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In the world of heavy-duty truck maintenance, the integrity of every joint is paramount. For SHACMAN truck owners and fleet managers, the reliability of fastening systems directly impacts vehicle safety and uptime. This is where genuine SHACMAN truck parts demonstrate their superior engineering. Specifically, the Hex Flange Bolt, carrying the precise OEM number BY9000000361, is designed to deliver unparalleled clamping force and vibration resistance in high-stress applications. Utilizing a generic bolt can lead to joint failure, fluid leaks, and component separation, making the selection of the correct OEM fastener, such as BY9000000361, a critical decision for operational reliability and safety.
Hex Flange Bolt
The SHACMAN Hex Flange Bolt, identified by the specific part number BY9000000361, is an advanced fastener engineered for critical applications where a wide bearing surface and secure locking are required. Unlike standard hex bolts, this design integrates a circular flange directly under the hex head. This flange acts as a built-in, non-spinning washer, distributing the clamping force over a much larger area on the component surface. This function is crucial for preventing localized stress, protecting softer materials from damage, and creating a more reliable, vibration-resistant joint.
The primary mission of bolt BY9000000361 is to maintain the integrity of assemblies subjected to constant dynamic loads, such as those found in the engine, transmission, suspension, and chassis systems of a SHACMAN truck. Its design prevents the bolt head from embedding into the material, ensuring consistent clamp load and reducing the risk of loosening over thousands of miles. A failure of this fastener can lead to oil pan leaks, exhaust manifold detachment, or suspension component failure, all of which result in costly repairs and dangerous road situations.
The genuine SHACMAN BY9000000361 Hex Flange Bolt is manufactured from high-strength alloy steel, typically graded 10.9 or higher, indicating a minimum tensile strength of 1040 MPa. This material undergoes precise forging and controlled heat treatment processes, including quenching and tempering, to achieve an optimal balance of hardness, tensile strength, and ductility. This ensures the bolt can withstand extreme tensile and shear forces without stretching or shearing under load.
The integrated flange is a key feature. It eliminates the need for a separate washer, reducing parts count and the risk of incorrect assembly. The flange’s serrated underside or smooth machined surface provides excellent grip, preventing rotation during nut tightening and resisting loosening due to vibration. The threads are precision-rolled after heat treatment, which enhances their fatigue strength and ensures smooth, accurate engagement with nuts or tapped holes.
To combat the harsh environments trucks operate in, the BY9000000361 bolt is protected with a durable surface finish. Common treatments include zinc flake coating (Geomet) or hot-dip galvanizing, which offer superior corrosion resistance against road salt, moisture, and chemicals. This protection is critical for maintaining the bolt’s structural integrity and ensuring it can be removed safely during future maintenance. Choosing the authentic BY9000000361 guarantees these exact material properties and protective features as specified by SHACMAN.
The Hex Flange Bolt BY9000000361 is specified for numerous high-integrity applications across SHACMAN’s heavy-duty truck range, including the popular X3000, F3000, and M3000 series. It is commonly found securing fluid-carrying components like oil pans, transmission pans, and valve covers, where its flange provides an excellent seal-preloading surface for gaskets. It is also used in exhaust manifold assemblies, turbocharger mounting, and critical suspension joints where vibration resistance is paramount.
Its compatibility is defined not just by thread dimensions (e.g., M10x1.25, M12x1.75) but by its specific strength grade, flange diameter, and coating. Using the exact BY9000000361 part ensures the joint is assembled with the correct clamp load characteristics for that specific location. Mechanics should always cross-reference this OEM number with the vehicle’s service manual or electronic parts catalog to confirm its use in specific sub-assemblies, as substituting with a standard bolt can compromise sealing and joint stability.
The integrated flange on bolt BY9000000361 significantly enhances joint safety. By distributing load, it minimizes the risk of the bolt head pulling through sheet metal or cracking brittle components like cast aluminum. More importantly, the flange’s grip and increased surface area dramatically improve the joint’s resistance to vibrational loosening, a primary cause of fastener failure in trucks. This ensures critical systems like brakes and steering remain securely fastened, directly contributing to vehicle and driver safety.
Correct installation is vital. The BY9000000361 bolt must be torqued to the exact specification provided by SHACMAN, typically using a calibrated torque wrench. The flange design often means a different torque value compared to a standard hex bolt without a washer. Clean all threads before installation. For critical sealing applications, follow any specific sequence (e.g., star pattern) to ensure even gasket compression. Inspect during routine service for signs of corrosion, thread damage, or looseness.
