KUBOTA 70080-04384 Bolt Hhcs X1.25 X30

( Manufacturer Part Number: 70080-04384 ), ( Part Type: Bolt )

Review KUBOTA Bolt Hhcs X30mm fits M8 X1 G8

The **Kubota Bolt HHCS M8 x1.25 x30 G8** (part number **700080-04384**) is a precision-engineered hydraulic bolt designed for heavy-duty applications where reliability, durability, and high-performance performance are critical. This bolt is part of Kubota s Hydraulic Hydraulic Control System (HHCS) lineup, a series of components specifically engineered to meet the demanding requirements of agricultural, industrial, and construction machinery. Crafted from high-grade **8.8-grade steel**, this bolt is heat-treated to ensure exceptional strength, corrosion resistance, and resistance to fatigue, making it ideal for environments exposed to moisture, chemicals, or fluctuating temperatures. The **M8 thread size** provides a robust connection with a 1.25 mm pitch, ensuring a secure and leak-proof fit in hydraulic systems where even minor leaks can lead to operational failures. With a **30 mm bolt length**, it strikes a balance between structural integrity and space efficiency, allowing for compact yet sturdy assemblies in hydraulic cylinders, pumps, or control valves.

One of the standout features of this bolt is its **G8 grade**, which signifies a high level of tensile strength and load-bearing capacity, often exceeding 800 MPa. This classification ensures that the bolt can withstand significant axial and shear forces without deformation or failure, making it suitable for applications such as hydraulic lifts, agricultural implements, or heavy-duty machinery where sudden loads or vibrations are common. The bolt s design incorporates a **hex head** with smooth, precision-machined surfaces, reducing the risk of galling or seizing during installation or removal. Additionally, the **high-quality zinc plating or other protective coatings** (depending on the specific variant) further enhances its resistance to rust and wear, extending the component s operational lifespan in harsh conditions.

For engineers and technicians working on Kubota machinery or compatible hydraulic systems, this bolt is a critical replacement part that ensures the integrity of hydraulic circuits. Its compatibility with Kubota s HHCS system means it integrates seamlessly with other components like hoses, fittings, and valves, maintaining consistent performance across the entire hydraulic assembly. Whether used in a tractor s hydraulic system, a construction vehicle s lifting mechanism, or an industrial press, the **Kubota Bolt HHCS M8 x1.25 x30 G8** delivers the precision and robustness required to keep operations running smoothly. Its availability as an OEM part guarantees that it meets Kubota s stringent quality standards, providing peace of mind for those who demand nothing less than optimal performance from their hydraulic components.

The **Kubota Bolt HHCS M8 x1.25 x30 (part number 700080-04384)** is a hydraulic bolt designed for heavy-duty applications, such as lifting, clamping, or tensioning in industrial, construction, or agricultural settings. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Kubota Bolt HHCS M8 x1.25 x30 (700080-04384)**

1. **High Strength and Durability**

The bolt is made from **high-strength carbon steel (HHCS)**, which provides superior tensile strength and resistance to wear, corrosion, and fatigue. This makes it suitable for demanding applications where standard bolts would fail.

2. **Precision Engineering**

Kubota is known for manufacturing precision hydraulic components, ensuring tight tolerances and consistent performance. The bolt is likely designed to fit seamlessly into hydraulic systems without excessive play or leakage.

3. **Compatibility with Kubota Hydraulic Systems**

As a Kubota part, it is engineered to work reliably with other Kubota hydraulic equipment, reducing the risk of mismatches or compatibility issues. This is particularly useful in agricultural, construction, or industrial settings where Kubota machinery is commonly used.

4. **Corrosion Resistance (Relative to Standard Bolts)**

While not as corrosion-resistant as stainless steel, the HHCS material is treated to withstand moderate exposure to moisture and chemicals better than standard carbon steel bolts. Proper lubrication and maintenance can extend its lifespan.

5. **Widely Available Replacement Part**

Kubota is a well-established brand with a broad distribution network, making it easier to source replacements or accessories if needed. This reduces downtime in maintenance scenarios.

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

Compared to specialized high-end bolts (e.g., stainless steel or exotic alloys), the HHCS bolt offers a balance between performance and cost, making it a practical choice for budget-conscious operators who still need robust performance.

7. **Standardized Threading**

The **M8 x1.25** threading is a common metric size, meaning it can often be used interchangeably with other M8 bolts in non-critical applications, though always verify load requirements.

8. **Long Lifespan with Proper Maintenance**

When used within its specified load limits and maintained regularly (e.g., lubrication, inspection for wear), this bolt can last for thousands of cycles, reducing the need for frequent replacements.

