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:
- 65904050019 suitable for MAN D-engines
Flat Head Screw M6x16-8.8 for Efficient OperationDiscover our flat head screw M6x16-8.8, a premium OEM replacement part specifically designed for applications in turbochargers. With the reference number 65904050019, you have a product that fits perfectly. This product is used in engines and contributes significantly to performance.Perfect Fit for MAN DThis replacement part is suitable for MAN D engines. By using our OEM replacement parts, you ensure the necessary quality and reliability for your applications. Rely on the reference number 65904050019 to find the optimal fit.
- 65904050015 suitable for MAN D-engines
Precise Flat Head Screw m5x12-8.8-t25-sw Discover the flat head screw m5x12-8.8-t25-sw, an OEM replacement part that impresses with precise manufacturing. With the comparison number 65904050015, this product is a reliable choice for maintaining your technology and offers the quality you expect from a specialized provider.Features in Focus: Suitable for MAN D Engines The flat head screw m5x12-8.8-t25-sw is specifically suited for MAN D and is therefore indispensable for your engines. Its functionality and load-bearing capacity make it an optimal choice for a variety of applications in maritime and stationary engines.
- 65904050008 suitable for MAN D-engines
Robust Flat Head Screw m6x14 for Durable EnginesThe flat head screw m6x14 with the reference number 65904050008 is a demanding OEM spare part that offers stability and practicality. This product is used in engine drive components and meets the highest quality standards to enhance the efficiency of your engines.Suitable for MAN D: True SuitabilityThis flat head screw m6x14 is the suitable spare part for MAN D engines. Due to its specific adaptation, it ensures that your engine remains robust and continues to operate effectively, optimizing operating costs.
- 65904050003 suitable for MAN D-engines
Precise Product: Flat Head Screw M6x25Discover the precise flat head screw M6x25, comparable to the reference number 65904050003. This electric component is the ideal choice for your machines and ensures stable operation.
CYLINDER SCREW - 65904050002 suitable for MAN D-engines
Cylinder screw suitable for MAN D engines Discover the cylinder screw (comparison number: 65904050002), which has been specifically designed to function optimally for MAN D engines. This cylinder screw impresses with its excellent quality as an OEM spare part, providing a reliable solution for fastenings in your engines.
- 65904050001 suitable for MAN D-engines
Flat Head Screw M6x14: Your Essential ComponentDiscover the flat head screw M6x14, reference number 65904050001. This OEM replacement part is an indispensable component for a variety of applications in engine technology. Designed to create a reliable connection, this product is easy to use and effective in function.
CYLINDER SCREW - 65904050000 suitable for MAN D-engines
Cylinder screw compatible with MAN D enginesDiscover our cylinder screw with the comparison number 65904050000. This versatile and durable OEM replacement part is compatible with MAN D engines, meets high-quality standards, and is specifically designed for the demands of marine and stationary engine technology.Trustworthy product qualityOur cylinder screw is subject to stringent internal controls that ensure the quality of our OEM replacement part. This way, you receive a reliable product that easily withstands the stresses that operation places on engines.
- 65904010012 suitable for MAN D-engines
Robust Flat Head Screw for Engine NeedsDiscover the flat head screw bm6x91x70-8.8, a high-quality product with the comparison number 65904010012. This spare part from the "Lines and pipes" category plays a central role in the repair and maintenance of engines. The flat head screw is a must-have for your needs.
- 65904010008 suitable for MAN D-engines
Testing of Spare Parts for Your NeedsDiscover the flat head screw M8x16, an OEM spare part with the reference number 65904010008, ideal for applications in compatible with MAN D engines. This product is an essential component of starting aids and engine solutions in marine and stationary applications.Compatible with MAN D EnginesThe flat head screw M8x16 features a robust design specifically compatible with MAN D engines, ensuring a secure connection of the components. This part supports the optimal performance of your engines and contributes to their longevity.
- 65904010006 suitable for MAN D-engines
Robust Flat Head Screw m6x10-10.9-t30 for Engines Discover our flat head screw m6x10-10.9-t30, an important product for diesel and gas engines. The comparison number 65904010006 identifies this OEM replacement part, which offers exceptional quality and reliability.
SCREW/BOLT - 65904010005 suitable for MAN D-engines
Robust screw/bolt suitable for MAN D enginesDiscover our screw/bolt, an essential OEM replacement part (comparison number: 65904010005), compatible with MAN D engines. This screw/bolt has been designed to optimize the performance of your engines and ensure durability.Quality for the professionalAs a provider of OEM replacement parts, we ensure that each screw/bolt in our product category offers a reliable and precise fit. Our extensive range also includes items suitable for MWM, Mercedes-Benz, Deutz, Volvo, and more.
SCREW/BOLT - 65904010004 suitable for MAN D-engines
Precise Screw for Your RequirementsDiscover the importance of quality with our product, the screw with the comparison number 65904010004. This precise OEM spare part ensures you have the performance and reliability you need to effectively operate engines in marine and stationary applications.Suitable for MAN D EnginesThe screw is specifically designed for MAN D engines and offers you safety and durability. You can rely on the craftsmanship and perfect fit to optimize the performance of your machines.
