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 - 81981500111 suitable for MAN D engines
Precise Hollow Screw for Your RequirementsDiscover the Hollow Screw, a durable OEM spare part that you can find under the comparison number 81981500111. This Hollow Screw is an essential product from the category Screws and ensures that your MAN D engines operate optimally. A reliable spare part that meets the highest standards.Suitable for MAN D EnginesOur Hollow Screw is suitable for MAN D engines and provides you with the safety you need for your machines. With this OEM spare part, you benefit from the original equipment quality that ensures longevity and efficiency. Rely on the robustness of this product, which is perfectly tailored to the demands of the industry.
HOLLOW SCREW - 81981500108 suitable for MAN D engines
Precision Hollow Screw for Your NeedsDiscover the hollow screw with the comparison number 81981500108, an indispensable replacement part specially designed for your requirements. This hollow screw weighs only 0.02 kg and meets the highest quality standards. Every product we offer meets the criteria of a replacement part and ensures a stable connection in demanding environments.Fit for MAN D EnginesOur hollow screw is suitable for MAN D engines and ensures that your engines operate efficiently and reliably. The carefully designed hollow screw offers a perfect fit that contributes to the longevity of your engine applications. Trust in the quality we provide based on our 25 years of experience in the industry.
HOLLOW SCREW - 81981500104 suitable for MAN D engines
Hollow Screw for MAN D Engines – Precision and QualityDiscover our OEM spare part, the hollow screw with the comparison number 81981500104, specifically designed to be suitable for MAN D engines. Weighing only 0.21 kg, this product meets the highest standards in marine and stationary engineering as well as locomotive engineering. Rely on the accuracy and safety that only OEM spare parts can provide.
HOLLOW SCREW - 81981500103 suitable for MAN D engines
Hollow screw suitable for MAN D enginesDiscover the hollow screw with the comparison number 81981500103, specifically designed for MAN D engines. This lightweight OEM replacement part weighs only 0.26 kg and is a perfect solution to ensure the functionality of your engines in marine and stationary applications.
HOLLOW SCREW - 81981500102 suitable for MAN D engines
Hollow screw with comparison number 81981500102Discover our OEM spare part, the hollow screw with the comparison number 81981500102, suitable for MAN D engines. This component is characterized by its precise construction and high-quality material. Weighing only 0.02 kg, the hollow screw is a lightweight yet fundamental element for the performance of your drivetrain.Suitable for MAN D – A key to engine performanceThe hollow screw belongs to the category of screws and is suitable for MAN D as well as for renowned manufacturers such as MWM, Mercedes-Benz, Deutz, and Volvo. Every OEM spare part meets strict quality standards to ensure optimal functionality. Rely on the quality to ensure long life and efficiency.
HOLLOW SCREW - 81981500100 suitable for MAN D engines
Precise Hollow Screw with Comparison Number 81981500100Discover our Hollow Screw with the comparison number 81981500100, a valuable product from the category Screws. This Hollow Screw is characterized by its excellent fit and is specifically designed for MAN D engines. Weighing only 0.25 kg, this OEM spare part is ideal for applications in marine and stationary areas as well as for locomotives.Quality and Reliability of the Spare PartPrecision is our top priority. The Hollow Screw with the comparison number 81981500100 is an OEM spare part that provides you with the highest quality. The use of carefully selected materials ensures that you can rely on the performance of your engines while appreciating the quality of this product.
HOLLOW SCREW - 81981500099 suitable for MAN D engines
Rely on the comparison number 81981500099!Discover the powerful Hollow Screw with the comparison number 81981500099, specifically designed to function perfectly. This important OEM replacement part ensures that your engines operate reliably. The Hollow Screw is a crucial component that maximizes the longevity of your machines and is indispensable for the efficiency of your applications.Robust solution for MAN D enginesThe Hollow Screw is suitable for MAN D engines and offers you the quality you expect. Due to its robust construction and lightweight of 0.24 kg, this OEM replacement part is ideal for stationary use. Choose a product that meets stringent quality standards and ensures maximum performance.
HOLLOW SCREW - 81981500098 suitable for MAN D engines
Hollow screw for MAN D enginesDiscover the hollow screw with the comparison number 81981500098 – an essential OEM spare part. This product is suitable for MAN D engines and offers the highest quality and reliability. Weighing only 0.12 kg, the hollow screw is easy to handle and meets all requirements for precision and functionality.Rely on OEM spare partsOur hollow screw with the comparison number 81981500098 comes from renowned manufacturers and offers unparalleled quality compared to aftermarket parts. OEM spare parts are designed to fit optimally for MAN D engines and ensure long-term use.