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### **Cons of the Kubota Bolt HHCS M8 x1.25 x30 (700080-04384)**

1. **Limited Corrosion Protection**

While better than standard bolts, HHCS is not stainless steel. In harsh environments (e.g., coastal areas, chemical exposure, or constant wet conditions), the bolt may rust over time, requiring more frequent inspections and replacements. A **stainless steel or coated alternative** (e.g., zinc-plated) might be preferable in such cases.

2. **Not Suitable for Extremely High Temperatures**

HHCS bolts have a temperature limit (typically up to **200 250 C / 392 482 F**), depending on the exact alloy. For applications involving extreme heat (e.g., near engines or in high-temperature industrial processes), a **high-temperature alloy bolt** would be necessary.

3. **Potential for Thread Stripping Under Overload**

While designed for heavy-duty use, exceeding the bolt s **rated load capacity** (check Kubota s specifications) can cause thread stripping or bolt failure. This risk is higher if the bolt is used in a misaligned or poorly designed hydraulic system.

4. **Dependence on Proper Installation**

Improper installation (e.g., overtightening, cross-threading, or lack of proper lubrication) can compromise the bolt s performance and lifespan. This requires careful handling during assembly.

5. **Limited Availability Outside Kubota Ecosystem**

While Kubota parts are widely available for Kubota machinery, finding this specific bolt for non-Kubota systems may be difficult. Always confirm compatibility with your hydraulic setup before purchasing.

6. **Potential for Wear in High-Friction Applications**

In applications with **high friction or abrasive materials**, the bolt may wear faster than expected. A **hardened or coated bolt** might be more suitable in such cases.

7. **Cost Relative to Stainless Steel Alternatives**

While still affordable, HHCS bolts are more expensive than standard carbon steel bolts. If corrosion resistance is a priority, **stainless steel (e.g., A2-70 or A4-80)** bolts may be justified despite the higher upfront cost.

8. **Requires Proper Hydraulic System Maintenance**

The bolt s performance depends on the overall health of the hydraulic system. Contaminated hydraulic fluid, leaks, or improper pressure can accelerate wear on the bolt and other components.

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### **Conclusion**

The **Kubota HHCS M8 x1.25 x30 bolt (700080-04384)** is a **reliable, high-strength bolt** well-suited for general heavy-duty hydraulic applications where standard bolts would fail. Its **durability, compatibility with Kubota systems, and cost-effectiveness** make it a strong choice for agricultural, construction, or industrial use **provided the operating conditions do not expose it to extreme corrosion, high temperatures, or excessive overload**.

However, if the application involves **severe corrosion, high temperatures, or abrasive conditions**, alternative materials (e.g., **stainless steel, hardened steel, or coated bolts**) may be more appropriate despite the higher cost. Always **verify the bolt s load capacity, environmental conditions, and system compatibility** before purchasing.

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### **Recommendation**

- You are using it in a **Kubota hydraulic system** or a similar setup where compatibility is critical.

- The application involves **moderate loads and controlled environments** (not extreme heat, corrosion, or abrasion).

- You prioritize **cost efficiency and durability** over maximum corrosion resistance.

- You can **maintain the bolt properly** (lubrication, inspections, and avoiding overload).

- The environment is **highly corrosive** (e.g., coastal, chemical exposure) **Stainless steel bolt (e.g., A2-70).**

- The application involves **extreme temperatures** (above 250 C) **High-temperature alloy bolt.**

- The system experiences **severe abrasion or high friction** **Hardened or coated bolt.**

- You need **long-term corrosion resistance** and can justify the higher cost **Stainless steel or zinc-plated bolt.**

- Always check the **load rating** and ensure it matches your application s requirements.

- Store the bolt in a **dry, clean environment** to prevent premature corrosion.

- If in doubt, consult **Kubota s technical support** or a hydraulic specialist to confirm compatibility.

For most **standard heavy-duty hydraulic applications**, this bolt is a **solid, cost-effective choice**. However, **customize your selection based on the specific demands of your system**.

Details:

Kubota 70080-04384 Bolt Hhcs M8 X1.25 X30mm G8.: Part Number: Manufacturer. Engineered using the latest technology to ensure product lasts longer in service. Designed specifically for trucks, trailers, and buses. Manufactured following strict OE standards to work like the original component.

Made of high-quality components for durability, reliability, and performance. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle.

part #: 7008004384 prices

• $14.99-$24.99

specifications accperformanc:

• for models: M8, X1, G8
• for makes: Kubota
• mpn: 70080-04384
• part type: Bolt

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

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

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• transit: 3-6 Days
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• type: Fixed
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seller accperformanc:

• city: Los Angeles, California
• # reviews: 64078
• rating: 99.1%

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