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:
HEXAGON BOLT - 81900010295 suitable for MAN D engines
Robust Hexagon Bolt for Reliable EnginesDiscover the hexagon bolt with the comparison number 81900010295, a premium OEM spare part specifically designed for engines in marine and stationary applications. Weighing only 0.014 kg, this bolt combines stability and lightness, making it the ideal product for demanding applications.
HEXAGON BOLT - 81900010284 suitable for MAN D engines
Hexagon bolt compatible with MAN D enginesDiscover the Hexagon bolt with the comparison number 81900010284, an indispensable OEM replacement part specifically designed for use in engines. This bolt is suitable for MAN D engines and impresses with its excellent craftsmanship. Weighing only 0.04 kg, it offers reliable stability, which is essential in demanding applications.Optimal performance and reliabilityOur Hexagon bolt ensures optimal performance of your diesel and gas engines. Whether in the marine sector or for stationary applications – the product provides you with the security you need. Thanks to the high quality of our OEM replacement parts, you can achieve efficient engine performance.
HEXAGON BOLT - 81900010266 suitable for MAN D engines
Hexagon Bolt with Comparison Number 81900010266Discover our Hexagon Bolt with comparison number 81900010266, a significant OEM replacement part that provides exactly what you need for your engines. The Hexagon Bolt weighs only 0.02 kg and impresses with its precise fit. This product is crucial for reliable operation in demanding environments.
HEXAGON BOLT - 81900010265 suitable for MAN D engines
Precise Hexagon Bolt for Your NeedsDiscover the hexagon bolt with the comparison number 81900010265, an essential OEM spare part for reliable maintenance. This bolt is suitable for MAN D engines and provides you with the quality you expect from a manufacturer. Weighing only 0.002 kg, it plays an important role in the stability of your engines.Efficient Solutions for MAN D EnginesThe hexagon bolt with the comparison number 81900010265 is an indispensable component specifically designed for MAN D engines. As an OEM spare part, it offers a precise fit and excellent performance that are crucial for the operation of engines. Trust in the efficiency and durability of this product!
HEX SHOULDER STUD - 81900010264 suitable for MAN D engines
Hex Shoulder Stud Suitable for MAN D EnginesDiscover our hex shoulder stud, suitable for MAN D engines. With the comparison number 81900010264, this product offers an outstanding solution for your needs. The stud belongs to the category of screws and weighs only 0.1 kg, making it lightweight and easy to handle.Extensive Range of OEM Replacement PartsAs a provider of OEM replacement parts, we offer an extensive product range of over 1 million spare parts for various engines. Our hex shoulder stud is an excellent example of replacement parts that have been precisely developed to meet the highest quality requirements. Rely on OEM quality to ensure the functionality of your systems.
HEX SHOULDER STUD - 81900010259 suitable for MAN D engines
Robust Hex Shoulder Stud for Trusted ApplicationsDiscover the reliable product, the hex shoulder stud with the part number 81900010259, specifically designed to ensure optimal performance in various applications. This screw weighs only 0.035 kg and offers you the ideal solution for use in demanding environments, particularly in marine and stationary engines.Suitable for MAN D Engines – Quality That ConvinceThe hex shoulder stud is suitable for MAN D engines, providing excellent fit and functionality. Rely on OEM replacement parts known for their durability. With these products, you do not compromise on the performance of your engines.
HEX SHOULDER STUD - 81900010253 suitable for MAN D engines
Reliable Hex Shoulder Stud for EnginesDiscover our hex shoulder stud with the comparison number 81900010253, an essential product specifically designed to excel in engines. This stud is suitable for MAN D engines and offers the ideal solution for secure connections in your engine system. Weighing only 0.1 kg, it combines lightness and robustness, making it the perfect choice for use in marine and stationary applications.
CYLINDER SCREW - 81900010251 suitable for MAN D engines
Reliable Cylinder Screw for Your ApplicationsDiscover the cylinder screw with the comparison number 81900010251, an OEM spare part specifically designed for your needs. This screw provides the necessary precision and durability to ensure the performance of your compatible with MAN D engines for the long term. As a top-quality OEM spare part, it ensures you can rely on the functionality of your engines.
HEX SHOULDER STUD - 81900010247 suitable for MAN D engines
Reliable Hex Shoulder Stud from the IndustryDiscover the hex shoulder stud with the reference number 81900010247, an essential component specifically designed for engines in marine and stationary applications. This OEM replacement part offers an ideal fit and is suitable for MAN D engines. Weighing only 0.105 kg, the hex shoulder stud impresses with its handy size and stability.Precision from 25 Years of ExperienceIn the world of engines, precision is crucial. The hex shoulder stud with the reference number 81900010247 undergoes strict controls to ensure high quality standards. Trust our OEM replacement parts, which are suitable for MAN D engines, to support the reliability of your machines. These products are not only practical but also durable.
