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:
CYLINDER SCREW - 81900010162 suitable for MAN D engines
Cylinder Screw in DetailDiscover our Cylinder Screw with the comparison number 81900010162, an essential product for diesel and gas engines. This Cylinder Screw belongs to the article group of Screws and impresses with its precise workmanship. With a weight of only 0.011 kg, this OEM replacement part is lightweight yet particularly durable.
HEX SHOULDER STUD - 81900010158 suitable for MAN D engines
Hex shoulder stud for high-performance enginesDiscover the hex shoulder stud with the comparison number 81900010158, specifically designed for use in engines. This robust product weighs only 0.04 kg and belongs to the category of screws. It ensures a secure connection in your applications and contributes to the reliability of your machines.Suitable for MAN D engines – Quality in detailAs an OEM replacement part, the hex shoulder stud is perfectly tailored to the specific requirements of MAN D engines. Compared to aftermarket products, our OEM replacement parts offer the assurance that you are using only the best components for your engines. Our products ensure an excellent fit and longevity.
HEX SHOULDER STUD - 81900010151 suitable for MAN D engines
Reliable Hex Shoulder Stud for Your RequirementsDiscover the Hex shoulder stud with the comparison number 81900010151, an essential OEM spare part designed specifically for your needs. This product impresses with its precise fit and is ideal for various applications in the field of engines. Weighing only 0.07 kg, it is an excellent choice that combines robustness and lightness.Suitable for MAN D Engines: Quality and ReliabilityOur Hex shoulder stud is suitable for MAN D engines and part of an extensive category of screws for diverse applications. If you are looking for stability and efficiency, this spare part is an excellent choice to achieve optimal performance.
HEX SHOULDER STUD - 81900010147 suitable for MAN D engines
Quality Product for Reliable ApplicationsDiscover the Hex shoulder stud with the comparison number 81900010147, an essential component suitable for MAN D engines. This product meets the highest standards and ensures a precise fit, which is necessary in demanding applications such as marine and stationary use as well as locomotives. Weighing only 0.1 kg, this Hex shoulder stud combines robust construction and functionality.Robust Performance in ActionAs an OEM replacement part, you will benefit from the outstanding quality of the product. The Hex shoulder stud 81900010147 is exactly what you need for your engines to ensure longevity and reliability. This excellent quality ensures that your engines operate efficiently and powerfully.
HEX SHOULDER STUD - 81900010143 suitable for MAN D engines
Reliable Product: Hex Shoulder StudDiscover the hex shoulder stud with the comparison number 81900010143, an essential OEM spare part that stands out for its quality and reliability. This product weighs only 0.02 kg and is ideal for complex requirements in marine and stationary applications, particularly for engines compatible with MAN D.Suitable for Your MAN D EnginesThe hex shoulder stud is an indispensable component specifically designed to optimize the functionality of engines compatible with MAN D. You are receiving an OEM spare part that meets the stringent standards of the manufacturer, keeping your machines efficient.
ELONGATING HEX COLLAR BOLT - 81900010132 suitable for MAN D engines
Quality Product for Marine and Stationary EnginesDiscover the elongating hex collar bolt (comparison number: 81900010132) – a crucial OEM replacement part specifically designed for the requirements of engines in marine and stationary applications. With this elongating hex collar bolt, you receive a reliable product characterized by precision and durability to optimize your engine performance.Suitable for MAN D: Perfect IntegrationThe elongating hex collar bolt is suitable for MAN D engines and ensures a secure fastening under extreme conditions. Thanks to its high-quality workmanship, it is ideal for demanding applications and provides the necessary stability for your engines. Weighing only 0.12 kg, the product is handy without compromising efficiency.
SCREW PLUG - 81900010118 suitable for MAN D engines
Screw plug compatible with MAN D enginesDiscover the screw plug with the comparison number 81900010118, specifically manufactured to ensure optimal performance in your engine applications. This OEM spare part is suitable for MAN D engines and belongs to the category of screws. Weighing only 0.037 kg, the screw plug impresses with its compact yet robust design.Quality through OEM spare partsOur screw plug with the comparison number 81900010118 is an OEM spare part that meets the highest quality standards. Unlike aftermarket products, it offers precise fit and durability. Choose a product that has been specifically developed for reliable use in marine and stationary applications as well as for locomotives. Trust in products that are tailored to the needs of your engines.
