A plasma cutter circle cutter helps cut perfect circles with a plasma torch. It attaches to the torch and guides smooth, round cuts on metal surfaces.
Plasma cutting circle cutters come in many types and sizes. They fit various plasma torches like PT-31, LG40, and SG-55. These tools use roller guide wheels or compasses to keep the torch steady while cutting circles. Some models include adjustable arms and rulers for precise measurements.
They work well on stainless steel and other metals. Using a circle cutter saves time and improves accuracy compared to freehand cutting. It suits hobbyists and professionals who need clean, round cuts for projects. Choosing the right circle cutter depends on your plasma torch model and the size of the circles you want to cut.
Riverweld L-tec Pt-31 Plasma Cutter Torch Attachments Circle Roller Guide Wheel Compass

The RIVERWELD L-TEC PT-31 JG-40 WSD-LG40 Plasma Cutter cutting Torch Attachments Circle Roller Guide Wheel Compass is ideal for professional metalworkers, DIY enthusiasts, and those involved in industrial fabrication. If you are seeking a tool that enhances precision in plasma cutting tasks, this product is designed for you. Whether you’re working on intricate designs or large-scale projects, this guide wheel compass offers reliable support and accuracy.
Pros:
- Enhanced precision in plasma cutting tasks
- Durable construction for long-lasting use
- Compatible with multiple torch models
- Lightweight design for ease of handling
Cons:
- Requires familiarity with assembly and setup
- Limited compatibility with non-standard torch models
The RIVERWELD L-TEC PT-31 JG-40 WSD-LG40 comes with features that significantly improve plasma cutting precision. Its Circle Roller Guide Wheel allows users to create perfect circles and arcs effortlessly, reducing the risk of error and material wastage. Durable construction ensures that the product withstands the rigors of frequent use, making it a reliable addition to any workshop. Moreover, its lightweight design ensures that users can handle it easily, minimizing fatigue during extended cutting sessions.
This plasma cutter attachment is compatible with multiple torch models, providing flexibility for professionals who work with various setups. Its silver finish not only adds to its aesthetic appeal but also offers some protection against wear and tear. While assembly might require some familiarity, once set up, it serves as an invaluable tool for achieving clean and precise cuts. Whether you’re crafting small-scale projects or tackling larger ones, this guide wheel compass is engineered to support your cutting needs efficiently.
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Riverweld Sg-55 Ag-60 Plasma Cutter Roller Guide Wheel Spacer Circle Compass Stand Off

The RIVERWELD SG-55 AG-60 Plasma Cutter Roller Guide Wheel Spacer Circle Compass Stand Off is ideal for professional welders and metalworking enthusiasts who demand precision and durability in their plasma cutting tools. If you frequently use plasma cutters for intricate or repetitive circle cuts, this accessory enhances your workflow by providing stability and accuracy. It is especially suited for those using the Pilot Arc Starting feature, ensuring smooth operation and consistent results.
Pros:
- Made by the trusted RIVERWELD brand, ensuring quality and reliability
- Compact and lightweight design (0.264 pounds) for easy handling and portability
- Gold color finish offers resistance to wear and corrosion
- Precisely engineered dimensions (Height: 0.63 inches, Width: 2.36 inches, Length: 3.15 inches) for optimal compatibility with SG-55 and AG-60 plasma cutters
- Enhances cutting precision by stabilizing the plasma torch during circular cuts
Cons:
- Limited compatibility primarily with SG-55 and AG-60 models
- May require some adjustment or setup time for first-time users
- Does not include the plasma cutter itself; sold as an accessory
This Plasma Cutter Roller Guide Wheel Spacer Circle Compass Stand Off offers a robust solution for anyone looking to improve the accuracy of their plasma cutting tasks. Its precise dimensions and lightweight design make it easy to attach and maneuver, reducing operator fatigue during extended use. The spacer effectively supports the plasma cutter’s roller guide wheel, which helps maintain a consistent distance from the workpiece, resulting in cleaner cuts and less material waste.
Additionally, the accessory’s compatibility with the Pilot Arc Starting feature means it can handle cutting on rusty or painted surfaces without the need for direct contact, increasing versatility and efficiency. This makes it a valuable tool for both workshop professionals and hobbyists who require precise, reliable performance in their metal fabrication projects.
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Circle Guide Lg40 Circinus Roller Guide Jg-40wsd-40 Compasses Wheel Roller Guide For Pt-31 Plasma Torch

