KUBOTA 70080-04381 Bolt Hhcs X1.25 X50

( Manufacturer Part Number: 70080-04381 ), ( Part Type: Bolt )

Review KUBOTA Bolt Hhcs X50mm fits M10 X1 G8

The **Kubota 70080-04381 Bolt (HHCS M10 x1.25 x50 G8)** is a precision-engineered heavy-duty bolt designed for critical applications in Kubota agricultural, industrial, and construction machinery, where reliability and structural integrity are paramount. This bolt features a **hex head cap screw (HHCS) configuration**, characterized by its robust M10 metric thread size, which provides a substantial load-bearing capacity suitable for high-stress environments. The **1.25 pitch** ensures a secure, tight fit with minimal play, reducing the risk of loosening under vibration or dynamic loads, a common concern in machinery subjected to frequent movement or heavy operational forces. With an **overall length of 50 millimeters**, this bolt strikes a balance between sufficient engagement depth and practical assembly constraints, making it ideal for mounting components such as hydraulic fittings, engine mounts, or structural brackets where space is optimized yet strength is non-negotiable.

The **G8 grade** designation signifies that this bolt adheres to strict material specifications, typically forged from high-strength carbon steel that has undergone heat treatment to achieve a minimum tensile strength of **800 megapascals (MPa)**, ensuring it can withstand significant tensile, shear, and torsional forces without deformation or failure. The **hex head** is machined to a smooth, precise finish, allowing for easy installation and removal with standard wrenches or sockets, while its flat, flat-top design prevents cam-out during tightening. The bolt s **threading follows ISO metric standards**, ensuring compatibility with a wide range of Kubota and third-party components that rely on this specification for secure fastening. Additionally, the **bolt s design incorporates a slight chamfer on the thread start**, facilitating easier threading into pre-tapped holes and reducing the risk of stripping during assembly a critical feature in applications where misalignment or improper installation could lead to catastrophic failure.

Beyond its mechanical properties, this bolt is engineered for durability in demanding environments, including exposure to moisture, temperature fluctuations, and the corrosive residues often found in agricultural or industrial settings. While not explicitly coated, the raw steel construction is suitable for applications where standard protection is sufficient, though users in harsh conditions may opt for additional treatments like zinc plating or corrosion-resistant coatings for extended service life. The **Kubota part number (70080-04381)** ensures traceability and authenticity, guaranteeing that this bolt meets the manufacturer s quality standards and is compatible with Kubota s proprietary systems, where off-brand alternatives could compromise performance or safety. Whether securing a hydraulic cylinder, reinforcing a frame assembly, or fastening a critical linkage in a tractor or loader, this bolt exemplifies Kubota s commitment to precision engineering, delivering a balance of strength, reliability, and ease of use for professionals who demand nothing less than dependable performance in their machinery.

The **Kubota Bolt HHCS bolt (part number 70080-04381, M10 x 1.25 x 50, Grade 8)** is a high-quality hex head bolt commonly used in agricultural, industrial, and construction applications. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a Kubota Bolt (70080-04381)**

1. **High Quality and Durability**

Kubota is a well-known manufacturer of heavy-duty machinery and components, and their bolts are designed to withstand significant stress, vibration, and environmental conditions. This bolt is likely made from high-strength steel, ensuring longevity and resistance to wear, corrosion, and fatigue.

2. **Grade 8 Specification**

The bolt is **Grade 8**, which means it has a minimum tensile strength of **150,000 psi (1,034 MPa)** and a yield strength of **130,000 psi (900 MPa)**. This makes it suitable for heavy-duty applications where high load-bearing capacity is required, such as in tractors, implements, or industrial equipment.

3. **Hex Head Design with HHCS (High Head Clearance Specification)**

The **HHCS** designation indicates that the bolt has a modified head design to prevent interference with adjacent components, reducing the risk of damage during installation or operation. This is particularly useful in tight spaces where standard bolts might bind or strip.

4. **Standardized Threading (M10 x 1.25)**

The **M10 x 1.25** metric threading is widely compatible with European and global machinery standards, making it easy to source replacements or interchange with other brands if needed. This bolt will fit standard metric sockets and wrenches.

5. **Corrosion Resistance (Assuming Proper Material Treatment)**

While the exact coating isn t specified, Kubota bolts are often treated with **zinc plating, black oxide, or other protective coatings** to resist rust and corrosion. This is especially important in outdoor or humid environments.

6. **Widely Available and Easy to Replace**

As a common Kubota part, this bolt is likely stocked by authorized dealers, online retailers (e.g., RockAuto, Amazon, or Kubota s official site), and specialty hardware stores. This reduces downtime in case of failure.

7. **Cost-Effective for Heavy-Duty Use**

While not the cheapest bolt on the market, its **durability and reliability** often make it a cost-effective choice in the long run, especially when compared to cheaper alternatives that may fail prematurely.

