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:
HEX SHOULDER STUD - 81900010396 suitable for MAN D engines
Hex shoulder stud: Your SolutionDiscover our product, the hex shoulder stud with the comparison number 81900010396. This OEM spare part is specifically designed for the demanding requirements of your engines. Weighing only 0.04 kg, the stud is both lightweight and sturdy, ensuring reliable operation in applications that work with MAN D engines.Reliable Use: Suitable for MAN D EnginesThe hex shoulder stud is suitable for MAN D engines and represents an indispensable element in your machinery. As an OEM spare part, it offers quality that is optimally tailored to the specific needs of your engines. Rely on the durability and reliability of this product to ensure the continuous operation of your facilities.
HEX SHOULDER STUD - 81900010395 suitable for MAN D engines
Precision Hex Shoulder Stud for Your EnginesDiscover the hex shoulder stud with the comparison number 81900010395, an indispensable product for everyone who values quality. This stud is suitable for MAN D engines and impresses with its precise workmanship, which is essential for marine and stationary applications. Weighing only 0.02 kg, it ensures that it is ideal for numerous installations.
HEX SHOULDER STUD - 81900010394 suitable for MAN D engines
Premium Hex shoulder stud for applicationsDiscover our product, the hex shoulder stud with the comparison number 81900010394. This OEM spare part offers optimal fit with a special design that is compatible with MAN D engines. Rely on the quality that our spare parts provide to achieve maximum efficiency in various applications.
HEXAGON BOLT - 81900010391 suitable for MAN D engines
Robust Hexagon Bolt for Technical ApplicationsOur Hexagon bolt with the comparison number 81900010391 is an essential OEM spare part designed for industrial applications. Weighing only 0.04 kg, this product offers excellent suitability to meet your technical requirements and perfectly complements your machine.Designed for MAN D EnginesThe OEM spare part is compatible with MAN D engines and impresses with its precise construction. Our hexagon bolt is designed to be reliably used in various applications, making it the ideal choice for maintenance and repair work.
HEX SHOULDER STUD - 81900010390 suitable for MAN D engines
Hex shoulder stud suitable for MAN D enginesDiscover our hex shoulder stud with the comparison number 81900010390, specifically designed for industrial requirements. This product offers a precise fit and is an indispensable OEM spare part, categorized under "Screws". Weighing just 0.04 kg, this hex shoulder stud meets the highest standards of reliability and durability.Quality that convincesOur hex shoulder stud is designed for MAN D engines and impresses with its excellent workmanship. As an OEM spare part, it provides optimal performance, ensuring that your machines remain reliable in operation. Companies that depend on top-notch quality make the right choice with this product.
HEX SHOULDER STUD - 81900010389 suitable for MAN D engines
Robust Hex Shoulder Stud for Your ApplicationsDiscover the hex shoulder stud with the comparison number 81900010389. This high-quality product is characterized by excellent workmanship and durable properties. The OEM replacement part is specially designed to provide a safe connection in demanding applications.
HEXAGON BOLT - 81900010388 suitable for MAN D engines
Hexagon Bolt with Comparison Number 81900010388Discover the Hexagon bolt with comparison number 81900010388, an essential OEM replacement part specifically designed to function reliably in engines. This bolt is optimal for use in applications that require precise and durable components. Weighing only 0.03 kg, it is lightweight yet robust enough to meet the demands in your operation.Precision for MAN D EnginesThe Hexagon bolt is suitable for MAN D engines and offers the highest precision. These OEM replacement parts provide an exact fit that is crucial for the proper operation of your engines. Trust in the design and quality that is specifically tailored to the requirements of this engine class.
HEX SHOULDER STUD - 81900010386 suitable for MAN D engines
Discover the Hex Shoulder StudThe hex shoulder stud with the comparison number 81900010386 is an essential product for the smooth operation of your machines. It belongs to the article group of screws and is distinguished by the highest quality and reliability. Thanks to its robust design, it is ideal for demanding applications and ensures a long service life.