The PT-31 Circle Guide LG40Circinus Roller Guide JG-40WSD-40 is ideal for professionals and hobbyists who frequently work with plasma cutting tools such as the PT-31 PlasmaTorch and CUT40 CUT50D LGK40 Plasma Cutter Torch PK1. This accessory is perfect for those who require precise circular cuts and enhanced control during their plasma cutting projects, making it a valuable addition for metalworkers, fabricators, and DIY enthusiasts aiming for accuracy and efficiency.
Pros:
- Compact and lightweight design with dimensions of 2.0 x 2.0 x 0.7 inches and weighing only 0.15 pounds for easy handling.
- Compatible with multiple plasma torch models, including PT-31, CUT40, CUT50D, and LGK40, enhancing its versatility.
- Durably manufactured by BDR with model number Z-PT31CR(20)-4Z ensuring reliable performance.
- Enables smooth and precise circular cutting thanks to the integrated roller guide system.
Cons:
- Limited to circular guide applications, so may not be suitable for users needing straight or irregular cut guides.
- Small size might be challenging to handle for users with larger hands or those wearing thick gloves.
The PT-31 Circle Guide LG40Circinus Roller Guide stands out due to its compact size and compatibility with a wide range of plasma cutters. The roller guide mechanism ensures that users can make clean, consistent circular cuts, which is crucial for tasks requiring high precision. Its lightweight build reduces fatigue during extended use and improves maneuverability in tight workspaces.
Constructed by the reputable brand BDR, this guide provides durability and reliability under various working conditions. Its compatibility with popular plasma torch models like the CUT40 and LGK40 makes it an adaptable tool for many professionals. Overall, this circle guide enhances the functionality of plasma cutters, providing users with greater control and improved cutting accuracy for their metalworking projects.
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Plasma Cutting Compass

The Plasma Cutting Compass by Gugxiom is ideal for professional welders, metal fabricators, and DIY enthusiasts who require precise and consistent circular cuts with their plasma cutter torch. If you frequently work on projects involving round or curved metal pieces, this tool will significantly enhance your accuracy and efficiency.
Pros:
- Stainless steel construction ensures durability and long-lasting performance.
- Includes a scale ruler gauge for precise measurement and easy adjustments.
- Compatible with AG60 plasma cutter torches, making it versatile for various setups.
- Circle guide roller wheel facilitates smooth and controlled cutting along curved edges.
Cons:
- May require initial calibration to fit different torch models precisely.
- Limited compatibility with plasma cutters outside the AG60 series.
The Plasma Cutting Compass features a robust stainless steel design that withstands the rigors of daily use in demanding environments. Its integrated scale ruler gauge allows users to set exact cutting radii, eliminating guesswork and reducing material waste. The circle guide roller wheel smoothly glides along the workpiece, ensuring clean and accurate circular cuts every time.
With this accessory, users experience enhanced control over their plasma cutting tasks, especially when working on circular metal components such as pipes, flanges, or decorative elements. The tool’s compatibility with AG60 plasma cutter torches ensures it fits securely, providing stability and improving cutting precision. Overall, this compass is an essential addition for anyone seeking to elevate the quality and accuracy of their plasma cutting projects.
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Riverweld Sg-55 Ag-60 Plasma Cutter Cutting Torch

