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:
STUD - 51902010077 suitable for MAN D-engines
Discover the Stud, suitable for MAN D enginesDiscover our Stud with the comparison number 51902010077, which plays a central role in your applications. This product belongs to the group of Screws and is compatible with MAN D engines. Weighing only 0.02 kg, it is perfect for a wide range of uses in the marine and stationary engine industry.
STUD - 51902010032 suitable for MAN D-engines
STUD with the comparison number 51902010032 suitable for MAN D-engines
STUD - 51902010029 suitable for MAN D-engines
Robust Stud as an Essential ProductDiscover our product, the stud with the comparison number 51902010029. This stud belongs to the group of screws and represents an indispensable safety and functional component that supports the overall efficiency of your engines.Optimal Fit: Suitable for MAN D EnginesThe stud is specifically designed for MAN D engines and optimizes the operation of these powerful drives. As an OEM replacement part, it ensures that all components work harmoniously together, thereby increasing the performance of your machines.
STUD - 51902010012 suitable for MAN D-engines
Premium Stud with Comparison Number 51902010012 The Stud with the comparison number 51902010012 is an essential OEM replacement part that is optimal for reliable engine applications. This product impresses with excellent quality and durability. Weighing only 0.025 kg, the Stud is lightweight yet robust – perfect for use in demanding environments.
COUNTERSUNK SCREW - 51900400010 suitable for MAN D-engines
Countersunk Screw for Reliable Engine ApplicationsThe countersunk screw with the comparison number 51900400010 is an essential OEM spare part that is optimally tuned to challenging conditions in connection with diesel and gas engines. This component provides the necessary stability and functionality for long-lasting performance.Suitable for MAN D Engines – Optimal FitThis product is suitable for MAN D engines and ensures a precise fit. Using OEM spare parts ensures their high quality and reliability in your application, supporting immediate performance.
COUNTERSUNK SCREW - 51900400007 suitable for MAN D engines
Efficient Countersunk Screw for Engines Discover the countersunk screw M10x70-10.9-man18, which with the reference number 51900400007 represents a reliable OEM spare part. This countersunk screw combines precision and durability, making it ideal for enhancing the performance of your machines. Perfectly suited for MAN D engines, this product meets professional demands in marine and stationary technology.
COUNTERSUNK SCREW - 51900400006 suitable for MAN D-engines
Robust Countersunk Screw Made from High-Quality MaterialDiscover the countersunk screw with the comparison number 51900400006, which has been specially designed as an OEM replacement part. This product is suitable for MAN D engines and meets all the criteria you expect from a top-quality replacement part. With its durability, this countersunk screw helps create a reliable connection in engines known for their longevity.Benefits of OEM Replacement Parts in FocusUnlike aftermarket alternatives, OEM replacement parts, such as this countersunk screw, provide the quality that your devices require. Weighing only 0.04 kg, it highlights ease of handling and ensures that this replacement part can be used efficiently in various applications. Rely on materials specifically designed to optimize engine performance.
COUNTERSUNK SCREW - 51900400005 suitable for MAN D-engines
Excellent Countersunk Screw for Perfect UseDiscover the countersunk screw with the comparison number 51900400005, an essential OEM replacement part, suitable for MAN D engines. This precisely manufactured countersunk screw belongs to the article group of screws and is specifically designed for the reliable operation of your engines in marine and stationary applications.Easy Installation Thanks to Optimal FitThe countersunk screw, based on the comparison number 51900400005, provides an optimal fit for your MAN D engines. With this precisely processed countersunk screw, you minimize the risk of failures while simultaneously reducing maintenance costs by choosing quality.
COUNTERSUNK SCREW - 51900400003 suitable for MAN D-engines
The Ideal Countersunk Screw for Efficient ApplicationsThe countersunk screw with the reference number 51900400003 is a crucial product that is ideally suited to meet your needs. This durable OEM replacement part is compatible with MAN D engines and offers excellent functionality in various industrial applications due to its perfect manufacturing.Precise Screws for Optimal GripWeighing only 0.02 kg, the countersunk screw is a lightweight yet robust component that is relevant for efficient solutions. High processing quality makes this screw a reliable OEM replacement part that you can depend on to maintain the integrity of your systems.
CYLINDER SCREW - 51900300127 suitable for MAN D-engines
Cylinder Screw for Reliable EnginesDiscover the cylinder screw, an OEM replacement part cataloged under the comparison number 51900300127. This product ensures that engines achieve optimal performance.Optimal Fit: Suitable for MAN DOur cylinder screw is specifically designed to fit MAN D engines. With this choice, you make a high-quality decision for the maintenance of your machines. Rely on the stable quality associated with the comparison number 51900300127.
CYLINDER SCREW - 51900300126 suitable for MAN D-engines
Cylinder Screw of the Highest ClassDiscover the cylinder screw, an outstanding OEM replacement part with the reference number 51900300126. This product impresses with its robustness and is perfectly suited for your applications.Suitable for MAN D EnginesThe cylinder screw is specifically manufactured and fits in MAN D engines. Our OEM replacement part offers an exceptional combination of quality and precision that supports and optimizes the reliability and lifespan of your engine.
CYLINDER SCREW - 51900300125 suitable for MAN D-engines
Cylinder screw with comparison number 51900300125Discover our cylinder screw with the comparison number 51900300125, which has been specifically designed as an OEM replacement part. This product is suitable for MAN D engines and offers optimal performance in your engine. Rely on our products, which are distinguished by precision and durability.
CYLINDER SCREW - 51900300122 suitable for MAN D-engines
Cylinder Screw Suitable for Your EnginesDiscover the cylinder screw, comparison number 51900300122. This OEM replacement part offers the highest precision and reliability. It is specifically designed to fit MAN D engines, so you can trust in an excellent fit.Robustness and Quality through OEMThe cylinder screw meets the highest quality standards and has been developed to withstand the demands of high-stress environments. All of our OEM replacement parts like this one are carefully selected to support the longevity and effective performance of your engines.
