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In heavy-duty truck assembly, every fastener must meet strict standards for strength and reliability. The genuine SINOTRUK HOWO Q2140620F31 Cross Slot Pan Head Screw is an OEM-grade fastener engineered for secure clamping and corrosion resistance in chassis and component applications. As an essential part of the trusted Sinotruk howo parts family, this pan head screw guarantees exact dimensions, proper thread engagement, and consistent torque performance. Manufactured from high-strength carbon steel with a protective finish, the Q2140620F31 screw 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.
Cross Slot Pan Head Screw
Винт с крестообразным шлицем и полукруглой головкой
Tornillo de cabeza redonda con ranura en cruz
The Q2140620F31 screw features a pan head design that provides a low-profile, finished appearance while offering a large bearing surface. This distributes clamping force evenly, reducing the risk of damage to softer materials. The cross slot drive allows for positive engagement with standard screwdrivers or power tools, minimizing cam-out and ensuring consistent torque application during assembly. Each screw is cold-formed from high-strength carbon steel, then heat-treated to achieve the specified property class (e.g., 8.8 or 10.9), ensuring it can withstand the tensile and shear loads encountered in chassis applications.
The threads are precision-rolled for consistent pitch and profile, ensuring proper engagement with nuts or tapped holes. A protective finish, such as zinc plating or dacromet, is applied to resist corrosion from moisture, road salts, and chemicals. The Q2140620F31 screw meets SINOTRUK HOWO’s strict dimensional tolerances for head height, drive depth, and thread length, guaranteeing compatibility with original mounting points. Whether used for securing brackets, covers, or structural components, this screw delivers reliable fastening in the most demanding environments.
The table below provides detailed technical specifications for the genuine SINOTRUK HOWO Q2140620F31 Cross Slot Pan Head Screw. This data is essential for verifying compatibility with your application and understanding the fastener’s capabilities.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | Q2140620F31 | SINOTRUK HOWO Original Code |
| Product Name | Cross Slot Pan Head Screw | Pan head with cross recess drive |
| Thread Size | M6 x 1.0 (example – verify) | Metric coarse thread |
| Length (mm) | 20 mm (as per part number) | Under-head length |
| Head Diameter | ~11.8 mm (for M6) | Provides large bearing surface |
| Head Height | ~3.9 mm (for M6) | Low profile design |
| Drive Type | Cross slot (Phillips / Pozidriv) | Standard cross recess |
| Material | Carbon steel, heat-treated | High strength |
| Property Class | 8.8 or 10.9 | Tensile strength rating |
| Surface Finish | Zinc-plated / Dacromet | Corrosion resistant |
| Operating Temperature | -50°C to +150°C | Suitable for all climates |
| Weight (approx.) | 4 grams | Light but strong |
| Compatible Applications | SINOTRUK HOWO chassis, brackets | Check specific usage |
Installing the Q2140620F31 screw requires standard tools – a correctly sized cross-slot screwdriver or bit. Ensure the screw threads are clean and free of debris. Apply the recommended torque value as per SINOTRUK HOWO specifications to achieve proper clamp load without stripping threads or damaging the drive recess. For critical applications, a torque wrench should be used. Always engage the driver fully into the cross slot to prevent cam-out. If the screw is used with a nut, ensure the nut is of matching property class.
The Q2140620F31 screw 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 Q2140620F31 matches the application. Using the correct screw ensures proper clamp force and prevents loosening from vibration. Genuine screws 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 screws 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 Q2140620F31 screw 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 screw 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 screw 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 screws that are difficult to remove or have damaged drive recesses, replace them immediately. Never reuse screws that have been over-torqued or show signs of corrosion. Using a new genuine Q2140620F31 screw 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 screws like Q2140620F31 provide the assurance of correct metallurgy and finish.
To maximize the life of your screws, use the correct tools and torque values during installation. Avoid over-tightening, which can stretch threads or break the screw. Periodically check critical fasteners for tightness, especially after off-road use. Keep spare genuine Q2140620F31 screws on hand for quick replacements.
During vehicle washing, avoid high-pressure water directly at screw heads to prevent forcing moisture past the finish. If rust is detected, replace the screw promptly. Following these practices will help maintain the structural integrity of your SINOTRUK HOWO.
Fasteners may seem generic, but their performance is critical. Generic screws often use inferior steel, lack proper heat treatment, and have imprecise threads, leading to stripping or breaking. The genuine SINOTRUK HOWO Q2140620F31 screw 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 Q2140620F31 is the intelligent choice.
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