The RIVERWELD SG-55 AG-60 Plasma Cutter Cutting Torch Circinus Roller Guide Wheel Compass is ideal for professional welders and metalworkers who require precise and efficient cutting tools. This product is perfect for those looking to enhance the accuracy of their plasma cutting tasks, especially in industrial and fabrication settings where consistent results are critical. If you often work with metal sheets and need a reliable guide for straight or curved cuts, this tool will significantly improve your workflow.
Pros:
- Made by the trusted RIVERWELD brand ensuring quality and durability
- Compact and lightweight design (1.014 pounds) for easy handling
- Copper color finish adds corrosion resistance and aesthetic appeal
- Precise dimensions (Height: 1.18 inches, Width: 0.79 inches, Length: 16.54 inches) for comfortable use and control
- Compatible with SG-55 and AG-60 plasma cutter torches, enhancing versatility
Cons:
- May require some practice to achieve optimal cutting precision for beginners
- Limited to plasma cutting applications, not suitable for other cutting methods
The Circinus Roller Guide Wheel Compass is engineered to provide superior control during plasma cutting, allowing users to execute clean and accurate cuts. Its well-thought-out dimensions make it easy to maneuver, reducing fatigue during extended use. The copper finish not only protects the tool from wear and tear but also ensures it maintains a professional look over time. The lightweight nature of this guide wheel means it can be easily integrated into existing cutting setups without adding bulk.
Another notable feature is its compatibility with popular plasma cutter models such as the SG-55 and AG-60, making it a versatile addition to any welding toolkit. This compatibility ensures that users do not need to invest in multiple guides for different machines. Overall, the tool helps increase productivity by improving cutting precision and reducing material waste, which is a significant benefit for professionals aiming for quality and efficiency in their work.
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Circinus Roller Guide

The Circinus Roller Guide is ideal for professionals and hobbyists who frequently work with cutting torches, plasma cutters, or require precise circular cuts. If you are a welder, metal fabricator, or DIY enthusiast aiming for accuracy and efficiency in cutting circular shapes, this tool is designed specifically for you.
Pros:
- Provides precise and consistent circular cutting guidance
- Compatible with cutting torches and plasma cutters, including P80 torch models
- Magnetic wheel ensures stable and smooth movement along metal surfaces
- Durable construction from HURRISE with reliable brand quality
- Compact dimensions (4.0 x 4.0 x 24.0 inches) for easy handling and storage
Cons:
- May require some practice to master smooth circular cutting
- Limited to circular cutting applications, not suitable for other shapes
- Magnetic wheel may not adhere well to non-ferrous metals
The Circinus Roller Guide features a robust design with a magnetic wheel that firmly attaches to metal surfaces, allowing users to achieve precise circular cuts without slipping. Its compatibility with various torch types, especially the P80 plasma cutter torch, makes it versatile for different cutting tasks. The tool’s dimensions provide a comfortable grip and control, enhancing accuracy and reducing fatigue during prolonged use.
Additionally, the roller guide acts as a reliable compass wheel for circular cutting, simplifying complex metal shaping jobs. Users benefit from improved cutting speed and consistency, which translates to higher quality results and less material wastage. Overall, this tool is a practical and efficient addition to any metalworking toolkit, especially for those focused on precision and repeatability in circular cuts.
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Plasma Cutter Circle

The Plasma Cutter Circle, Plasma Torch, Circle Cutting Jig for Plasma Cutter for P80 is ideal for professional welders, metal fabricators, and DIY enthusiasts who require precise and efficient circular cuts on metal surfaces. If you frequently work with plasma cutters and need a reliable tool to enhance accuracy and productivity, this accessory is designed to meet your needs.
Pros:
- Compatible with P80 plasma cutters ensuring seamless integration.
- Compact dimensions (3.94 x 3.94 x 22.44 inches) for easy handling and storage.
- Durable construction by POCREATION ensures long-lasting performance.
- Enables precise circular cuts, improving the quality of metalwork projects.
- Enhances safety by providing stable guidance during plasma cutting.
Cons:
- Specifically designed for P80 plasma cutters, limiting compatibility with other models.
- May require some initial setup and adjustment for optimal performance.
- Not suitable for cutting non-metal materials.
The Plasma Cutter Circle Cutting Jig by POCREATION is engineered with precision in mind. Its sturdy build and accurate measurements allow users to create perfect circles with ease, eliminating guesswork and reducing material waste. The tool’s compatibility with P80 plasma torches ensures it works harmoniously with your existing equipment, providing consistent results every time. This makes it a valuable addition for those seeking efficiency and precision in their metal cutting tasks.
Beyond its functionality, the jig’s compact size makes it highly portable, allowing users to transport and use it across different job sites without hassle. The design focuses on user safety by providing a stable platform that guides the plasma torch steadily, minimizing the risk of errors or accidents. Overall, this circle cutting jig is a practical investment for anyone looking to enhance their plasma cutting capabilities with professional-grade accuracy and convenience.
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S45 Circinus Roller Guide Plasma Circle Guide Compass Wheel

