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Flexible Diamond Sanding Belts

The Roloc Flexible Diamond Disc is an abrasive tool designed for various applications, particularly in metalworking, surface preparation, and construction. This disc features a flexible design that allows it to conform to the contours of workpieces, making it suitable for curved or irregular surfaces. It is equipped with diamond abrasive particles, known for their efficiency and durability in cutting, grinding, and polishing tasks. The "Roloc" attachment system enables quick and easy disc changes when used with compatible Roloc quick-change holders. This disc is available in different diameters to suit various equipment and applications, offering versatility and consistent performance. It can be used both wet and dry, depending on the specific task and material being worked on. Overall, the Roloc Flexible Diamond Disc is valued for its flexibility, durability, and effectiveness in a wide range of industries and applications.

Roloc Flexible Diamond Disc provide a burr-free surface suitable for painting or coating. These discs can be used for removal of light rust, oxides and coatings.Heavy duty discs for weld removal, grinding and blending large and small areas of metal surfaces. Available in regular and quick release forms.For hard to grind material, stone, glass, ceramic, metal, carbide, composites. Metal plated bond securely anchors micron graded diamonds to backing. For flat, edge, contour grinding and polishing. Heavy duty, water resistant, polyester backing. 

  1. Roloc Attachment System: The term "Roloc" denotes the attachment mechanism used for these discs. It is a quick-change system that allows for the swift and secure attachment and removal of the diamond disc from compatible power tools, such as angle grinders.

  2. Flexible Design: Roloc Flexible Diamond Discs are constructed with flexibility in mind. This flexibility enables the disc to adapt to the shape and contours of the workpiece, making it effective for both flat and curved surfaces.

  3. Diamond Abrasives: These discs are embedded with industrial-grade synthetic diamond abrasives. Diamonds are renowned for their exceptional hardness and durability, making them well-suited for tasks that involve grinding and polishing hard materials.

  4. Grit Sizes: Roloc Flexible Diamond Discs come in various grit sizes, ranging from coarse to fine. The choice of grit size depends on the specific application and the level of material removal or finishing required.

  5. Applications: Roloc Flexible Diamond Discs are commonly used for a range of tasks, including:

    • Grinding and shaping metal, including stainless steel and hardened steel.

    • Deburring and removing sharp edges from metal parts.

    • Polishing and finishing metal surfaces.

    • Surface preparation and rust removal.

    • Smoothing and shaping plastics and composites.

  6. Wet and Dry Use: These discs can be used both wet and dry, depending on the application and material. Wet usage helps to cool the abrasive and reduce dust during grinding.

  7. Compatibility: It is essential to ensure that the Roloc Flexible Diamond Disc is compatible with the specific power tool or grinder you plan to use, as the attachment systems may vary between brands and models.

Order Code Format

Which includes the following components:

RFDD: This is likely an abbreviation or code representing our product.

Diameter: This should be replaced with the desired length of the product you want to order.

Grit: This should be replaced with the specific grit level or abrasive coarseness you require for the product.

Please provide the specific diameter and grit size values to complete your order.


  • Grit: Available in various grit levels, including 60 120 240 400 600 800 1200 1500 and 1800Grit. The choice of grit depends on the level of abrasiveness required for your specific application.

  • Size (Diameter): The cloth come in various sizes to accommodate different tools and applications, with diameters including

  • Diameter:  2 inches (50.8 mm),3 inches (76.2 mm),4 inches (101.6 mm),5 inches (127 mm),6 inches (152.4 mm),


  • Metalworking: The Roloc Flexible Diamond Disc is often used in metalworking applications. It can be applied for tasks such as deburring, grinding, and polishing metal surfaces, including steel, aluminum, and other metals.

  • Surface Preparation: This disc is ideal for preparing surfaces for further treatments, such as welding or coating. It helps to remove rust, paint, and other contaminants, leaving a clean surface.

  • Concrete and Stone Polishing: In the construction industry, it's used for grinding and polishing concrete and stone surfaces, providing a smooth and refined finish.

  • Automotive Industry: The Roloc Flexible Diamond Disc is employed in the automotive sector for tasks like removing paint, rust, and surface imperfections from vehicle body panels and parts.

  • Woodworking: Some woodworkers use these discs for precise sanding and shaping of wood, especially when working on intricate details.


  1. Flexible Design: The "flexible" nature of this disc allows it to conform to the contours of the workpiece, making it suitable for curved or irregular surfaces.

