HEX FLANGE BOLT
HEX FLANGE BOLT Screws for Marine and Diesel Engines
Screws are the fundamental mechanical fasteners that clamp, align, and secure engine components under high load and thermal cycling. In engine rooms and propulsion systems, they create and maintain the critical joint integrity that keeps housings sealed, rotating assemblies aligned, and safety margins intact. Within this category, the HEX FLANGE BOLT is widely specified because its integrated washer face spreads load, reduces surface pressure, and speeds up assembly—key benefits in marine engine and diesel engine environments where uptime and reliability matter.
From cylinder covers and exhaust manifolds to accessory brackets and pump flanges, screws enable precise, repeatable clamping. Their material strength, thread geometry, head design, and surface finish directly influence engine performance, efficiency, and safety. Selecting the right screw—and replacing it with the correct OEM parts—prevents loosening, leakage, and premature wear.
Technical function of screws in engine assemblies and the role of the HEX FLANGE BOLT
In any bolted joint, the screw’s core job is to generate preload. When torqued, a screw stretches elastically and clamps parts together; this preload counters external forces from combustion pressure, vibration, and thermal expansion. A HEX FLANGE BOLT is engineered to stabilize that preload. The broad flange acts like a built-in washer, distributing clamp force over a larger area to protect softer mating surfaces and gaskets, while also improving resistance to vibration-induced embedment.
In a diesel engine, preload stability is essential for sealing oil and coolant channels, maintaining bearing cap alignment, and securing ancillary systems such as fuel injection pumps or turbocharger brackets. The friction conditions between threads and the bearing surface determine torque-to-tension conversion; therefore, coatings (e.g., phosphate-oil, zinc-nickel, or dry-film lubricants) and the head/flange geometry are specified to deliver predictable clamp loads. The HEX FLANGE BOLT for a marine engine application often includes serrations under the flange to enhance bite and mitigate loosening, especially on painted or lightly oiled surfaces.
Materials and strength classes are equally important. Engine screws typically use alloy steels in property classes 8.8, 10.9, or 12.9 for high tensile performance. For hot zones near turbochargers or exhaust manifolds, heat-resistant alloys and tailored coatings combat oxidation and thermal relaxation. Thread forms (metric coarse/fine, UNC/UNF) are matched to housing materials—fine threads for harder metals and precise adjustment, coarse threads for castings to improve pull-out resistance. Properly selected OEM parts ensure thread tolerances, head heights, and flange diameters match the engine designer’s intended load path.
- · High, repeatable clamp load for stable joints.
- · Integrated flange reduces surface pressure and fretting.
- · Optimized coatings for accurate torque-tension behavior.
- · Strength classes (e.g., 10.9) for demanding engine loads.
- · Serrated flange options to resist vibration loosening.
- · Precise thread geometry for reliable assembly and service.
- · Material choices for corrosion and heat resistance.
- · Compatible with torque-angle tightening strategies.
HEX FLANGE BOLT use cases in diesel and marine engine systems
Typical placements include front-end accessory drives, timing covers, oil sump pans, charge-air cooler brackets, exhaust shields, and pump flanges. In these locations, HEX FLANGE BOLT OEM parts enable faster service because the flange head simplifies tooling access and reduces the need for additional washers—an advantage on tightly packaged engine blocks and in cramped engine rooms.
Importance of screws for engine operation, reliability, and service life
When screws lose preload due to vibration, thermal cycling, thread damage, or corrosion, joints begin to move. This micro-movement leads to gasket extrusion, oil or coolant leaks, misalignment, and higher NVH. In severe cases, bracket failures can compromise auxiliary systems, while exhaust leaks raise backpressure and reduce efficiency. Over-torqued or reused screws that have yielded may no longer provide proper clamp force, inviting fatigue cracks. Conversely, under-torqued screws can loosen and back out, with potentially catastrophic consequences in high-speed machinery.
Routine inspection intervals on marine engine fleets often include torque checks and visual examination for corrosion, head rounding, or thread galling. Replacing worn or damaged screws with precisely matched OEM parts protects asset life, lowers the risk of unplanned downtime, and supports safe operation under class and insurer scrutiny.