8. **Compatibility with Kubota Equipment**

Since this is an **OEM (Original Equipment Manufacturer) part**, it is designed specifically for Kubota tractors and implements, ensuring a perfect fit and optimal performance without modifications.

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### **Cons of buying a Kubota Bolt (70080-04381)**

1. **Potential for Counterfeit or Low-Quality Replacements**

Due to Kubota s reputation, **counterfeit or knockoff bolts** may be sold as genuine parts, especially on third-party marketplaces. These fakes may lack proper heat treatment, threading, or corrosion resistance, leading to premature failure. Always purchase from **authorized dealers or trusted suppliers** to avoid this risk.

2. **Higher Cost Compared to Generic Bolts**

While not excessively expensive, this bolt is **more costly than generic M10 Grade 8 bolts** from brands like Acme, Bolts.com, or local hardware stores. For non-critical applications, a generic bolt may suffice at a lower price.

3. **Limited Availability Outside Kubota s Network**

If you re not working on Kubota equipment, finding this exact part may require ordering from a **specialty agricultural parts supplier**, which could involve longer lead times compared to standard hardware stores.

4. **Overkill for Light-Duty Applications**

If the bolt is being used in a **non-heavy-duty scenario** (e.g., general construction, DIY projects), a **Grade 5 or Grade 8 generic bolt** may be sufficient, reducing unnecessary expense.

5. **Potential for Over-Tightening Damage**

Grade 8 bolts require **precise torque specifications** to avoid stripping or damaging the threads. Improper tightening (either too loose or too tight) can lead to failure. Always follow the manufacturer s torque recommendations.

6. **Environmental Sensitivity**

While Grade 8 bolts are strong, they may **corrode over time in harsh environments** (e.g., saltwater, extreme chemicals) unless properly coated. If exposure to corrosive conditions is expected, consider a **stainless steel or galvanized alternative**.

7. **Sourcing Challenges for Non-Kubota Users**

If you re not a Kubota owner, you may struggle to verify the **authenticity of the part** without purchasing from an official source, increasing the risk of receiving a substandard bolt.

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### **Conclusion**

The **Kubota Bolt (70080-04381, M10 x 1.25 x 50, Grade 8)** is a **high-quality, reliable choice** for heavy-duty applications, particularly on Kubota equipment. Its **Grade 8 strength, HHCS head design, and durability** make it ideal for agricultural, industrial, and construction use where reliability is critical. However, it is **not necessary for light-duty applications**, and **counterfeit risks** must be mitigated by purchasing from trusted sources.

For **Kubota owners or those working in demanding environments**, this bolt is a **strong recommendation** due to its **performance and compatibility**. For **non-critical or non-Kubota applications**, a **generic Grade 8 bolt** may be a more economical alternative, provided it meets the required specifications.

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### **Final Recommendation**

- You are working on **Kubota equipment** and need an **OEM replacement**.

- The application requires **high strength and durability** (e.g., tractor frames, heavy implements).

- You want **long-term reliability** and are willing to pay a premium for a **trusted brand**.

- You purchase from an **authorized Kubota dealer or verified online retailer** to avoid counterfeits.

- You are **not using Kubota equipment** and need a **cost-effective alternative**.

- The application is **not extremely demanding** (e.g., general machinery, non-agricultural use).

- You can **verify the bolt s quality** (e.g., proper heat treatment, threading, and torque specifications).

- You are in a **corrosive environment** without proper coating (consider stainless steel or galvanized alternatives).

- You suspect **counterfeit products** from untrusted sellers.

- The budget is **extremely tight**, and a lower-grade bolt meets the application s needs.

For most **Kubota users in heavy-duty settings**, this bolt is the **best choice** due to its **proven performance and compatibility**. For others, a **careful cost-benefit analysis** is advised.

Details:

Kubota 70080-04381 Bolt Hhcs M10 X1.25 X50mm G8: Part Number: Manufacturer. Engineered using the latest technology to ensure product lasts longer in service. Designed specifically for trucks, trailers, and buses. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle.

Manufactured following strict OE standards to work like the original component. Made of high-quality components for durability, reliability, and performance.

part #: 7008004381 prices

• $14.99-$24.99

specifications accperformanc:

• for models: M10, X1, G8
• for makes: Kubota
• mpn: 70080-04381
• part type: Bolt

offer accperformanc:

• best offers: True
• options: Ship-to-home
• sold: 0
• quantity: 5
• availability: In Stock
• started: February 1, 2026

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• time: 30 Days
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general accperformanc:

• Parts Accessories > Permance Racing Parts > Accessories
• condition: New

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seller accperformanc:

• # reviews: 64079
• city: Los Angeles, California
• rating: 99.1%

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