The S45 Circinus Roller Guide Plasma Circle Guide Compass Wheel is ideal for professionals and hobbyists who frequently use plasma cutting torches such as the S45, S25, PT-60, or IPT-60. If you require precise and consistent circular cuts in metalworking projects, this tool is designed to enhance your cutting accuracy and efficiency.
Pros:
- Compatible with multiple plasma cutting torches including S45 and PT-60 models
- Compact and lightweight design (0.15 pounds) for ease of use and portability
- Durable construction from trusted manufacturer WeldingStop
- Helps achieve precise circular cuts, improving overall project quality
- Simple to attach and adjust, saving time during setup
Cons:
- Limited to plasma cutting applications, not suitable for other cutting methods
- Small size may be challenging to handle for users with large gloves or limited dexterity
The S45 Circinus Roller Guide features a compact size of just 2.0 inches in length and width and 0.7 inches in height, making it an unobtrusive yet essential addition to your plasma cutting toolkit. Its lightweight design at 0.15 pounds ensures that it does not add unnecessary bulk or fatigue during extended cutting sessions. Manufactured by WeldingStop under the VCFDZCFD brand, this guide promises reliability and consistent performance.
With its specialized compass wheel mechanism, this roller guide enables you to maintain a steady radius for circular cuts, drastically reducing errors and material wastage. Users benefit from smooth operation and increased control, allowing even less experienced operators to produce professional-grade results. Overall, this plasma circle guide enhances productivity, precision, and confidence in metal fabrication tasks.
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Swag Off Road Plasma Circle Cutter

The SWAG Off Road Plasma Circle Cutter (Small) 1.00″ to 12.5″ is ideal for off-road enthusiasts, fabricators, and DIY mechanics who require precise and efficient cutting of circular shapes in metal. If you frequently work on custom builds, repairs, or modifications and need a reliable tool that can handle various sizes with ease, this product is designed specifically for you.
Pros:
- Versatile size range from 1.00″ to 12.5″ for diverse cutting needs
- Durable construction built to withstand tough off-road workshop environments
- Easy to use with plasma cutters, enhancing precision and efficiency
- Compatible with most plasma cutting systems, making it a flexible choice
- Compact and lightweight design facilitates portability and maneuverability
Cons:
- Limited to plasma cutting systems, not compatible with other cutting tools
- Smaller size range may not suit very large cutting projects
- Requires some experience with plasma cutting for optimal results
The SWAG Off Road Plasma Circle Cutter features a well-engineered design that offers users precision and control when cutting circular shapes. Its wide size adaptability from 1.00″ up to 12.5″ allows for flexibility across a variety of metal fabrication projects. The cutter’s compatibility with plasma systems ensures clean, smooth cuts that reduce the need for additional finishing work.
In addition to its practical size range, the cutter’s rugged build quality ensures it can handle the demanding conditions often encountered in off-road and workshop settings. This durability translates into long-term reliability, making it a valuable tool for anyone looking to improve their metalworking capabilities. Overall, this product delivers a blend of precision, ease of use, and toughness that benefits both amateur and professional users alike.
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Adjustable Cutting Torch