Advantages of OEM spare parts suitable for Screws
Choosing OEM spare parts suitable for screws ensures technical alignment with the engine maker’s specifications. That means correct head geometry, flange diameter, underhead radius, thread fit class, property class, and coating system—details that directly affect clamp load, corrosion resistance, and service intervals.
For purchasers and shipowners balancing budget with risk, the advantages are clear:
- · Consistent torque-tension behavior across batches.
- · Tightly controlled materials and heat treatment for strength.
- · Correct coatings to prevent galvanic corrosion in marine atmospheres.
- · Fit-for-purpose dimensions for seamless installation and rework.
- · Reduced re-torque needs and fewer joint-related failures.
- · Lower total cost of ownership through extended service life.
- · Traceability and documentation for safety and compliance.
- · Confidence that a HEX FLANGE BOLT will perform as intended in OEM parts assemblies.
In practice, that translates to predictable maintenance windows, minimized downtime, and preserved engine efficiency—especially vital on long-haul routes and in continuous-duty power generation.
MOPA: fast, secure supply of OEM parts for HEX FLANGE BOLT Screws
MOPA is an experienced and reliable partner for OEM spare parts suitable for screws across diesel and gas engines. We focus on speed, quality, and security in the trade of OEM parts, helping operators source the correct HEX FLANGE BOLT for marine engine refits, overhauls, and routine maintenance. With technical know-how, global logistics, and rigorous sourcing, MOPA supports your teams with the right specifications, documentation, and delivery performance to keep engines running efficiently.
Technical support and sourcing confidence
Whether you need property class 10.9 with a phosphate-oil finish for a diesel engine timing cover or a heat-resistant HEX FLANGE BOLT configuration for hot-end brackets, MOPA aligns part selection with application loads, materials, and tightening methods. That alignment safeguards clamp integrity and extends the service life of connected components.
Conclusion: screws and HEX FLANGE BOLT value in engine applications
Screws are the backbone of engine joint integrity, and the HEX FLANGE BOLT adds proven advantages in load distribution, assembly speed, and vibration resistance. Selecting OEM spare parts suitable for screws ensures the right materials, dimensions, and coatings, preserving performance, reliability, and lifecycle value in diesel and marine engine fleets.
Hex Flange Bolt for Simple Maintenance SolutionsDiscover the Hex flange bolt (comparison number: 06032166314), an essential OEM replacement part for the reliable maintenance of your engines. This bolt stands out due to its precise workmanship and meets the highest technical standards. Weighing only 0.034 kg, it offers an ideal combination of quality and functionality, suitable for MAN D engines.Efficient Use in Stationary ApplicationsThe Hex flange bolt ensures easy handling, especially in challenging environments. When installing this Hex flange bolt, regarded as a perfect product, you can rely on over 25 years of experience in the distribution of OEM replacement parts to effectively optimize the performance of your engines.
Quality of the Hex Flange Bolt Suitable for MAN D EnginesDiscover the proven replacement part, the Hex flange bolt with comparison number 06032168404. Weighing only 0.02 kg, this product is specifically designed for engines that demand the highest standards of performance and longevity. Our Hex flange bolt provides a reliable solution for various applications.OEM Replacement Parts for Maximum EfficiencyThis product is an OEM replacement part that meets significant requirements, enabling long-term, robust operation. It is ideally suited for MAN D engines and offers unparalleled quality, which is of great importance in the B2B sector. Rely on our Hex flange bolt to keep your engines operating reliably at all times.
HEX FLANGE BOLT with the comparison number 990232 suitable for Volvo/Volvo Penta engines
Precise Hex Flange Bolt – Comparison Number 06032168309Discover our hex flange bolt with the comparison number 06032168309, which has proven itself in various applications of engines. This product belongs to the category of screws and utilizes innovative technologies. With a weight of only 0.026 kg and compact dimensions of 5.3 cm in length and width as well as 1.9 cm in height, it is optimally suited for marine and stationary engines.Item Suitable for MAN D Engines – Optimal PerformanceThis hex flange bolt is ideally suited for precise installation on MAN D engines. The use of robust materials ensures reliable functionality, which is crucial for your technical operation. OEM spare parts like this offer not only better fit but also lasting performance under various operating conditions.