HEX SHOULDER STUD - 81900010385 suitable for MAN D engines
Hex Shoulder Stud – Quality for Your ApplicationsDiscover our Hex shoulder stud, classified under the comparison number 81900010385 in the category "Screws". This product is specifically designed to ensure a reliable connection in high-performance applications. Weighing only 0.07 kg, the stud is not only lightweight but also ideal for use in demanding environments.Suitable for MAN D EnginesThis Hex shoulder stud is precisely designed for MAN D engines. As an OEM replacement part, it meets the highest standards of quality and durability. With its careful construction and materials, the stud is perfectly suited for marine and stationary applications. You can rely on the performance of this product.
HEX SHOULDER STUD - 81900010384 suitable for MAN D engines
Hex Shoulder Stud for Efficient EnginesDiscover our hex shoulder stud with the comparison number 81900010384, an essential component for use in engines. This stud belongs to the category of screws and impresses with its precision. It weighs only 0.04 kg and is characterized by exceptional robustness that meets all requirements of engines.
HEX SHOULDER STUD - 81900010383 suitable for MAN D engines
First-Class Hex Shoulder Stud for Your NeedsThe hex shoulder stud with the comparison number 81900010383 is an essential OEM replacement part for the reliable maintenance of engines. This screw belongs to the product category of screws and impresses with its precise processing and high load capacity, making it the optimal choice for various applications.Fits MAN D Engines: Solid QualityThis hex shoulder stud is precisely designed for MAN D engines and offers the necessary performance and durability essential for operation. Weighing only 0.08 kg, it supports easy handling without compromising on robustness. Rely on the precision that only OEM replacement parts can provide.
HEX SHOULDER STUD - 81900010382 suitable for MAN D engines
Robust Hex Shoulder Stud for Your NeedsDiscover the hex shoulder stud with the comparison number 81900010382, an OEM replacement part specifically designed to meet the highest demands. This product is suitable for MAN D engines and offers optimal fit and excellent performance. With a weight of just 0.05 kg, this replacement part is easy to handle and sturdy enough for long-term use in challenging environments.Suitable for MAN D Engines - Ensure ReliabilityThe hex shoulder stud meets the high standards of OEM replacement parts and ensures that your engines run efficiently. Through our strict internal controls, we ensure that each individual part is of high quality. The comparison number 81900010382 stands for reliability that you can trust. Do not compromise when choosing your engine components!
HEX SHOULDER STUD - 81900010380 suitable for MAN D engines
Quality of Hex Shoulder Stud Discover our hex shoulder stud with the comparison number 81900010380, which is essential for use in engines. This product, suitable for MAN D engines, delivers the performance you need to optimize your diesel and gas engines. Weighing only 0.01 kg, this screw is lightweight yet robust, making it ideal for marine and stationary applications.Trust in OEM Replacement Parts Our hex shoulder stud is a premium OEM replacement part and provides the reliable quality you need. The OEM replacement part with the comparison number 81900010380 ensures an optimal fit as well as an extended lifespan for your engines. Trust our expertise in replacement parts to secure the maintenance of your machines.
HEXAGON BOLT - 81900010379 suitable for MAN D engines
Precision Hexagon Bolt for MAN D EnginesDiscover the hexagon bolt with the comparison number 81900010379, an indispensable product for your engines. This bolt belongs to the group of screws and withstands even extreme conditions. It has been precisely manufactured to meet the high demands of engines used in marine and stationary applications as well as in locomotives.Optimal Fit for MAN D EnginesOur hexagon bolt is compatible with MAN D engines and provides you with the assurance that your engine is equipped with the best components. As an OEM spare part, this product meets the highest standards of the industry in terms of durability and reliability. Every detail is designed for maximum efficiency to meet your requirements.
HEX SHOULDER STUD - 81900010378 suitable for MAN D engines
Quality of the Hex Shoulder Stud in DetailDiscover the hex shoulder stud with the comparison number 81900010378, an essential product from our group of screws. This spare part is specifically designed to fit MAN D engines. Weighing only 0.06 kg, it ensures reliable application in various engines.OEM Spare Parts for Demanding ApplicationsOur hex shoulder stud impresses with its quality as an OEM spare part. Unlike aftermarket parts, which often have restricted performance, we ensure that all our spare parts meet the highest manufacturer's standard. As part of our extensive range of over 1 million spare parts, we provide you with the assurance you need.