VENT PLUG - 81900010086 suitable for MAN D engines
Vent Plug: Efficient Solution for Your ApplicationsThe vent plug with the comparison number 81900010086 is an essential OEM spare part that helps optimize the performance of your engine. Weighing only 0.005 kg, it ensures reliable pressure regulation in your engine operation. This product is specifically designed to release excess air, enhancing efficiency and extending the lifespan of the engine.
HEXAGON BOLT - 81900010054 suitable for MAN D engines
Hexagon bolt suitable for MAN D enginesThe hexagon bolt with the reference number 81900010054 is an excellent product for the repair of engines. This OEM replacement part meets the highest standards and is suitable for MAN D engines. With a weight of only 0.002 kg, this hexagon bolt is easy to handle and install.Quality and reliability through OEM replacement partsThis product is a component in the screws category that supports you in the maintenance of your diesel and gas engines. Thanks to the reference number 81900010054, you can ensure that you receive an OEM replacement part that is specifically designed for use in demanding applications such as marine and stationary engines.
HEX SHOULDER STUD - 81900010037 suitable for MAN D engines
Hex Shoulder Stud – Your Component for Efficient EnginesDiscover the hex shoulder stud with the comparison number 81900010037, specifically designed for use in engines. This product is a crucial component when it comes to the reliable functioning of your machines, particularly in marine or stationary applications. Weighing only 0.04 kg, this component offers excellent handling.Precision for MAN D EnginesThe hex shoulder stud is suitable for MAN D engines and provides the quality you would expect from an OEM replacement part. The precise manufacturing of these components ensures an accurate fit, which is critical for maximizing the performance and longevity of your engines.
HEX SHOULDER STUD - 81900010002 suitable for MAN D engines
Robust Hex Shoulder Stud for Demanding ApplicationsDiscover our hex shoulder stud with the comparison number 81900010002, an indispensable product suitable for MAN D engines. This stud offers excellent material properties and ensures that your engines operate optimally. Weighing only 0.027 kg, it is lightweight yet robust, ideal for use in both maritime and stationary applications.Reliability in Original Equipment Manufacturer QualityThis OEM replacement part stands out due to its high quality and precision fit, as it has been specifically designed for MAN D engines. Rely on our hex shoulder stud, which can be found in the screws category and provides the performance you expect from an OEM replacement part.
SCREW/BOLT - 81671100023 suitable for MAN D engines
Screw suitable for MAN D enginesDiscover the screw with the comparison number 81671100023, a reliable OEM spare part that is suitable for MAN D engines. This screw ensures a perfect fit to achieve the optimal performance of your engines and meets the manufacturer's quality standards.Convincing quality for your enginesWith the comparison number 81671100023, you receive an OEM spare part that is characterized by durability and precision. Our products are always suitable for MAN D engines and provide the quality you expect from a manufacturer.
SCREW/BOLT - 81671100022 suitable for MAN D engines
Custom Screw with Comparison Number 81671100022 Discover our custom screw with the comparison number 81671100022, which is considered an OEM replacement part. This product is specially designed to ensure precise fitment for engines compatible with MAN D, meeting the highest demands for performance and reliability.Precision and Quality of OEM Replacement Parts Our screw, available under the comparison number 81671100022, is an example of our commitment to precise manufacturing. Each OEM replacement part is carefully selected to ensure the functionality and durability that engines compatible with MAN D require.
SCREW/BOLT - 81671100021 suitable for MAN D engines
Reliable Screw: Comparison Number 81671100021Discover the reliable screw with comparison number 81671100021, an essential OEM replacement part that offers precise fit. This screw is ideal for engines in marine and stationary applications and meets the highest standards.
SCREW/BOLT - 81671100019 suitable for MAN D engines
Quality Product: Screw with Comparison Number 81671100019Discover the screw with the comparison number 81671100019, an essential OEM replacement part specifically designed for MAN D engines. This product ensures a reliable connection and is crucial for the efficiency of your engines.Suitable for Your ApplicationsOur screw is suitable for MAN D engines and belongs to the category of screws. Rely on this premium OEM replacement part that meets the high standards of all leading manufacturers. Quality that pays off!
THREADED ROD - 81629105108 suitable for MAN D engines
Threaded rod for MAN D enginesDiscover our threaded rod with the comparison number 81629105108, an essential spare part suitable for MAN D engines. This threaded rod is specifically designed to provide a reliable connection and performance. Weighing 0.58 kg, this product offers stability and is ideal for various applications in the marine and stationary sectors.
