SMC RHCL20-300 Pneumatic Cylinder Rod Thread 20MM 300MM

( Brand: Smc ), ( Manufacturer Part Number: RHCL20-300 ), ( Model: 20MM 300MM ), ( Country Of Origin: Japan ), ( Type: Pneumatic Cylinder )

Review SMC Pneumatic Cylinder Bore 300mm Stroke Broken Rod Thread

The **SMC RHCL20-300 pneumatic cylinder** is a high-performance, single-acting rod-type actuator designed for precision control and reliable operation in industrial automation, packaging, material handling, and assembly applications. Engineered with SMC s signature precision and durability, this cylinder features a **20mm bore diameter**, delivering a robust stroke of **300mm** to accommodate demanding motion requirements in compact spaces. The **M20 x 1.5 thread** on the rod ensures secure attachment to linkages, grippers, or other mechanical components, while the **standard 1/4" NPT (G1/4") connection** on the cylinder body allows for seamless integration with SMC s extensive range of valves, regulators, and fittings. Constructed from high-quality **aluminum alloy**, the cylinder body is lightweight yet rigid, minimizing inertia and maximizing responsiveness, making it ideal for high-speed applications. The **sealed piston rod** is treated with a durable chrome plating to resist corrosion, wear, and contamination, ensuring long-term reliability even in harsh environments. This cylinder operates on compressed air, providing clean, efficient linear motion with minimal maintenance, as its **sealed internal components** eliminate the need for lubrication. The **standard mounting base** allows for versatile installation, whether in a wall, panel, or floor-mounted configuration, while the **buffer system** on the rod side helps dampen impact forces, reducing noise and wear on connected machinery. With a **working pressure range of up to 10 bar (145 psi)**, this cylinder balances power and efficiency, making it suitable for light to medium-duty applications where precision and consistency are critical. Whether used in automated assembly lines, conveyor systems, or testing equipment, the **SMC RHCL20-300** delivers consistent performance, quiet operation, and long service life, reinforcing SMC s reputation for innovation in pneumatic automation.

### **Pros and Cons of buying a SMC RHCL20-300 Pneumatic Cylinder (20mm Bore, 300mm Rod, Threaded End)**

1. **Reliability and Quality** SMC is a well-established brand in industrial automation, known for durable and precision-engineered pneumatic components. Their cylinders are designed for long-term use in demanding environments.

2. **Standardized Design** The RHCL series is a common industrial cylinder, meaning spare parts, accessories, and replacements are widely available. This reduces downtime and maintenance costs.

3. **Compact and Efficient** The 20mm bore size makes it suitable for applications requiring moderate force (up to 200 kgf at 6 bar) while maintaining a compact footprint. The 300mm stroke provides sufficient travel for many automation tasks.

4. **Threaded End Mounting** The threaded end (M20 x 1.5) allows for flexible installation options, including direct mounting on machinery or via adapters. This versatility simplifies integration into existing systems.

5. **Low Maintenance** Pneumatic cylinders like this one typically require minimal upkeep compared to hydraulic systems. Seals and bearings are designed for longevity, reducing frequent servicing needs.

6. **Compatibility with SMC s Ecosystem** If you already use SMC valves, regulators, or controllers, this cylinder will integrate seamlessly, improving system efficiency and reducing compatibility issues.

7. **Cost-Effective for Standard Applications** For basic linear motion tasks (e.g., clamping, indexing, or light material handling), this cylinder offers a good balance of performance and price, avoiding the need for more expensive specialized models.

8. **Quiet Operation** Compared to some hydraulic systems, pneumatic cylinders like this one operate more quietly, which can be beneficial in cleanroom or noise-sensitive environments.

9. **Easy to Replace** If the cylinder fails, its modular design allows for straightforward replacement without major system overhauls.

10. **Global Support and Warranty** SMC has a strong global distribution network, ensuring access to technical support, documentation, and warranty services.

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1. **Limited Force Output** With a 20mm bore, the maximum force ( 200 kgf at 6 bar) may be insufficient for heavy-duty applications (e.g., pressing, forging, or high-load material handling). Larger cylinders (e.g., 32mm or 40mm bore) would be needed for such tasks.

2. **Speed Limitations** The stroke speed depends on air supply pressure and flow rate. Without a high-flow regulator or accumulator, the cylinder may operate slower than desired in high-speed automation applications.