HEX SHOULDER STUD - 81900010243 suitable for MAN D engines
Detailed Hex Shoulder Stud 81900010243Discover the hex shoulder stud, comparison number 81900010243, specially designed to ensure optimal functionality in your applications. This screw is not just an ordinary part; it is an essential component that is compatible with MAN D engines. Weighing only 0.03 kg, this screw offers an excellent combination of lightness and stability as well as reliable quality.Selection of OEM PartsUnlike many aftermarket solutions, our parts, particularly the hex shoulder stud, are OEM parts that meet the strict quality requirements of the manufacturer. Compatible with MAN D engines, this component provides long-lasting performance and robustness, which is crucial for costly engine repairs. Trust in the quality that your engines deserve.
HEXAGON BOLT - 81900010232 suitable for MAN D engines
Robust Hexagon Bolt with Comparison Number 81900010232Discover our Hexagon bolt with the comparison number 81900010232, an essential product for the reliable maintenance of your engines. This OEM replacement part is specifically designed for MAN D engines. With a precise fit and unrivaled reliability, our Hexagon bolt offers top-notch solutions for your applications.Features of the Hexagon BoltThe Hexagon bolt weighs only 0.01 kg while providing high stability. This compatible component for MAN D engines is made from durable materials to function effectively even under demanding conditions. Rely on our OEM replacement parts to sustainably enhance the performance of your engines.
HEX SHOULDER STUD - 81900010231 suitable for MAN D engines
Hex shoulder stud with reference number 81900010231Discover our hex shoulder stud with the reference number 81900010231, an essential OEM spare part specifically designed for the requirements of engines. This precisely manufactured stud weighs only 0.03 kg and impresses with its durability and reliability in use.Suitable for MAN D: Quality you can trustThe hex shoulder stud is suitable for MAN D engines and provides a secure attachment for internal engine components due to its excellent workmanship. Every detail of this product is tailored to meet the high demands in diesel and gas engines to achieve maximum performance.
HEXAGON BOLT - 81900010228 suitable for MAN D engines
Premium Hexagon Bolt in the Marine Sector Discover our product, the Hexagon bolt with the comparison number 81900010228. This replacement part is suitable for MAN D engines and is characterized by excellent precision and reliability. Weighing only 0.022 kg, this Hexagon bolt is lightweight yet robust, making it ideal for demanding applications in marine and stationary use.Optimal Fit Through OEM Replacement Parts Our Hexagon bolt belongs to the category of OEM replacement parts and ensures an exact fit and functionality. The quality has been carefully tested, so you can rely on a long lifespan and flawless performance. You receive a product specifically designed to meet the requirements of MAN D engines.
HEXAGON BOLT - 81900010225 suitable for MAN D engines
Reliable Hexagon Bolt 81900010225Discover our hexagon bolt with the comparison number 81900010225 – an essential product compatible with MAN D engines. This bolt falls into the category of engine components and offers optimal fit due to its excellent craftsmanship. Weighing only 0.03 kg, the bolt is lightweight, facilitating easy handling and making it ideal for mechanical requirements in demanding environments.OEM Quality for DurabilityOur hexagon bolt is a top-notch OEM replacement part known for its reliability and performance. It has been designed to meet the high standards critical for engines. This OEM replacement part is the right choice to ensure the operation of your machines and promote the long-term efficiency of your engines.
HEX SHOULDER STUD - 81900010223 suitable for MAN D engines
Precise Hex Shoulder Stud for Your ApplicationThe hex shoulder stud with the comparison number 81900010223 is an essential OEM replacement part specifically designed to ensure a reliable connection in various applications. Weighing 2.59 kg, this product offers stability and strength that are crucial for engines in challenging environments.Suitable for MAN D EnginesThis component is suitable for MAN D engines and ensures optimal performance of your machines. The precise manufacturing process assures the quality that our customers expect from OEM replacement parts. Rely on the durability of this hex shoulder stud to enhance the efficiency of your engines.
HEX SHOULDER STUD - 81900010217 suitable for MAN D engines
Reliable OEM Replacement Part: Hex Shoulder StudThe hex shoulder stud with the comparison number 81900010217 is an important OEM replacement part that is essential for the reliable operation of engines. Weighing only 0.1 kg, this product belongs to the group of screws and ensures that your applications run smoothly. This hex shoulder stud offers excellent fit and stability.