THREADED ROD - 81629105070 suitable for MAN D engines
Threaded Rod: Precision Component for EnginesDiscover the threaded rod with the reference number 81629105070, specially designed to offer outstanding performance as an OEM replacement part. This product meets the highest manufacturing standards and ensures that your engines operate efficiently and reliably. Weighing 0.58 kg, this threaded rod is characterized by stability and durability.Suitable for MAN D EnginesThis threaded rod is essential for the maintenance of engines in marine and stationary applications. It is suitable for MAN D engines and offers the perfect combination of safety and efficiency. Rely on the quality of OEM replacement parts specifically designed for the requirements of your systems.
SCREW/BOLT - 81626910010 suitable for MAN D engines
Perfect Screw for Reliable ApplicationsDiscover the screw with the comparison number 81626910010 – an essential product designed specifically to ensure the reliability of engines. This screw, an OEM replacement part, provides the perfect connection in your systems. Weighing only 0.02 kg, it is lightweight yet sturdy, making it ideal for various applications in the marine and locomotive sectors.OEM Replacement Parts Suitable for MAN D EnginesThis screw is suitable for MAN D engines and contributes to optimal performance. As an OEM replacement part, it ensures the necessary quality and durability you can expect from a product used in demanding environments. Trust our expertise in supplying components for engines and machines.
CONTROL ROD - 81623866000 suitable for MAN D engines
Precise Spare Part: Control Rod 81623866000Discover the control rod with the reference number 81623866000 – an essential product used for a variety of applications in both marine and stationary environments. This elegant component weighs only 0.055 kg and provides the necessary precision for the maintenance of your engines.Quality through OEM ProductionThis control rod is an OEM spare part specifically designed for MAN D engines. Our focus with OEM spare parts is on quality and accuracy. Unlike aftermarket products, which may be sourced from various manufacturers, our OEM spare parts ensure exact compatibility with your engine's specifications.
SCREW/BOLT - 81623050062 suitable for MAN D engines
Precise Screw for Reliable Engine Applications Discover the screw with the comparison number 81623050062 – an essential OEM spare part. This product is suitable for MAN D engines and ensures that your engine operates flawlessly. Our OEM spare parts stand out due to their excellent quality and perform impressively in every application.Tailored Solutions for MAN D Engines This screw is an important component, compatible with MAN D engines. With a design specifically developed for marine and stationary use, this product delivers exceptional performance that will exceed your expectations.
CYLINDER LOCK SCREW - 81623050031 suitable for MAN D engines
Precision Cylinder Lock ScrewDiscover the cylinder lock screw with the comparison number 81623050031, suitable for MAN D engines. This OEM replacement part impresses with its precise fit and provides the reliability you need for applications in demanding environments, such as marine or locomotive use.Efficient Design and LightweightThe cylinder lock screw weighs only 0.03 kg, making it easy to handle. This product is simple to install and contributes to the efficiency of your engine. Rely on this OEM replacement part that meets the strict requirements of the manufacturer.
HEXAGON BOLT - 81502170002 suitable for MAN D engines
Trusted and Reliable: Hexagon Bolt for Your NeedsDiscover the hexagon bolt with the reference number 81502170002, a top-quality OEM replacement part compatible with MAN D engines. This bolt from the category "Screws" stands out for its precise processing and high quality. Weighing only 0.007 kg, it is the ideal choice to support the functionality of your engines.
BRAKE SHOE PIN - 81502120036 suitable for MAN D engines
Reliable Screw for Demanding ApplicationsDiscover our product, the screw with the comparison number 81502120036, which is specifically designed for use in engines. This OEM replacement part weighs 0.52 kg and is the ideal choice for demanding applications in marine and locomotive technology.Suitable for MAN D EnginesOur screw is suitable for MAN D engines and offers excellent fit accuracy. Compared to aftermarket alternatives, which often struggle with variations in quality and fit, OEM replacement parts ensure reliable operation. Trust our products that have been specially developed for the highest demands.
FITTING BOLT - 81502120019 suitable for MAN D engines
Excellent Fitting Bolt: Comparison Number 81502120019Discover the fitting bolt with the comparison number 81502120019, specifically designed to support engines suitable for MAN D. This fitting bolt belongs to the product group screws and offers remarkable performance and reliability. Weighing 0.62 kg, this component is ideal for robust use in various applications.OEM Spare Parts: Perfect Fit and QualityThe comparison number 81502120019 designates an OEM spare part that is manufactured to original equipment manufacturer quality. Unlike aftermarket products, our OEM spare part ensures a precise fit and durability. You can be confident that this fitting bolt is optimally suited for your MAN D engines and meets high requirements.
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.