CYLINDER SCREW - 51900300119 suitable for MAN D-engines
Cylinder screw suitable for MAN DExperience top reliability with our cylinder screw, specially designed for MAN D engines. This OEM replacement part, with the comparison number 51900300119, meets all quality standards, providing security and robustness for your engine applications in marine and stationary environments. Our years of experience ensure that this product is both functional and efficient.Perfect dimensions for your needsThe OEM replacement part has a compact size of 5.2 cm in length and width and 1.2 cm in height. Weighing only 0.018 kg, the cylinder screw is easy to handle and optimally designed. Its characteristics make it particularly suitable for MAN D engines, ensuring smooth operation in demanding environments.
CYLINDER SCREW - 51900300117 suitable for MAN D-engines
Cylinder Screw: Reliable ComponentDiscover the cylinder screw with the comparison number 51900300117, an essential product for any repair needs. This OEM replacement part offers the highest reliability and meets the essential requirements of the industry.Suitable for MAN D EnginesThe cylinder screw is designed to be compatible with MAN D engines, making it an excellent option for your engines. Every OEM replacement part is manufactured under strict controls to ensure the best possible quality.
CYLINDER SCREW - 51900300116 suitable for MAN D-engines
Cylinder screw: OEM replacement part with comparison number 51900300116 Discover the cylinder screw with the comparison number 51900300116, a high-quality replacement part that is essential for installation in engines. This product ensures precise fastening and maximum performance in both marine and stationary applications.Suitable for MAN D engines The product is specifically designed to be suitable for MAN D engines and meets the highest quality standards. This results in effective functionality and safety for your operational requirements.
CYLINDER SCREW - 51900300112 suitable for MAN D-engines
Efficient Product for Diesel and Gas EnginesThe cylinder screw with the comparison number 51900300112 is an essential OEM spare part that provides maximum reliability for your engines. This product is specifically designed for MAN D engines, allowing you to optimize performance for marine and stationary applications.Application Option for EnginesThe use of our cylinder screw is ideal for those who value high quality. This OEM spare part has been designed to function perfectly while stabilizing the motion control of the MAN D engines.
CYLINDER SCREW - 51900300111 suitable for MAN D-engines
Cylinder screw suitable for reliable engine applicationsDiscover our cylinder screw, suitable as an OEM spare part with the comparison number 51900300111. This product impresses with quality and durability and is suitable for MAN D engines to offer you the best possible performance.Robust OEM spare parts for marine and stationary enginesOur cylinder screw undergoes strict internal controls to ensure absolute reliability under extreme conditions. This OEM spare part is an optimal choice for your engines, which should be safe and efficient in operation.
CYLINDER SCREW - 51900300110 suitable for MAN D-engines
Excellent Cylinder Screw for EnginesDiscover the cylinder screw with the comparison number 51900300110, a top-quality spare part suitable for MAN D engines. This product offers outstanding performance and longevity, which are crucial for the functionality of your machines. Rely on the quality of this spare part!Precise Fit for MAN DThe cylinder screw is specifically designed with the comparison number 51900300110 to complement MAN D engines. The spare part belongs to the group of screws and is characterized by precise fit. Quality is non-negotiable for us; it is our fundamental principle.
CYLINDER SCREW - 51900300109 suitable for MAN D-engines
Excellent OEM Replacement Part for EnginesThe cylinder screw with the reference number 51900300109 is an exquisitely designed OEM replacement part. This product ensures optimal performance in the most demanding applications. Rely on this reliable product to maximize your machine's efficiency.Compatible with MAN D EnginesOur cylinder screw is specifically designed for MAN D engines. This specific solution meets the highest requirements and helps ensure that your engine operates efficiently even under extreme conditions. Trust in the quality of our replacement parts.
CYLINDER SCREW - 51900300108 suitable for MAN D-engines
Cylinder Screw with High PerformanceDiscover our Cylinder screw product with the comparison number 51900300108, which offers a reliable and durable solution for use in suitable for MAN D engines. This OEM spare part belongs to the important group of screws and meets the high demands of the industry.
CYLINDER SCREW - 51900300101 suitable for MAN D-engines
Cylinder Screw: Comparison Number 51900300101Discover our Cylinder Screw, comparison number 51900300101, specially designed to optimize the performance of your engines. This OEM replacement part offers an exact fit and the highest quality. The Cylinder Screw is robust and ensures that your equipment functions reliably.Detailed Product InformationThe Cylinder Screw is suitable for MAN D engines and is part of the article group "Screws". It has been carefully manufactured and is ideally suited for the specific requirements of diesel and gas engines.
CYLINDER SCREW - 51900300099 suitable for MAN D-engines
Precise Cylinder Screw with Comparison Number 51900300099The Cylinder screw with the comparison number 51900300099 is an essential OEM replacement part specifically designed for the requirements of MAN D engines. It allows for an optimal fit and thereby improves the overall performance of your engines in marine and stationary applications.
PAN-HEAD SCREW - 51900300088 suitable for MAN D-engines
Pan-head screw: Essential Spare PartDiscover the pan-head screw with the comparison number 51900300088 – an essential OEM spare part designed to efficiently work with engines in marine and stationary applications. This pan-head screw is suitable for MAN D engines and ensures secure connections that enhance performance.Precise Fit for MAN D EnginesThe pan-head screw with the comparison number 51900300088 impresses with its fit and reliability. Manufactured as an OEM spare part, it combines high quality with industrial requirements. Rely on this product that meets strict manufacturing standards and trust in this spare part.
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.