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Every bolted connection in your SINOTRUK HOWO truck’s chassis relies on fasteners of the highest quality to maintain structural integrity and safety. The genuine SINOTRUK HOWO Q150B0820F31 Hexagonal Bolt is an OEM-grade fastener engineered to provide reliable clamping force in the most demanding heavy-duty applications. As an essential component among Sinotruk howo parts, this hex bolt guarantees exact dimensions, proper thread engagement, and consistent torque performance. Manufactured from high-strength carbon steel with a protective finish, the Q150B0820F31 bolt withstands vibration, thermal cycling, and environmental exposure in construction, mining, and long-haul operations. Investing in this authentic fastener ensures structural integrity, prevents loosening, and simplifies maintenance across your vehicle’s chassis and drivetrain assemblies.
Hexagonal Bolt
Болт шестигранный
Perno hexagonal
The Q150B0820F31 hexagonal bolt is cold-formed from high-strength carbon steel and heat-treated to achieve the specified property class (typically 8.8 or 10.9). This process ensures consistent tensile strength and resistance to shearing forces in critical chassis connections. The hex head is precision-formed to provide a secure grip for standard sockets and wrenches, allowing accurate torque application during assembly. The threads are rolled for a smooth, uniform profile that ensures proper engagement with nuts or tapped holes, reducing the risk of galling and cross-threading.
A protective zinc or dacromet coating is applied to the Q150B0820F31 bolt, offering excellent corrosion resistance against moisture, road salts, and chemicals. This finish ensures the bolt remains serviceable even after years of exposure to harsh under-vehicle environments. The bolt’s dimensions meet SINOTRUK HOWO’s strict tolerances for head height, shank length, and thread pitch, guaranteeing compatibility with original mounting points. Whether used for securing suspension components, frame brackets, or engine mounts, this hex bolt delivers reliable fastening in the most demanding conditions.
The table below provides detailed technical specifications for the genuine SINOTRUK HOWO Q150B0820F31 Hexagonal Bolt. This data is essential for verifying compatibility with your application and understanding the fastener’s capabilities.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | Q150B0820F31 | SINOTRUK HOWO Original Code |
| Product Name | Hexagonal Bolt | Metric hex head bolt |
| Thread Size | M8 x 1.25 | Coarse metric thread |
| Length (mm) | 20 mm (under head) | Nominal grip length |
| Head Size (across flats) | 13 mm | Standard hex |
| Property Class | 8.8 or 10.9 (model specific) | Tensile strength rating |
| Material | High-strength carbon steel | Heat-treated |
| Surface Finish | Zinc-plated / Dacromet | Corrosion resistant |
| Thread Pitch | 1.25 mm | Standard coarse |
| Operating Temperature | -50°C to +150°C | All climates |
| Weight (approx.) | 12 grams | Light but strong |
| Applications | Chassis, brackets, engine mounts | Heavy-duty |
Installing the Q150B0820F31 hex bolt requires standard tools – a correctly sized socket or wrench. Ensure the bolt threads and mating threads are clean and free of debris. Apply the recommended torque value as per SINOTRUK HOWO specifications to achieve proper clamp load without over-stressing the bolt. Always use a torque wrench for critical applications. If the bolt is used with a nut, ensure the nut is of matching property class. For joints requiring a washer, use a genuine SINOTRUK HOWO flat washer (e.g., Q40208F31) to protect the surface.
The Q150B0820F31 bolt is a direct OEM replacement for the original fastener. Compatibility is determined by thread size, length, and head type. Refer to your vehicle’s parts catalog to confirm that Q150B0820F31 matches the application. Using the correct bolt ensures proper clamp force and prevents loosening from vibration. Genuine bolts are manufactured to tight tolerances, guaranteeing fitment into tapped holes and clearance holes as designed. For safety-critical fasteners, always use OEM parts.
When installing multiple bolts in a pattern, tighten them in a star or crisscross sequence to ensure even clamping and prevent distortion of the mating parts. Recheck torque after the first few hours of operation in new assemblies.
The Q150B0820F31 hex bolt provides consistent and secure clamping, preventing loosening due to vibration and thermal expansion. This maintains the integrity of assemblies, reducing the risk of component shift or failure.
With its protective finish, the genuine bolt resists rust and chemical attack, ensuring long-term reliability even in harsh environments like road salt, humidity, and off-road conditions.
Using high-quality OEM fasteners prevents thread stripping and breakage, reducing the need for repairs. Proper fastening minimizes downtime and extends the life of components, offering long-term savings.
A failing bolt may exhibit visible rust, stripped threads, or a deformed head. In service, it can lead to loosening of components, rattling noises, or misalignment of parts. If you encounter bolts that are difficult to remove or have damaged drive recesses, replace them immediately. Never reuse bolts that have been over-torqued or show signs of corrosion. Using a new genuine Q150B0820F31 bolt ensures proper clamping and prevents future issues.
Delaying replacement of worn fasteners can result in component detachment, leading to safety hazards or costly damage. During routine maintenance, inspect all accessible fasteners and replace any that appear compromised. OEM bolts like Q150B0820F31 provide the assurance of correct metallurgy and finish.
To maximize the life of your bolts, use the correct tools and torque values during installation. Avoid over-tightening, which can stretch threads or break the bolt. Periodically check critical fasteners for tightness, especially after off-road use. Keep spare genuine Q150B0820F31 bolts on hand for quick replacements.
During vehicle washing, avoid high-pressure water directly at bolt heads to prevent forcing moisture past the finish. If rust is detected, replace the bolt promptly. Following these practices will help maintain the structural integrity of your SINOTRUK HOWO.
Fasteners may seem generic, but their performance is critical. Generic bolts often use inferior steel, lack proper heat treatment, and have imprecise threads, leading to stripping or breaking. The genuine SINOTRUK HOWO Q150B0820F31 hex bolt is manufactured to exact specifications, with controlled material properties, accurate thread geometry, and consistent finish. It meets the rigorous demands of heavy-duty applications.
By choosing the authentic part, you ensure that every fastener performs as designed, maintaining the safety and reliability of your truck. For fleet managers and owner-operators who prioritize long-term performance, the genuine Q150B0820F31 is the intelligent choice.
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