The table below outlines the essential technical data for the SHACMAN Hex Flange Bolt. This information is crucial for parts procurement, quality verification, and ensuring the correct fastener is used for maintenance and repair tasks, preserving the vehicle’s original design integrity.
| Parameter | Specification | Details / Notes |
|---|---|---|
| OEM Part Number | BY9000000361 | Primary Identification |
| Product Name | Hex Flange Bolt | Common Description |
| Brand | SHACMAN | Genuine OEM Part |
| Thread Specification | Metric Fine/Coarse | e.g., M10, M12, M14 |
| Strength Grade | Grade 10.9 or Higher | High Tensile Strength |
| Material | Alloy Steel | Heat-Treated |
| Head Style | Hexagon with Integrated Flange | Built-in Washer |
| Surface Finish | Zinc Flake / Galvanized | High Corrosion Resistance |
| Flange Diameter | Specific to Size | Wider than Standard Head |
| Compatibility | SHACMAN X3000, F3000, M3000 | Check Specific Application |
Selecting the authentic SHACMAN Hex Flange Bolt with part number BY9000000361 is a fundamental decision for ensuring long-term joint integrity. Genuine fasteners are produced under strict quality management systems, with material certifications and batch testing for mechanical properties. This guarantees that every bolt meets the precise load-bearing and durability requirements of its intended application.
Non-genuine flange bolts may have incorrect flange dimensions, inferior plating, or sub-standard steel. A flange that is too small defeats its purpose; poor plating leads to rapid rust and thread seizure; weak steel can cause catastrophic failure. The initial cost saving is insignificant compared to the expense of repairing a failed oil pan, a detached exhaust, or addressing a suspension collapse. The OEM number BY9000000361 is your assurance of a fastener engineered to SHACMAN’s exact specifications for performance and safety.
In applications involving gaskets, the BY9000000361 bolt is essential. Its wide, flat flange applies clamping force evenly across the gasket’s entire footprint. This prevents localized high-pressure points that can cause gasket extrusion and leaks. Consistent, even pressure ensures the gasket seals properly from the moment of installation and maintains that seal throughout thermal cycles and vibration, preventing fluid loss and contamination.
Always verify the part number BY9000000361 on the packaging or directly from a trusted SHACMAN parts supplier. Genuine bolts are typically marked with the strength grade (e.g., “10.9”) and may have the manufacturer’s logo. Keep a supply of these critical fasteners for common repair jobs. When procuring, confirm the exact thread size, length, and coating required for your specific repair to avoid installation issues and ensure optimal performance.
The engineering behind the SHACMAN BY9000000361 Hex Flange Bolt addresses the real-world challenges of heavy-duty truck operation. Vibration from rough roads and engine harmonics constantly tests every fastened joint. The flange bolt’s design combats this through increased surface contact and frictional resistance. Furthermore, in aluminum or composite components, which are increasingly common, the flange prevents the bolt head from digging in and damaging the softer material, preserving the component’s integrity over multiple disassembly and reassembly cycles.
Corrosion protection is another critical aspect. The specialized coatings used on the genuine BY9000000361 bolt are selected for their ability to withstand corrosive agents like de-icing salts and industrial fallout. This not only maintains the bolt’s appearance but, more importantly, preserves its tensile strength and prevents thread galling. A corroded bolt can be impossible to remove without destructive methods, turning a simple repair into a major operation. The investment in a properly coated OEM fastener pays dividends in serviceability.
For fleet managers, standardizing on genuine fasteners like BY9000000361 is a smart business practice. While the unit price may be higher, the total cost is lower. Reduced failure rates mean fewer roadside breakdowns, less unplanned downtime, and lower costs for tow services and emergency repairs. Consistent quality simplifies maintenance procedures and reduces diagnostic time when problems arise.
Using OEM fasteners also helps maintain warranty coverage and ensures compliance with safety regulations. Keeping an accurate inventory of critical fasteners, including BY9000000361, allows for efficient scheduled maintenance and prevents project delays waiting for parts. This proactive approach maximizes vehicle availability and profitability across the entire fleet.
In summary, the SHACMAN BY9000000361 Hex Flange Bolt is a specialized component designed for reliability. Its integrated flange, high-strength material, and protective coating work together to create durable, vibration-resistant joints in critical systems. Recognizing its importance and using it correctly are marks of professional maintenance.
Regular inspection of these fasteners during service intervals is recommended. Look for signs of coating degradation, thread deformation, or any indication of loosening. When replacing, always use a new genuine BY9000000361 bolt, especially in torque-to-yield or sealing applications. Adhering to specified torque procedures and sequences is non-negotiable for achieving the designed clamp load. By respecting these details, you ensure the longevity and safety of the vehicle’s most important assemblies.
The SHACMAN Hex Flange Bolt, OEM number BY9000000361, is a critical fastener engineered for high-integrity applications where vibration resistance and load distribution are essential. Its unique design with an integrated flange provides superior joint stability, protects components, and ensures reliable sealing with gaskets.
Investing in the genuine BY9000000361 component is an investment in the safety, reliability, and longevity of your SHACMAN truck. It guarantees the correct mechanical properties, corrosion resistance, and perfect fit for the intended application. Always specify the authentic OEM part number for all critical fastening needs to uphold the engineering standards and safety margins inherent in your heavy-duty vehicle’s design.
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