The Adjustable Cutting Torch is ideal for professional welders, metal fabricators, and DIY enthusiasts who require precision in their cutting tasks. If you frequently work with metal sheets or pipes and need a reliable tool for making accurate circular cuts, this Plasma Torch Circle Cutting Jig is designed to meet your needs. Its adjustable design and magnetic features make it perfect for those looking to enhance their plasma cutting efficiency with consistent, clean results.
Pros:
- Highly adjustable for different circle sizes, offering versatility in cutting tasks.
- Magnetic base ensures stable attachment to metal surfaces for precise cuts.
- Compatible with most plasma cutters, enhancing its usability across various setups.
- Durable construction from Eujgoov ensures long-term reliability and performance.
- Easy to set up and operate, reducing time and effort during cutting projects.
Cons:
- May require some practice to achieve perfect circular cuts initially.
- Primarily designed for plasma cutters, limiting use with other cutting tools.
The Adjustable Cutting Torch features a robust wheel cutting mechanism combined with a magnetic circle cutting roller, allowing users to create precise circular cuts with ease. Its adjustable arms accommodate various diameters, making it highly adaptable for different project requirements. The magnetic base firmly holds the jig in place on metal surfaces, reducing the risk of slipping and ensuring consistent accuracy throughout the cutting process.
Crafted by Eujgoov, this cutting torch jig not only enhances cutting precision but also improves overall efficiency by minimizing waste material and reducing the need for rework. Its compatibility with a wide range of plasma cutters makes it a valuable addition to any metalworking toolkit, providing professional results whether you are working in a shop or on-site.
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Frequently Asked Questions
What Is A Plasma Cutter Circle Cutter Used For?
A Plasma Cutter Circle Cutter helps create precise circular cuts on metal surfaces. It improves accuracy and consistency when using plasma cutting torches. This tool is essential for tasks requiring round shapes like flanges or pipes. It simplifies cutting by guiding the torch along a fixed radius.
How Does The Riverweld Pt-31 Circle Guide Work?
The RIVERWELD PT-31 Circle Guide attaches to plasma torch models like LG40 and CUT40. It uses a roller wheel to smoothly guide the torch in a circular path. This ensures clean, precise cuts and reduces operator fatigue during repetitive tasks.
It’s compatible with various plasma cutter torches.
Can I Adjust The Cutting Radius On These Plasma Circle Cutters?
Yes, most plasma cutter circle cutters like SWAG Off Road and RIVERWELD models have adjustable radius settings. You can set the radius from 1 inch up to 12. 5 inches or more. This flexibility allows cutting circles of different sizes without changing tools.
Are These Plasma Circle Cutters Compatible With All Torch Brands?
These circle cutters are designed to fit popular plasma torch models such as SG-55, AG-60, and PT-31. However, compatibility depends on the torch’s design and size. Always check the product specifications to ensure a perfect fit before purchasing.
What Materials Can Plasma Circle Cutters Cut Effectively?
Plasma circle cutters work best on metals like steel, stainless steel, aluminum, and copper. They provide smooth circular cuts on sheet metal, pipes, and plates. The precision reduces scrap and saves time during metal fabrication and repair projects.
How Do Circle Guide Rollers Improve Plasma Cutting Accuracy?
Circle guide rollers stabilize the torch movement along a circular path. They prevent jerky or uneven cuts by maintaining consistent torch distance from the material. This results in cleaner edges, reduced rework, and professional-quality circular cuts every time.
Conclusion
Using a plasma cutter circle cutter can make cutting round shapes easier and more precise. The right guide wheel or compass helps keep your cuts smooth and accurate. Tools like the RIVERWELD PT-31, SG-55, and others offer different sizes and options to fit many plasma torches.
These accessories, such as roller guide wheels and circle jigs, improve control during cutting projects. They also save time by reducing mistakes and uneven edges. Whether you work with stainless steel or other metals, having the correct circle cutting tool is important.
It helps create clean circles without extra effort. Choosing the proper plasma cutter circle guide can boost your cutting quality and confidence. Simple tools with adjustable settings fit many torch models and cutting needs. Overall, these accessories make metal circle cutting easier for both beginners and experienced users.
They provide steady support, better control, and consistent results every time.
About The Author
Jeff Grill
administrator
Hi, I’m Jeff Grill — a certified welding expert and instructor based in Long Island, NY.
With over three decades in the industry, I’m passionate about combining theoretical knowledge with hands-on experience to train the next generation of skilled welders.
I specialize in all forms of arc welding, including GMAW, GTAW, GMAW, FCAW & SAW. But my experience isn’t limited to just those—I’m also knowledgeable in oxyfuel gas welding and plasma arc cutting.
My years as a welding inspector and supervisor have honed my ability to ensure the highest standards in welding quality and safety, making me adept at executing and overseeing complex welding operations.