HOLLOW SCREW - 81981500097 suitable for MAN D engines
Hollow Screw with Comparison Number 81981500097Discover the Hollow screw with the comparison number 81981500097, specifically designed and compatible with MAN D engines. This precisely manufactured spare part contributes to the reliable operation of your diesel and gas engines. Weighing only 0.02 kg, it combines robustness and lightness, making it perfect for a variety of applications in marine and stationary sectors as well as in locomotive operations.Quality and Precision: Spare PartsThe Hollow screw with the comparison number 81981500097 belongs to the category of spare parts and impresses with its durability and precise manufacturing. Every detail of this product has been developed to meet the highest demands of engines. By choosing this part, you ensure that your engine operates efficiently and achieves long working hours even under demanding conditions.
HOLLOW SCREW - 81981500089 suitable for MAN D engines
Robust Hollow Screw for MAN D EnginesDiscover the hollow screw with the comparison number 81981500089, an essential product for your applications. This precisely manufactured hollow screw weighs only 0.05 kg and meets the highest quality standards. It offers reliability and durability, specifically for your needs in marine and stationary use.
HOLLOW SCREW - 81981500087 suitable for MAN D engines
Hollow screw suitable for MAN D enginesDiscover the hollow screw with the comparison number 81981500087, which plays a central role in the maintenance of engines. This hollow screw is an OEM replacement part specifically designed for applications on MAN D engines. Weighing only 0.02 kg, it ensures both easy installation and reliable functionality.Reliable quality for your requirementsOur product line consists exclusively of OEM replacement parts that meet the highest industry standards. The hollow screw with the comparison number 81981500087 provides you with the assurance that your engine functions optimally with this component, suitable for MAN D engines. Trust that each of our replacement parts is durable and performs well.
HOLLOW SCREW - 81981500084 suitable for MAN D engines
Strong Connection: Hollow Screw with Comparison Number 81981500084Discover the Hollow Screw with the comparison number 81981500084, an outstanding OEM spare part that is perfectly tailored to the needs of MAN D engines. This product plays a crucial role in ensuring reliable operation and stands out due to its excellent quality in the world of engine spare parts. Weighing only 0.1 kg, the Hollow Screw offers an ideal combination of lightness and stability.Suitable for MAN D: Efficiency and RobustnessThis Hollow Screw is specifically designed for MAN D engines, making integration into your applications easier. Trust in the functionality and durability of this component, which has proven itself in demanding environments. The product meets the high standards you expect from OEM spare parts.
HOLLOW SCREW - 81981500078 suitable for MAN D engines
Quality and Reliability for Your ProjectDiscover the Hollow screw with the comparison number 81981500078, an important OEM spare part that helps you optimize the performance of your engines. This Hollow screw is essential in fastening technology, especially for applications suitable for MAN D engines. Weighing only 0.04 kg, this product offers exceptional lightness and handling.Availability of Our ItemsIn our spacious warehouse, we keep a large selection of spare parts ready. This ensures fast delivery and optimal supply of high-quality spare parts, including the Hollow screw with the comparison number 81981500078. Our OEM spare parts are designed for maximum performance and durability.
HOLLOW SCREW - 81981500077 suitable for MAN D engines
Precise Hollow Screw for Your EnginesDiscover the hollow screw with the comparison number 81981500077 – an essential OEM spare part that stands out for its top-quality construction. This product weighs just 0.04 kg and ensures that your engine operates efficiently. This spare part is crucial for supporting the longevity of your equipment.
HOLLOW SCREW - 81981500076 suitable for MAN D engines
Premium Hollow Screw with Comparison Number 81981500076Discover our Hollow Screw, marked with the comparison number 81981500076. This OEM spare part offers the perfect solution for engines that rely on maximum performance. Weighing only 0.02 kg, the Hollow Screw is specifically designed to meet the demands of engines. An indispensable element for reliable functionality!Precise Component Suitable for MAN D EnginesOur Hollow Screw is precisely suitable for MAN D engines and meets the highest quality standards. It belongs to the category of Screws and is a robust OEM spare part, ideal for marine and stationary applications as well as for locomotives. Rely on this Hollow Screw to sustainably enhance the performance of your engine.
HOLLOW SCREW - 81981500072 suitable for MAN D engines
Precision Hollow Screw: Comparison Number 81981500072Discover the hollow screw with the comparison number 81981500072, an excellent OEM spare part designed for MAN D engines. This valuable product ensures that your diesel and gas engines operate efficiently. The hollow screw is an essential component for applications in the maritime sector and stationary engines.Light and Durable: The Perfect ChoiceWeighing only 0.06 kg, this hollow screw achieves a perfect balance between stability and lightness. As a high-quality OEM spare part, it provides a secure connection that meets the demands of MAN D engines. Rely on this precise solution to continuously optimize the performance of your engines.