HEX FLANGE BOLT with the comparison number 990861 suitable for Volvo/Volvo Penta engines
Robust Hex Flange Bolt in Premium QualityThe Hex flange bolt (reference number: 06032153609) is an essential product for demanding applications. This reliable OEM replacement part ensures excellent connection and stability, making it a perfect choice. Its lightweight design (weight: 0.11 kg) combined with a robust construction makes this bolt ideal for use in various engines.
Reliable Hex Flange Bolt with the Comparison Number 06032168420Discover our Hex flange bolt, comparison number 06032168420, which is ideal for use in high-performance engines. Weighing only 0.08 kg, this product combines stability and precise handling. Particularly attractive is the recommendation from the product category of high-quality OEM replacement parts – optimal for your applications.Perfectly Suitable for MAN D EnginesOur Hex flange bolt is an excellent solution for applications requiring compatible alternatives. The product is designed to fit MAN D engines and ensures stable performance even under demanding conditions. Reliability is a top priority for us, especially when offering items that are compatible with well-known manufacturers such as MWM, Mercedes-Benz, Deutz, and others.
HEX FLANGE BOLT with the comparison number 996570 suitable for Volvo/Volvo Penta engines
Exclusive Hex Flange Bolt at a GlanceDiscover our Hex flange bolt, an OEM replacement part suitable for MAN D engines. With the comparison number 06032168519, this product exemplifies quality and durability. Trust in the top-notch craftsmanship that is utilized in both marine and stationary applications.
Robust Product: Hex Flange BoltDiscover the product, the hex flange bolt with the comparison number 06032166321. This OEM replacement part is optimally suited for use in engines and ensures durable connections. Weighing only 0.061 kg, the bolt is suitable for both diesel and gas engines. This bolt combines robustness with low weight and is an essential component of your engine technology.Perfect Fit: Suitable for MAN D EnginesThe hex flange bolt is a replacement part compatible with MAN D engines. The strict manufacturing standards of the OEM replacement parts ensure high quality and compatibility. This component not only improves the safety but also the performance of your systems. Rely on reliable components specifically designed for the challenges of marine and stationary applications.
Robust Hex Flange Bolt suitable for MAN DThe hex flange bolt with comparison number 06032166519 is an essential OEM replacement part specifically designed for applications in marine and stationary environments. As a reliable product, this component offers excellent quality and durability, making it ideal for demanding use in engines. This screw stands out for its outstanding fit and functionality, making it the optimal solution.Precise Manufacturing suitable for MAN D EnginesThis hex flange bolt is perfectly suited for MAN D engines and is available under the comparison number 06032166519. As a compatible component, it ensures that your drive unit operates safely and efficiently. Weighing only 0.123 kg, the screw provides ideal weight characteristics and flexibility during assembly, enhancing the overall performance of your engines.
Robust Hex Flange Bolt for Your Applications The hex flange bolt with the comparison number 06032168337 is an essential product that ensures consistent performance in your engines. Weighing only 0.05 kg, this bolt is both lightweight and sturdy. Its dimensions – a length of 13.3 cm and a height and width of 1.7 cm and 13.3 cm – make it perfect for applications that require reliable stability.Suitable for MAN D Engines This OEM replacement part is suitable for MAN D engines and enables a variety of applications in marine and stationary areas. The hex flange bolt demonstrates that the majority of the products in our range are designed to ensure your engine operates powerfully and reliably.
Quality You Can Rely On: Hex Flange Bolt Discover the Hex flange bolt, a premium product suitable for MAN D engines. With the comparison number 06032166322, a weight of 0.064 kg, and excellent fit, this OEM spare part offers the reliability your machines need. In marine and stationary applications, high performance is essential, and this bolt delivers just that.Compatible with MAN D Engines The product is suitable for a wide range of applications in connection with MAN D engines. Every detail is designed to ensure perfection in fit and execution. OEM spare parts ensure that you not only save money but also receive quality.