  2. Diamond Abrasive: The use of diamond abrasive particles ensures efficient and long-lasting cutting and grinding capabilities. Diamonds are one of the hardest materials, making the disc highly effective.

  3. Quick Attachment: The "Roloc" attachment system enables quick and easy disc changes. It's designed to work with compatible Roloc quick-change holders, which enhances efficiency in the workplace.

  4. Durability: The disc is known for its durability and long lifespan, reducing the need for frequent replacements.

  5. Consistency: It offers consistent and uniform abrasion, resulting in even finishes across the workpiece.

  6. Versatility: Suitable for various materials, including metals, concrete, stone, and wood, making it a versatile tool for multiple industries.

  7. Wet or Dry Use: The disc can be used both wet and dry, depending on the application and material being worked on.

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Frequenstly Answer Qeustion

Q: Is a Roloc disc safe for aluminum?

Roloc Flexible Diamond Disc works well on steel, aluminum and a variety of other metals, in general maintenance, as well as automotive and engine rebuilding applications.

Q: What is the difference between Roloc green and yellow?

Roloc is a brand of quick-change abrasive discs and attachments , commonly used in various applications like sanding, grinding, and polishing. The color coding in Roloc discs typically signifies differences in their abrasive properties and intended uses. However, it's important to note that specific product lines and colors may vary, and 3M may introduce new products or change their color coding system over time. As of my last knowledge update in September 2021, here's a general guideline for the differences between green and yellow Roloc discs: Green Roloc Discs: Green Roloc discs are often associated with fine-grit abrasives. They are generally used for light sanding, finishing, and polishing tasks. Green discs are suitable for preparing surfaces for paint or coatings and for achieving a smoother finish. Yellow Roloc Discs: Yellow Roloc discs are typically associated with coarse-grit abrasives. They are commonly used for more aggressive material removal, such as grinding and blending. Yellow discs are often chosen for heavy-duty applications where rapid material removal is required.

Q: What happens when you use a steel disc on aluminum?

Using a steel abrasive disc on aluminum can lead to several issues and is generally not recommended due to the differences in hardness and characteristics between the two materials. Here are some potential problems that can occur: Material Damage: Steel is much harder than aluminum. When you use a steel abrasive disc on aluminum, there is a high risk of damaging the softer aluminum surface. This can result in scratches, gouges, or deep grooves on the aluminum, which can be unsightly and compromise the integrity of the aluminum component. Contamination: Steel discs may leave behind steel particles or residue on the aluminum surface. This can lead to corrosion and rusting of the aluminum over time, which is undesirable, especially in applications where the aluminum needs to maintain its appearance and corrosion resistance. Inefficient Material Removal: Steel discs may not effectively remove material from aluminum surfaces due to the significant difference in hardness. This can result in uneven or ineffective grinding or sanding, making it challenging to achieve the desired finish or shape on the aluminum. Safety Concerns: When using a steel abrasive disc on aluminum, there is a risk of generating excessive heat, which can lead to melting or warping of the aluminum. Additionally, it can create sparks and pose a fire hazard, especially if there are flammable materials nearby. To work with aluminum effectively and safely, it's advisable to use abrasive discs specifically designed for aluminum or non-ferrous metals. These discs are made with abrasives that are better suited for aluminum's softer characteristics and will help you achieve a smoother finish without causing damage or contamination. Always follow manufacturer guidelines and safety precautions when working with abrasive discs and different materials to ensure a successful and safe operation.

Q: What material is Roloc?

Roloc quick-change abrasive discs are typically made from various abrasive materials that are suitable for grinding, sanding, or polishing applications. The specific abrasive material used in these discs can vary based on the intended use and the manufacturer's product offerings. Some common abrasive materials used in Roloc discs include: Aluminum Oxide: Aluminum oxide abrasives are versatile and suitable for a wide range of materials, including metals, wood, and plastics. They are known for their durability and long-lasting performance. Silicon Carbide: Silicon carbide abrasives are often used for harder materials like metals and ceramics. They are known for their sharp cutting action and ability to work well on surfaces that require finer finishes. Zirconia Alumina: Zirconia alumina abrasives are known for their high-performance capabilities and are suitable for aggressive material removal. They are often used for heavy-duty applications on metals. Ceramic Alumina: Ceramic alumina abrasives are designed for high-performance grinding and cutting applications. They offer exceptional durability and can be used on a variety of materials. Diamond: Diamond abrasives are used for grinding and polishing extremely hard materials like concrete, stone, and glass. Diamond-coated Roloc discs are specialized products used for specific applications.