HEX SHOULDER STUD - 81900010374 suitable for MAN D engines
Robust Hex Shoulder Stud for MAN D EnginesThe hex shoulder stud with the comparison number 81900010374 is an indispensable product specifically designed for applications in marine and stationary areas. This spare part belongs to the screws category and provides you with the precise quality expected from engine spare parts. Weighing only 0.01 kg, this stud is an ideal addition to your machinery.
HEXAGON BOLT - 81900010353 suitable for MAN D engines
Quality Hexagon Bolt for EnginesDiscover the hexagon bolt with the reference number 81900010353, an essential component for engines. This hexagon bolt is characterized by its high quality and reliability. Weighing only 0.03 kg, it is the ideal choice for those who value precise fit. This component offers stability and longevity for your applications.
HEX SHOULDER STUD - 81900010342 suitable for MAN D engines
Hex shoulder stud with comparison number 81900010342The hex shoulder stud with the comparison number 81900010342 is the ideal product to ensure the performance of your engines. Weighing only 0.01 kg, this stud is not only light but also robust, and it has been designed suitable for MAN D engines. It belongs to the article group of screws and is of critical importance in marine as well as locomotive technology.
HEXAGON BOLT - 81900010331 suitable for MAN D engines
Convincing OEM Replacement Part: Hexagon BoltThe Hexagon bolt with the comparison number 81900010331 is an excellent OEM replacement part that meets the highest quality standards. This product ensures a perfect fit and functionality in your engines. Rely on proven quality for long-lasting performance and reliability.
HEXAGON BOLT - 81900010326 suitable for MAN D engines
Precise Hexagon Bolt for EnginesDiscover our hexagon bolt with the reference number 81900010326, specifically designed to fit MAN D engines. This OEM replacement part offers an optimal fit and maximum reliability, which is essential for the longevity of your engines. Weighing just 0.01 kg, this hexagon bolt combines lightweight construction with impressive robustness.Quality Products for Maximum PerformanceOur hexagon bolt belongs to the screws category and is designed for MAN D engines. Every OEM replacement part undergoes strict internal controls to ensure it meets the highest standards. This ensures that you can rely on the best quality when maintaining your engines.
HEXAGON BOLT - 81900010325 suitable for MAN D engines
Robust Hexagon Bolt for Demanding ApplicationsDiscover the hexagon bolt with the comparison number 81900010325, an essential product suitable for MAN D engines. This OEM replacement part offers not only precision but also the necessary strength to function perfectly in demanding environments. With a weight of only 0.02 kg, it is an ideal choice for both marine and stationary applications.Quality for Your MAN D EnginesThe hexagon bolt from our group of screws is characterized by durability. It is designed to fit MAN D engines and provides a precise connection that enhances the efficiency of your machines. Our OEM replacement parts are geared towards high performance, making them the first choice for professional applications.
HEXAGON BOLT - 81900010323 suitable for MAN D engines
Hexagon bolt with comparison number 81900010323Discover the hexagon bolt with comparison number 81900010323, specifically designed to provide an excellent solution for MAN D engines. This bolt belongs to the group of screws and offers the necessary stability and precision for high-performance applications in diesel and gas engines. Weighing only 0.1 kg, this product is an essential component for any demanding engine application.
HEX SHOULDER STUD - 81900010319 suitable for MAN D engines
Robust Hex Shoulder Stud at Attractive ConditionsDiscover the hex shoulder stud with the comparison number 81900010319, specifically designed to meet your requirements. This OEM replacement part is suitable for MAN D engines and impresses with optimal fit and reliability, which are essential in the marine and stationary operational world.
HEX SHOULDER STUD - 81900010311 suitable for MAN D engines
Robust Hex Shoulder Stud for Powerful EnginesDiscover the hex shoulder stud with the comparison number 81900010311, an important spare part for the efficient maintenance of your engines. This screw is an OEM spare part that supports the precise functionality of your applications. Weighing only 0.01 kg, it offers optimal performance in various areas of use.
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.