Excellent Hex Flange Bolt for EnginesDiscover our product: the Hex flange bolt, an indispensable OEM replacement part. The comparison number 06032168408 ensures that you select the right component suitable for MAN D engines. This ensures a precise fit and smooth integration into your machines.Perfectly Sized for Industrial UseThe Hex flange bolt weighs only 0.035 kg and has compact dimensions of 5 cm in length and 5 cm in width, with a height of 2.2 cm. These measurements make the product efficient and ideal for various applications in MAN D engines, without unnecessarily increasing the space requirement.
Precise Hex Flange Bolt for Your EnginesDiscover the hex flange bolt with the comparison number 06032168418, an important OEM replacement part that offers top-notch quality. Its silky smooth surface and high strength make it an essential component in your engine area.Robust Connection for Compatible with MAN D EnginesThis product is specifically designed to be compatible with MAN D engines. This ensures that your engine runs efficiently at all times. The 0.07 kg lightweight hex flange bolt provides a reliable connection between components, which is especially valuable in maritime and stationary applications.
Reliable Hex Flange Bolt for Stable EnginesThe Hex flange bolt (Comparison number: 06032168505) is an essential spare part specifically designed to optimally support the performance of your engines. Weighing only 0.044 kg, this product offers a perfect combination of robustness and functionality. This bolt belongs to the Screws category and is an essential element for maintenance work.
Innovative Hex Flange Bolt for Marine UseDiscover the Hex flange bolt with comparative number 990862, an indispensable OEM replacement part designed for installation in engines. This quality product is compatible with Volvo/Volvo Penta engines and meets the high standards you would expect from a replacement part. Weighing only 0.037 kg, it combines robustness and durability.OEM Replacement Parts for Maximum PrecisionThe Hex flange bolt is characterized by the highest precision and fit. It is specifically developed as an OEM replacement part to meet the requirements of numerous applications in marine and stationary engines. This ensures that you obtain optimal performance from compatible with Volvo/Volvo Penta engines. Users can rely on this component to function smoothly.
HEX FLANGE BOLT with the comparison number 990812 suitable for Volvo/Volvo Penta engines
Hex flange bolt suitable for MAN D enginesDiscover the hex flange bolt with the comparison number 06032166337, which offers a reliable fastening solution. This bolt belongs to the product group of screws and is specifically suited for MAN D engines from the renowned manufacturer. With its exceptional design, it meets the high demands of your application.Light and Robust: Reliability for EnginesWeighing 0.055 kg, the hex flange bolt provides an optimal balance between stability and handling. As an OEM replacement part, it optimizes the functionality of your engines and is ideal for use in marine and stationary applications. There is no doubt that it is the perfect addition to your environment.
Robust Hex Flange Bolt M10x75-10.9Experience the Hex Flange Bolt M10x75-10.9, distinguished by its premium workmanship. This product is an OEM replacement part that can be seamlessly used for your application. With the comparison number 06032168431, we ensure you receive a suitable component that meets the requirements of your engines.Suitable for MAN D EnginesThe Hex Flange Bolt M10x75-10.9 has been specifically selected to be perfectly compatible with MAN D engines. Each bolt is designed for maximum precision and helps optimize the vibration damping of your engines. Our OEM replacement parts offer you an exact fit and long durability of the components.
HEX FLANGE BOLT with the comparison number 23836339 suitable for Volvo/Volvo Penta engines
Free Shipping: Top-Quality Hex Flange BoltDiscover the Hex flange bolt, a crucial OEM replacement part that is suitable for MAN D engines. The comparison number 06032168303 ensures that you receive the appropriate component for your applications. This screw combines functionality and quality that you expect from a successful partner in the engine sector.
HEX FLANGE BOLT with the comparison number 994403 suitable for Volvo/Volvo Penta engines
Your Reliable Hex Flange Bolt ProductDiscover the Hex flange bolt, a professional product with the comparison number 984752, ideal for use in specialized engines. This OEM replacement part meets all the necessary standards that you can expect from a high-quality supplier familiar with engine components. It is an indispensable component that serves you well in marine applications as well as in stationary use.Precision in Products Suitable for Volvo/Volvo PentaThe Hex flange bolt is suitable for Volvo/Volvo Penta engines. This ensures reliable performance and durability of the engines. Weighing only 0.023 kg, this product meets the highest standards of quality and resilience. Trust in trusted OEM expertise to keep your machines running efficiently.