Q: What is the difference between Type R and Type S Roloc?

Roloc is a brand of quick-change abrasive discs and attachments made by 3M, and they offer two main types of Roloc discs: Type R and Type S. These types are differentiated by the way they attach to the Roloc holder or mandrel. Here's the difference between Type R and Type S Roloc quick-change discs: Type R Roloc Discs: Attachment Mechanism: Type R discs have a "twist-on" attachment mechanism. They are designed to be easily attached or removed from a compatible Type R Roloc holder by twisting them onto the holder's threaded shank. This attachment style is often referred to as a "male" attachment because the disc itself has threads that fit into the holder. Type S Roloc Discs: Attachment Mechanism: Type S discs have a "snap-on" or "snap-in" attachment mechanism. They are designed to be snapped onto a compatible Type S Roloc holder without the need for twisting or threading. The Type S system uses a female-style attachment on the disc that snaps over the matching male-style attachment on the holder. In summary, the main difference between Type R and Type S Roloc quick-change discs is the attachment mechanism. Type R discs use a twist-on attachment, while Type S discs use a snap-on attachment. It's important to ensure that you have the correct type of Roloc holder for the discs you intend to use, as Type R and Type S discs are not interchangeable with the same holder. Using the wrong type of holder can lead to a poor connection and potential safety issues during use. Always follow the manufacturer's recommendations and use the appropriate holder for your Roloc discs.

Q: What color and grit are Roloc discs?

Color Coding: Green: Green Roloc discs are often associated with fine-grit abrasives. They are typically used for light sanding, finishing, and polishing tasks. Yellow: Yellow Roloc discs are generally associated with coarse-grit abrasives. They are commonly used for more aggressive material removal, such as grinding and blending. Brown: Brown discs often contain aluminum oxide abrasives and are suitable for general-purpose grinding and sanding on various materials. Blue: Blue discs are sometimes used for finer finishing and polishing applications. Black: Black discs may indicate a specialized type of abrasive or coating designed for specific applications, such as surface conditioning. Grit Levels: The grit level of Roloc discs can vary widely, and it is typically indicated on the product packaging or disc itself. Common grit levels include 36, 60, 80, 120, and finer. Lower numbers like 36 or 60 represent coarser abrasives for aggressive material removal, while higher numbers like 120 indicate finer abrasives for smoother finishes. To determine the specific color and grit of a Roloc quick-change disc, you should refer to the product packaging or the manufacturer's documentation. Different manufacturers may use slightly different color schemes or numbering systems, so it's essential to follow their guidelines to choose the right disc for your intended application and material.

Q: What speed is a Roloc?

The operating speed for Roloc quick-change discs can vary depending on the specific disc type and the manufacturer's recommendations. It's essential to follow the manufacturer's guidelines and product specifications for the Roloc discs you are using to ensure safe and effective performance. In general, the recommended operating speed for a Roloc quick-change disc will be provided by the manufacturer on the product packaging or in the product documentation. This speed recommendation takes into account factors such as the type of abrasive material, disc size, and the intended application. Typically, the recommended speed for using Roloc discs with a rotary tool (such as an angle grinder or die grinder) can range from a few thousand RPM (revolutions per minute) to several thousand RPM. Some discs are designed for high-speed applications, while others are intended for lower-speed operations. Using a Roloc disc at the correct speed is crucial for achieving the desired results, preventing premature wear or damage to the disc, and ensuring safety during use. Operating a disc at speeds significantly higher or lower than the manufacturer's recommendations can lead to reduced performance, increased wear, and safety hazards. Always refer to the specific guidelines provided by the manufacturer for the best results when using Roloc quick-change discs.

Q: What are Diamond Roloc quick-change discs used for?

Diamond Roloc discs are used for cutting, grinding, and polishing hard materials such as concrete, stone, glass, ceramics, and various hard metals. They are suitable for tasks that require precision and efficient material removal on hard surfaces.

Q: Why use diamond as the abrasive material?

Diamond is one of the hardest known natural materials, making it highly effective for cutting and grinding hard substances. Diamond abrasives provide exceptional hardness, durability, and long service life.

Q: What types of applications are Diamond Roloc discs commonly used in?

These discs are commonly used in construction, masonry, metalworking, and stone fabrication applications. Examples of tasks include cutting concrete, shaping and smoothing stone or glass surfaces, and grinding hard metals.

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