HEX SHOULDER STUD - 81900010210 suitable for MAN D engines
###Reliable Hex Shoulder Stud for EnginesDiscover the hex shoulder stud with the comparison number 81900010210, an essential OEM replacement part that offers you top-notch quality for your engines. Weighing only 0.04 kg, this component stands for reliability and durability. It is ideally suited for marine and stationary applications, making it an excellent choice for your machines.
HEX SHOULDER STUD - 81900010206 suitable for MAN D engines
Hex Shoulder Stud with Comparison Number 81900010206The hex shoulder stud with the comparison number 81900010206 is an essential OEM spare part specifically designed to meet the highest standards. This product weighs only 0.05 kg and is classified under screws. Our hex shoulder stud ensures reliable fastening and contributes to the longevity of engines.Suitable for MAN D EnginesOur hex shoulder stud is suitable for MAN D engines, providing perfect compatibility. OEM spare parts ensure that you receive the quality and functionality you can expect from manufacturers. Compared to aftermarket products, our spare parts assure that your engine operates optimally under challenging conditions.
HEX SHOULDER STUD - 81900010197 suitable for MAN D engines
Hex Shoulder Stud with Comparison Number 81900010197Discover the hex shoulder stud with comparison number 81900010197, which is ideal for your need for spare parts. This product belongs to the article group of screws and offers exceptional reliability for engines. With a weight of 0.31 kg, it is optimal for demanding applications in marine and stationary settings.OEM Spare Parts Compatible with MAN D EnginesThe hex shoulder stud is an OEM spare part that has been specifically designed for MAN D engines. By using OEM spare parts, you ensure the highest quality and reliable performance that benefits your engines. Rely on our hex shoulder stud and take advantage of a product that is precisely tailored to the needs of your engine.
HEX SHOULDER STUD - 81900010182 suitable for MAN D engines
Precise Hex Shoulder Stud for Demanding ApplicationsDiscover the Hex shoulder stud with the comparison number 81900010182, which is precisely manufactured and suitable for MAN D engines. This OEM replacement part offers an ideal fit and safety in critical applications. Weighing only 0.063 kg, it combines stability with lightness, making it the perfect choice for marine and stationary use.Over 1 Million Replacement Parts in StockIn our range, you will find over 1 million OEM replacement parts, including the Hex shoulder stud. Every product has been selected according to strict quality standards to ensure high performance for engines. This part represents reliability and efficiency, making it the ideal partner for your maintenance needs.
HEX SHOULDER STUD - 81900010175 suitable for MAN D engines
Versatile Hex Shoulder Stud for Demanding ApplicationsOur hex shoulder stud with the part number 81900010175 is an essential product for the industry. This OEM replacement part is excellent for use in engines that require high levels of stability and reliability. Weighing only 0.1 kg, this stud is ideal for applications in marine and stationary engineering.Suitable for MAN D EnginesThe hex shoulder stud is suitable for MAN D engines and impresses with its precise manufacturing. Every component is carefully selected to ensure it meets the industry’s stringent standards. This fit ensures a stable connection and a long lifespan for your machines.
HEX SHOULDER STUD - 81900010174 suitable for MAN D engines
Hex Shoulder Stud with Comparison Number 81900010174Discover the Hex shoulder stud with the comparison number 81900010174, which is perfectly suited for your engine requirements. This reliable product is compatible with MAN D engines and belongs to the category of screws. With a weight of only 0.09 kg, this component offers easy handling and impresses with high precision.OEM Replacement Parts in Excellent QualityOur hex shoulder stud is an OEM replacement part that meets strict quality standards. The comparison number 81900010174 ensures that you receive a product specifically designed for the needs of engines. Trust in OEM replacement parts that are designed for a long service life and optimal performance compatible with MAN D engines.
HEXAGON BOLT - 81900010168 suitable for MAN D engines
Precise Hexagon Bolt for MAN D EnginesDiscover the hexagon bolt with the comparison number 81900010168, an essential product that is ideal for use in engines. This OEM spare part stands out for its quality and precision, meeting all requirements placed on engines in marine and stationary applications. Weighing only 0.06 kg, it is the perfect solution for a variety of applications.
HEX SHOULDER STUD - 81900010167 suitable for MAN D engines
High-Quality Hex Shoulder Stud for MAN D EnginesDiscover the hex shoulder stud with the comparison number 81900010167, specifically designed for MAN D engines. This product combines quality and precision to meet the demands in challenging environments. Weighing 1.01 kg, this hex shoulder stud ensures an optimal fit, making it ideal for marine and stationary 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.