3. **Dependence on Compressed Air Quality** Poor air filtration (e.g., moisture, oil, or debris) can accelerate wear on seals and internal components, reducing lifespan. A proper air preparation system (filter, regulator, lubricator) is essential.

4. **No Built-In Position Feedback** This cylinder lacks integrated sensors (e.g., limit switches or encoders). For precise positioning, external sensors or a separate feedback system (e.g., linear encoder) would be required, adding complexity and cost.

5. **Threaded End May Require Additional Hardware** While threaded mounting is flexible, it may necessitate custom adapters or mounting plates, depending on the application. Some users prefer flanged or clevis mounts for stability.

6. **Potential for Leakage Over Time** Like all pneumatic cylinders, seals degrade with use, leading to air leaks. Regular inspections and seal replacements may be needed to maintain efficiency.

7. **Not Suitable for Extreme Environments** The RHCL series is designed for standard industrial conditions (temperature: -10 C to 60 C). For high-temperature, corrosive, or vacuum applications, specialized cylinders (e.g., stainless steel or sealed models) would be required.

8. **Limited Customization** This is a standard model with fixed dimensions (20mm bore, 300mm stroke). Custom lengths or specialized end fittings would require ordering a different part number or modifying the cylinder.

9. **Noise and Vibration** While generally quieter than hydraulic systems, pneumatic cylinders can produce audible clicks or vibrations during operation, which may be noticeable in sensitive applications.

10. **Energy Consumption** Pneumatic systems rely on compressed air, which requires energy to generate and maintain. For energy-sensitive applications, the efficiency of the overall pneumatic system (e.g., leak-free lines, proper sizing) becomes critical.

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The **SMC RHCL20-300 pneumatic cylinder** is a **well-suited choice for moderate-force, standard industrial applications** where reliability, compactness, and ease of integration are priorities. It excels in **automation tasks such as clamping, indexing, light material handling, or assembly line operations** where precise but not extreme force is required.

However, it is **not ideal for heavy-duty, high-speed, or precision-critical applications** without additional sensors or modifications. Users should ensure their **compressed air system is properly maintained** to maximize the cylinder s lifespan and performance.

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- You need a **reliable, off-the-shelf pneumatic actuator** for standard tasks.

- Your application requires **moderate force (up to 200 kgf) and a 300mm stroke**.

- You are already using **SMC components**, ensuring compatibility.

- Budget and simplicity are priorities, and you can supplement with external sensors if needed.

- You require **higher force** (opt for a larger bore, e.g., SMC RHCL32 or RHCL40).

- **Precision positioning** is critical (add a linear encoder or proximity sensors).

- Your environment involves **extreme temperatures, corrosive materials, or vacuum conditions** (choose a specialized cylinder).

- **High-speed operation** is needed (ensure proper air supply and flow control).

- You prefer **flanged or clevis mounting** for stability (check SMC s RHCL-F or RHCL-C variants).

- Pair this cylinder with a **proper air preparation system** (filter, regulator, lubricator) to extend its life.

- If noise is a concern, consider **silenced valves** or dampening systems.

- For long-term use, **regular maintenance** (seal checks, lubrication) will prevent premature failure.

**Final Verdict:** For most **standard industrial automation needs**, the SMC RHCL20-300 is a **solid, cost-effective choice**. However, assess your specific requirements carefully to determine if it meets your application s demands or if a different model would be more appropriate.

Details:

3-N5A-113011-SS-GX. Shipping Services. This item is being sold as is, pictured. SMC RHCL20-300 Pneumatic Cylinder 20MM Bore 300mm Stroke BROKEN ROD THREAD.

part #: rhcl20300 prices

• $26.99-$148.00

specifications hydraulicylind:

• brand: Smc
• mpn: Rhcl20-300
• model: 20mm 300mm
• country of origin: Japan
• type: Pneumatic Cylinder

returns hydraulicylind:

• policy: No Returns

seller hydraulicylind:

• # reviews: 26990
• city: Baroda, Michigan
• rating: 100.0%

offer hydraulicylind:

• started: March 3, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0
• best offers: True
• availability: In Stock

shipping hydraulicylind:

• transit: 2-6 Days
• cost: $0.00
• type: Calculated
• carrier: USPS, UPS
• class: Standard, Expedited, One-day
• service: USPS Ground Advantage, USPS Priority Mail, UPS Ground, UPS Next Day Air

general hydraulicylind:

• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Pneumatic Cylinders
• condition: For parts or not working

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