HOLLOW SCREW - 81981500069 suitable for MAN D engines
Discover the Hollow Screw 81981500069Discover the Hollow Screw with the comparison number 81981500069, perfectly aligned and suitable for MAN D engines. This OEM spare part weighs only 0.02 kg and is distinguished by its precise craftsmanship. This meets the highest requirements in marine and stationary applications, where reliability is essential.Quality and Longevity Through OEM Spare PartsOur products include only OEM spare parts, which means they come directly from the manufacturer and thus provide quality. Unlike aftermarket parts, which often compromise on fit and durability, our OEM spare parts like the Hollow Screw 81981500069 offer perfect integration into your MAN D engines. Rely on the advantages that authentic parts have over replicas.
HOLLOW SCREW - 81981500067 suitable for MAN D engines
Hollow screw suitable for MAN D enginesDiscover the reliable hollow screw with the comparison number 81981500067, specifically designed for applications in MAN D engines. This OEM replacement part ensures optimal fit, which is essential for the efficiency of your engines. Weighing only 0.04 kg, the hollow screw is particularly handy and simplifies the replacement process.OEM replacement parts in top qualityThe hollow screw belongs to the category of screws and is an essential component suitable for MAN D engines. Rely on our OEM replacement parts that meet the highest quality standards and ensure that your engines operate efficiently and reliably. With us, you will find only parts that have proven themselves in demanding applications.
HOLLOW SCREW - 81981500054 suitable for MAN D engines
Precise Replacement Part: Hollow Screw for Your EnginesDiscover the hollow screw with the comparison number 81981500054 – an essential product for the smooth operation of your engines. This OEM replacement part is specifically designed for applications in marine and stationary areas. Weighing 0.11 kg, this product combines performance and convenience.Optimal Use for MAN D EnginesThe hollow screw is suitable for MAN D engines and meets the highest quality standards. This OEM replacement part provides the reliability you need for the operation of your engines. Rely on the precision that only authentic OEM replacement parts can offer.
HOLLOW SCREW - 81981500052 suitable for MAN D engines
Reliable Hollow Screw for High-Performance EnginesDiscover the hollow screw with the comparison number 81981500052 – an indispensable replacement part specifically designed for use in robust engines. This hollow screw belongs to the category of screws and is compatible with MAN D engines. Weighing only 0.065 kg, it offers an impressive combination of lightness and efficiency.Durable Quality for Long-Lasting ApplicationsOur hollow screw, marked with the comparison number 81981500052, ensures the quality you expect from replacement parts. Suitable for MAN D engines, this product provides optimal performance and flexibility to meet the challenges in maritime and stationary applications.
HOLLOW SCREW - 81981500048 suitable for MAN D engines
Precise Solution: Hollow Screw Suitable for MAN DDiscover the hollow screw with the comparison number 81981500048, specially designed to assist you in maintaining your engines. This hollow screw belongs to the article group of screws and offers quality that is essential for the proper functioning of your machines.Reliable OEM Replacement Parts for Engine ApplicationsThe OEM replacement part with the comparison number 81981500048 meets the requirements for engines suitable for MAN D. Weighing only 0.028 kg, this component demonstrates remarkable robustness and a long lifespan, making it ideal for demanding applications in your field.
HOLLOW SCREW UNION - 81981500045 suitable for MAN D engines
Discover the Hollow Screw UnionThe hollow screw union with the comparison number 81981500045 is an essential product for your engine maintenance. This reliable OEM replacement part, weighing only 0.08 kg, is specially designed to provide optimal performance for MAN D engines. Benefit from the quality you expect when choosing OEM replacement parts.
HOLLOW SCREW - 81981500041 suitable for MAN D engines
Precise Hollow Screw for Your EnginesThe hollow screw with the comparison number 81981500041 is an essential product for the maintenance and upkeep of engines. This OEM spare part is specifically designed to support engines that are suitable for MAN D. Weighing only 0.04 kg, this hollow screw is not only lightweight but also particularly robust and reliable.Quality of OEM Spare PartsThe comparison number 81981500041 stands for outstanding craftsmanship and durability. This OEM spare part ensures that you receive a compatible component for MAN D engines that meets high industrial standards. Trust in our expertise in the field of engine spare parts and ensure the smooth operation of your devices.
HOLLOW SCREW - 81981500033 suitable for MAN D engines
Precise Hollow Screw for MAN D EnginesDiscover the hollow screw with the comparison number 81981500033, which stands out as an OEM replacement part. This product is perfectly compatible and ensures a reliable connection in your engine applications. The hollow screw weighs only 0.009 kg and offers outstanding durability due to its precise workmanship, optimally supporting your MAN D engines.
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.