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:
PAN-HEAD SCREW - 06042012513 suitable for MAN D-engines
Pan-head screw: Your Key Component for Every ApplicationThe pan-head screw with the comparison number 06042012513 is a top-quality OEM replacement part specifically optimized to provide excellent support for engines, particularly suitable for MAN D engines. This screw is aligned with its first-class craftsmanship, ensuring reliable function both inside and out.
PAN-HEAD SCREW - 06042012511 suitable for MAN D-engines
Pan-head Screw: An Essential ProductThe pan-head screw with the comparison number 06042012511 is an essential product, ideal for engine maintenance. Weighing only 0.005 kg, the screw impresses with its robust design and meets all requirements for marine and stationary use.
- 06042012510 suitable for MAN D-engines
Flat Head Screw m5x22-4.8-h-man183-b1 for Robust ApplicationsDiscover the Flat Head Screw m5x22-4.8-h-man183-b1, your reliable product for engine maintenance. This flat head screw has the comparison number 06042012510 and is part of the OEM spare parts, making it ideal for demanding applications and providing comprehensive support.
PAN-HEAD SCREW - 06042012509 suitable for MAN D-engines
Robust Pan-head screw suitable for MAN D enginesPresenting the Pan-head screw, an OEM replacement part with the comparison number 06042012509. This replacement part is optimized for use in MAN D engines and ensures a precise and reliable connection of components. With this Pan-head screw, you bring quality to your diesel and gas engines.
- 06042012508 suitable for MAN D-engines
Precise Flat Head Screw M5x18-4.8-h Discover our flat head screw M5x18-4.8-h, an essential OEM spare part specified with the reference number 06042012508. This product offers the features you need to operate your equipment reliably and is particularly well-suited for applications involving diesel and gas engines.Unmatched Quality of OEM Spare Parts The flat head screw M5x18-4.8-h is compatible with MAN D engines and has been specifically designed to meet the demands in challenging applications. Unlike other solutions, our OEM spare parts provide the necessary fit and durability to keep your machines efficiently maintained.
PAN-HEAD SCREW - 06042012507 suitable for MAN D-engines
Excellent Pan-head screw with reference number 06042012507The pan-head screw with reference number 06042012507 is an essential OEM replacement part, perfectly suited for engines in marine and stationary applications. This product ensures that components hold together reliably and that your machines run smoothly. Weighing only 0.004 kg, the pan-head screw is particularly lightweight and allows for easy handling.Suitable for MAN D enginesThis outstanding product is suitable for MAN D engines and offers you the quality you can expect from OEM replacement parts. The use of high-quality materials ensures optimal functionality. Our pan-head screw provides a precise fit, so you can rely on the smooth performance of your engines.
- 06042012506 suitable for MAN D-engines
Flat Head Screw M5x12-4.8-H in the RangeDiscover the flat head screw M5x12-4.8-H, which belongs to our range with the comparison number 06042012506. This product stands out due to its functionality in the valve train and is indispensable for the smooth operation of your engines. It is particularly suitable as an OEM replacement part.
- 06042012505 suitable for MAN D-engines
Reliable Quality for EnginesDiscover our flat head screw m5x10-4.8-h-man183-b1, a precise OEM replacement part specifically designed for various applications in the exhaust system. With the comparison number 06042012505, you will achieve optimal compatibility. This flat head screw is the ideal solution for all users who value durability.Suitable for MAN D EnginesThis product is suitable for MAN D engines. Thanks to its solid properties, the flat head screw meets the requirements for both marine and stationary applications. When high performance is required, our OEM replacement parts are reliable partners by your side.
- 06042012504 suitable for MAN D-engines
Universal Solution for Engine ApplicationsDiscover the high-quality product, the Flat Head Screw M5x8-4.8-H-MAN183-B1, suitable for MAN D engines. This OEM spare part offers excellent performance in your engine applications. The comparison number 06042012504 makes it easy to identify the right replacement part.
- 06042012503 suitable for MAN D-engines
Precise Product: Flat Head Screw m5x6-4.8-h-man183-b1The Flat Head Screw m5x6-4.8-h-man183-b1, comparison number 06042012503, represents a high-quality OEM spare part that has been specially designed to ensure performance and stability in engines. This product is essential for optimizing the functionality and safety of your machines.Optimal for MAN D EnginesThis spare part is ideally suited for MAN D engines. The Flat Head Screw m5x6-4.8-h-man183-b1 is regarded as a compatible spare part that offers a precise fit and improved connection quality. This way, you benefit from minimal downtime and maximum efficiency during operation.
- 06042012416 suitable for MAN D-engines
Durable Flat Head Screw for Your Engines Discover the flat head screw M4x45-4.8-H-MAN183-B1, an excellent OEM replacement part. With the comparison number 06042012416, this screw impresses with its highest accuracy and longevity, ideal for demanding applications.Precision and Long-Lasting Quality This flat head screw is an essential component, suitable for MAN D engines. Its excellent design ensures stability and protects the functionality of your engine systems over longer periods.
- 06042012415 suitable for MAN D-engines
Powerful Product: Flat Head Screw m4x40-4.8-h-man183-b1The flat head screw m4x40-4.8-h-man183-b1 (comparison number: 06042012415) is a reliable OEM replacement part that meets high demands in challenging applications. This accessory is ideally suited to optimally support engines.
