extremely light and easy to install. It has been specifically designed for MAN D engines, allowing you to rely on a perfect integration into your existing systems. The OEM spare part provides the necessary fastening for a variety of applications in marine and stationary environments.
THREADED ROD - 85400005581 suitable for MAN D engines
Threaded rod with comparison number 85400005581 Discover the threaded rod with comparison number 85400005581, specifically designed to fit MAN D engines. This product belongs to the category of screws and ensures a precise connection, which is essential for the functionality of your engines. Weighing only 0.13 kg, handling is simple and efficient.Quality through OEM replacement partsOur threaded rod represents an OEM replacement part. This quality provides you with assurance for the performance of your diesel or gas engines in marine and stationary applications. Trust in the reliability that an OEM replacement part offers to ensure the efficiency of your engines. You receive a product that delivers the best performance.
THREADED ROD - 85400005580 suitable for MAN D engines
Threaded rod suitable for MAN D engines Discover our threaded rod with the comparison number 85400005580 – an essential product that is suitable for MAN D engines. Weighing only 0.07 kg, this threaded rod is ideal for ensuring the efficiency of your diesel or gas engines in marine and stationary applications as well as in locomotives.Quality and Reliability through OEM replacement parts Our threaded rod is an OEM replacement part, representing the highest quality and reliability. This means that when acquiring this replacement part, you can be assured that it meets strict industry standards. All OEM replacement parts are carefully tested to provide optimal performance in various applications.
THREADED ROD - 85400005576 suitable for MAN D engines
Threaded rod suitable for MAN D enginesDiscover our threaded rod with the comparison number 85400005576, which has been specially designed for use in engines. This product belongs to the group of screws and offers you the highest reliability. Weighing only 0.08 kg, the threaded rod is ideal for use in various marine and stationary applications.OEM replacement parts for the highest standardsOur threaded rod is an OEM replacement part and thus suitable for MAN D engines. This means it meets the strict quality requirements set by the manufacturer. Rely on the quality and durability of this product to optimize the performance of your engines.
SCREW/BOLT - 85400005264 suitable for MAN D engines
Robust Screw for Long Service LifeDiscover the screw/bolt with the comparison number 85400005264, designed to be exactly suitable for MAN D engines. This OEM spare part belongs to the category of screws and offers optimal fit and functionality thanks to its excellent craftsmanship. Weighing only 0.04 kg, this product is lightweight yet stable, making it ideal for use in marine and stationary engines.Quality through OEM Spare PartsWe offer you OEM spare parts that meet high-quality standards. The comparison number 85400005264 ensures that you receive the correct spare part for suitable for MAN D engines. With this product, you can ensure the efficiency and reliability of your engines, leading to smooth operation.
SCREW/BOLT - 85400005263 suitable for MAN D engines
Essential Screw with Comparison Number 85400005263Discover the screw with the comparison number 85400005263 – an important product that is essential for the reliable functioning of your MAN D engines. This screw belongs to the group "Screws" and is designed as an OEM replacement part. Weighing only 0.21 kg, it offers both robustness and ideal handling in the engine area.OEM Replacement Parts for Maximum PerformanceOur screw 85400005263 is an OEM replacement part that optimizes engine performance. It is suitable for MAN D engines and allows for effortless assembly. To ensure that you receive only the best engine performance, this product undergoes strict internal controls to provide flawless functionality.
SCREW/BOLT - 85400005262 suitable for MAN D engines
Precision Screw for MAN D EnginesDiscover the screw/bolt with the comparison number 85400005262, a specialized OEM spare part designed for MAN D engines. Weighing 0.32 kg, this product meets the highest demands for stability and durability essential for the smooth operation of your engines. Optimize your applications in marine and stationary use with this reliable component.
SCREW PLUG - 85400004850 suitable for MAN D engines
Screw plug suitable for MAN D enginesDiscover our screw plug, which bears the comparison number 85400004850 and is suitable for MAN D engines. This product belongs to the category "Screws" and offers the precision you expect from an OEM replacement part.
SCREW PLUG - 85400004802 suitable for MAN D engines
Screw Plug with Comparison Number 85400004802Discover the screw plug with the comparison number 85400004802, specially designed to support engines. This product is part of the "Screws" category and is characterized by precise workmanship. Weighing 0.48 kg, this screw plug is perfect for demanding applications that require reliable use.
SCREW PLUG - 85400004799 suitable for MAN D engines
Reliable Screw Plug suitable for MAN D enginesThe screw plug with the comparison number 85400004799 is an essential product for all applications requiring top performance. This OEM spare part is specifically manufactured to meet the highest industry standards suitable for MAN D engines. Its precise fit ensures that you can rely on robust functionality in demanding environments.
SCREW PLUG - 85400004738 suitable for MAN D engines
Efficient Screw Plug Suitable for MAN D EnginesDiscover our product, the screw plug with the comparison number 85400004738, specifically designed to function reliably in MAN D engines. This replacement part offers excellent fit and is essential for the optimal functioning of your engine. Weighing only 0.04 kg, this screw is ideal for various applications in the marine and stationary sectors.Quality of Replacement PartsOur part, the screw plug, is a replacement part that meets the highest quality standards. It is suitable for the demands of MAN D engines and provides you with a durable solution to enhance the efficiency and reliability of your engine. Trust in our expertise to keep your engines in top condition.
VENT PLUG - 85400004737 suitable for MAN D engines
Vent Plug with Comparison Number 85400004737Discover our OEM replacement part, the vent plug with the comparison number 85400004737. This essential component is suitable for MAN D engines and ensures reliable functionality of your drivetrain. Rely on our long-standing expertise in the field of engine replacement parts.Functional Product for the Marine SectorThe vent plug has been designed specifically for MAN D engines to ensure the necessary pressure equalization. This facilitates optimal operation of your machines as well as high longevity. Count on quality with our OEM replacement parts.
HEXAGON BOLT - 85400004688 suitable for MAN D engines
Excellent OEM Replacement Part for Your EnginesDiscover the Hexagon bolt (Comparison number: 85400004688), an outstanding OEM replacement part designed to ensure optimal performance in your engines. This product is suitable for MAN D engines and provides you with a long-term solution for your replacement part needs.Robust Materials and Perfect FitThe Hexagon bolt impresses with the use of durable materials that not only offer stability but also ensure corrosion resistance. With its precise construction, it is perfectly compatible with MAN D engines and contributes to the efficiency of your machines.
SCREW/BOLT - 85400004503 suitable for MAN D engines
Reliable screw suitable for MAN D enginesDiscover our screw with the comparison number 85400004503. This OEM spare part is specifically designed for MAN D engines and ensures optimal fit. Weighing 0.44 kg, this product offers the robustness you need for demanding applications.
SCREW/BOLT - 85400004453 suitable for MAN D engines
Precise Solutions for Your RequirementsDiscover our OEM replacement part, the screw/bolt with the comparison number 85400004453, suitable for MAN D engines. This specially designed screw/bolt ensures maximum precision and reliability for use in marine and stationary applications. Weighing only 0.32 kg, this product is not only functional but also designed for longevity.
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.