- 65904010001 suitable for MAN D-engines
Precision for EnginesDiscover our product, the 6x1x16 flat head screw, a powerful OEM replacement part that offers maximum precision. With the comparison number 65904010001, this 6x1x16 flat head screw is specifically designed for use in engines. The exact fit ensures that your engine operates optimally and is easy to maintain.
- 65904010000 suitable for MAN D-engines
Individual Engine Components for Various ApplicationsDiscover the flat head screw 5x0.8x15.5 – an essential product of the engine drive components. This screw is suitable for MAN D engines and ensures the optimal connection in your engine. We only offer OEM replacement parts that are known for their excellent quality and comply with manufacturer specifications.Easier Access Through Comparison NumberThe comparison number 65904010000 simplifies the search for this replacement part. It ensures that you always receive the appropriate OEM replacement part for your MAN D engines. In our inventory, you will find a variety of items to meet your needs for numerous applications.
VENT PLUG - 65903100003 suitable for MAN D-engines
Reliable Vent Plug for EnginesThe vent plug with the comparison number 65903100003 is an essential product that ensures safe venting for your engine issues. This OEM spare part is indispensable for the smooth operation of your existing machines. By using high-quality components, the quality of your production remains in top shape.Optimally Suitable for MAN D EnginesThis spare part is suitable for MAN D engines and offers the best fit and robustness. Manufactured from carefully selected materials, the vent plug meets the highest quality standards, so you can expect superior performance.
SCREW PLUG - 65903100000 suitable for MAN D-engines
Convincing Performance: Screw Plug Discover the screw plug with the comparison number 65903100000. This product is an essential component for the optimal functionality of your engines. Trust in our OEM spare parts for the highest quality, ensuring safety and efficiency.Perfect Integration: Replaceable Quality The screw plug is designed to fit MAN D engines. It ensures precise fit and is therefore indispensable for in-depth applications in marine and industrial environments. Rely on verified OEM spare parts when it comes to your most important machinery.
- 65901010010 suitable for MAN D-engines
Excellent Flat Head Screw for Efficient EnginesDiscover the flat head screw m5x18-8.8, with the comparison number 65901010010, which represents a reliable solution for your applications. This product offers high strength with a load capacity of class 8.8 and is ideal for use in stationary or marine environments.Suitable for MAN D EnginesThis flat head screw is suitable for MAN D engines, providing a precise solution to equip your drive. Use the quality that OEM spare parts offer to ensure that your engines deliver maximum performance.
- 65901010009 suitable for MAN D-engines
Reliable Flat Head Screw m5x20-asp-8.8-t25Discover the excellent flat head screw m5x20-asp-8.8-t25, a top-quality product suitable for demanding applications. The comparison number 65901010009 ensures compatibility with the required standard requirements in marine and locomotive engineering.Quality Recreated with OEM Replacement PartsOur flat head screw is a reliable OEM replacement part, specially designed for engines. Compared to aftermarket parts, our products offer top-notch quality features. Rely on the high standards set by our manufacturers when you make your selection.
- 65901010008 suitable for MAN D-engines
Flat Head Screw M6x32-8.8 for Demanding ApplicationsDiscover the flat head screw M6x32-8.8, an essential OEM spare part that is particularly used in gears and toothed wheels. With the comparative number 65901010008, this product ensures a secure and reliable connection for your systems and engines.Perfect Solution for MAN D EnginesThis OEM spare part is optimally designed to deliver performance in engines. It has been tested and is suitable for MAN D engines, making it the ideal choice for businesses that expect quality.
- 65901010007 suitable for MAN D-engines
Reliable Flat Head Screw for MAN D EnginesThe flat head screw m4x10-z1 (comparison number: 65901010007) is an essential connecting element designed for use with MAN D engines. As an OEM replacement part, this product ensures an optimal fit that meets the high demands of the industry.Excellent Material Identification in Connection TechnologyThis product, the flat head screw m4x10-z1, is perfectly suited for diesel and gas engines and has been specifically developed for MAN D engines. Through our comprehensive range of OEM replacement parts, we offer quality that aims to enhance the efficiency of your systems.
- 65901010006 suitable for MAN D-engines
Premium OEM Replacement Part for Engines The flat head screw m6x12-8.8 with the reference number 65901010006 is a reliable OEM replacement part, specially designed for precise use in valves. The creatively crafted design and high material quality ensure that this product meets the demands of numerous applications.Suitable for MAN D Engines Our product is ideally suited for MAN D engines and ensures their long-term performance. The flat head screw with the reference number 65901010006 has been manufactured according to the strict guidelines of OEM standards to ensure the operational reliability of your engines.
- 65901010005 suitable for MAN D-engines
Precision Flat Head Screw m6x22-z-8.8-black Discover our OEM spare part, the flat head screw m6x22-z-8.8-black. With the comparison number 65901010005, this item is part of the group Holders, plates and flanges, specifically designed for use in engines.
- 65901010004 suitable for MAN D-engines
Flat Head Screw for Reliable EnginesDiscover the flat head screw m6x16-8.8, which delivers precise quality to your engine. This screw is suitable for MAN D engines and is part of our premium OEM replacement parts, known for their durability and reliability. With the reference number 65901010004, you can quickly find the right product.
- 65901010003 suitable for MAN D-engines
Flat Head Screw m6x20 for Your NeedsDiscover the flat head screw m6x20, which excels as a connecting element. With the comparison number 65901010003, this product ensures a secure and precise connection in your applications.
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.