- 06042012414 suitable for MAN D-engines
Reliable Replacement Part for EnginesThe flat head screw m4x35-4.8-h-man183-b1 is a reliable OEM replacement part, ideal for your needs in marine and stationary applications. This product is suitable for MAN D engines and provides you with the exact fit you need for efficient use.
- 06042012413 suitable for MAN D-engines
Premium Component for MAN D EnginesThe Flachkopfschraube m4x30-4.8-h-man183-b1 is a top-quality OEM spare part that comes with the comparison number 06042012413. This item is suitable for MAN D engines and ensures a secure fit. The excellent quality ensures that your engines operate reliably and deliver optimal performance.
- 06042012411 suitable for MAN D-engines
Robust Flat Head Screw Suitable for MAN D EnginesThe flat head screw M4x25-4.8-H-MAN183-B1 is an essential component that offers stability and reliability. With the number 06042012411, this screw is ideal as a replacement part and optimally complements your applications. This screw belongs to the product group "Lines and pipes" and is particularly suitable for various MAN D engines.
- 06042012409 suitable for MAN D-engines
Powerful Component for Manual ApplicationsDiscover the flat head screw M4x20-4.8-h-man183-b1, an essential product designed specifically to optimize engine performance. As an OEM replacement part, this flat head screw impresses with excellent material and manufacturing quality and is an indispensable component in the category of valve train components.
- 06042012408 suitable for MAN D-engines
Your new OEM spare part: Flat head screw m4x18-4.8Discover the flat head screw m4x18-4.8 (comparison number 06042012408), a versatile product for lines and pipes. This OEM spare part is an excellent choice for engine applications and provides the necessary strength. Take advantage of the qualitative characteristics of this spare part, which is designed to meet the demands of high-performance engines.Reliability for MAN D EnginesThe flat head screw m4x18-4.8 is suitable for engines in the MAN D category. Compatible with MAN D engines, it provides a comprehensive solution for your needs in maritime and stationary applications. Made from extremely durable materials, the product is wonderfully suited for applications that require stability and performance.
- 06042012407 suitable for MAN D-engines
Flat Head Screw m4x16-4.8-h-man183-b1 in DetailThe flat head screw M4x16-4.8-H, a convincing component, has the comparison number 06042012407. This product belongs to the engine controls category and offers excellent functionality. Use this part to optimize the efficiency of your engines.
PAN-HEAD SCREW - 06042012406 suitable for MAN D-engines
Pan-head screw suitable for MAN D enginesDiscover the pan-head screw, suitable for MAN D engines, an essential spare part that meets the highest standards. With the comparison number 06042012406, you ensure a precisely matched screw that provides optimal usability in various applications.Tailored quality for your enginesThe pan-head screw is lightweight at only 0.002 kg, ensuring easy handling. These features make it a perfect component of your engine systems, whether in marine or stationary use. Rely on parts that only high-quality spare parts can provide, suitable for MAN D engines.
- 06042012405 suitable for MAN D-engines
Exquisite Replacement Part for Professional ApplicationsThe flat head screw m4x10-4.8-h-man183-b1 is an essential OEM replacement part, suitable for your applications. With the reference number 06042012405, this product offers a reliable and precise connection in demanding environments.Precise Fit & Quality FeaturesThis screw is compatible with MAN D engines and ensures that all mechanical components work together optimally. Our OEM replacement parts in the "Screws" category provide you with reliable quality at competitive prices.
- 06042012404 suitable for MAN D-engines
Robust Flat Head Screw Compatible with MAN D EnginesDiscover the flat head screw m4x8-4.8-h-man183-b1 with the comparison number 06042012404. This product is an important OEM replacement part, suitable for MAN D engines, and is characterized by high quality and precision.Optimal Quality for Your RequirementsThis flat head screw is crucial for the reliability of your machines and ensures that all components work together perfectly. With the comparison number 06042012404, you receive a trusted OEM replacement part that has been optimized for applications in shipping and stationary drives.
- 06042012403 suitable for MAN D-engines
Optimal Fit for Reliable EnginesExperience the flat head screw m4x6-4.8-h-man183-b1, a precise OEM replacement part suitable for MAN D engines. This screw features a reference number of 06042012403 and meets the highest standards for engines in the marine sector.
- 06042012213 suitable for MAN D-engines
Premium OEM Replacement Part for Reliable ApplicationsThe flat head screw m3x30-4.8-h-man183-b1 is a high-performance OEM replacement part with the part number 06042012213. This product offers top-notch quality to meet the needs of professional users in the field of engines.Tailored Solution Suitable for MAN D EnginesThis product is compatible with MAN D engines and ensures optimal grip and safety. This flat head screw enables excellent sealing, which is crucial for the longevity of your engines.
- 06042012211 suitable for MAN D-engines
Essential Product for Your EnginesThe flat head screw m3x25-4.8-h-man183-b1 is an essential product that helps you optimally repair your MAN D engines. With the comparison number 06042012211, we want to ensure that you have the best OEM spare parts suitable for your needs.Reliability with MAN D EnginesThis OEM spare part belongs to the article group holders, plates and flanges and is suitable for use in stationary facilities as well as in several industrial sectors. In MAN D engine systems, the flat head screw offers maximum reliability.
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.