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Flexible Diamond QRS Discs

Flexible Diamond Abrasive QRS Discs

Our Flexible Diamond QRS Discs are specially designed for grinding natural and synthetic stone, glass, ceramics, and hard metal. These quick-release (Velcro) flexible diamond discs are available in all sizes and grades, and are color-coded for easy identification. They can be used for both machine and manual polishing, but should be used with wet grinding.
These discs are available with various backing options, including M14 fixing members, snail locking, self-adhesive, plastic, and magnetic. They are perfect for wet polishing of glass, ceramic, hard metal, natural stone (including granite, marble, and sandstone), and artificial stone.
Our Flexible Diamond QRS Discs come in a range of colors, including green, black, red, yellow, white, blue, and orange, making it easy to identify the different grades. They are the perfect choice for anyone looking for high-quality, flexible diamond sanding pads that are easy to use and provide excellent results.
In addition to our Flexible Diamond QRS Discs, we also offer a range of other flexible diamond products, including Flexible Diamond Finishing Discs Hook & Loop, and Flexible Diamond Bands. These products are all designed to provide excellent results and are made from high-quality materials to ensure maximum durability and performance.
If you're looking for flexible diamond products that are easy to use and provide excellent results, look no further than our range of products. With our flexible diamond sanding pads, you can achieve a perfect finish every time.


Flexible Diamond QRS (Quick Release System) Discs are versatile and commonly used in industries like metalworking, woodworking, and stone fabrication for various applications such as grinding, polishing, and shaping. The grit sizes you mentioned (60, 120, 240, 400, and 600) are indicative of the abrasive quality of these discs, and the diameter options (75mm, 100mm, 115mm, 125mm, and 150mm) reflect the range of sizes available. The velcro backing makes these discs easy to attach and remove from compatible backing pads or tools.

Upgrade your abrasive tool arsenal with our Flexible Diamond QRS Discs and experience the difference in performance and efficiency. Whether you're a professional in the industry or a DIY enthusiast, these discs will help you achieve superior results on your projects. Choose the grit size and diameter that best suits your needs and elevate your polishing and grinding capabilities today!


  1. Metalworking:

    • Deburring: Use diamond discs to remove sharp edges and burrs from metal parts.

    • Grinding: Grind and shape metal surfaces for precision and smoothness.

    • Polishing: Achieve a polished and reflective finish on metal components.

  2. Woodworking:

    • Shaping: Shape and contour wood surfaces accurately.

    • Smoothing: Smooth out imperfections and rough areas in woodwork.

    • Finishing: Achieve a fine finish on wood projects for a polished appearance.

  3. Stone Fabrication:

    • Granite and Marble Polishing: Polish granite and marble countertops, tiles, and slabs to a high-gloss finish.

    • Stone Shaping: Shape and contour stone surfaces for specific designs.

    • Edge Profiling: Create intricate edge profiles on stone countertops and other architectural elements.

  4. Concrete Polishing:

    • Concrete Surface Preparation: Prepare concrete surfaces for coatings, stains, or sealers.

    • Concrete Polishing: Achieve a polished and glossy finish on concrete floors and countertops.

  5. Glass Polishing:

    • Glass Beveling: Bevel and polish glass edges for decorative glasswork.

    • Glass Restoration: Restore the clarity and smoothness of glass surfaces.

  6. Composite Materials:

    • Composite Shaping: Shape and refine composite materials used in aerospace, automotive, and other industries.

  7. Ceramic and Tile Polishing:

    • Ceramic Tile Edging: Polish and round edges of ceramic and tile pieces.

    • Tile Surface Smoothing: Smooth out tile surfaces for a uniform appearance.

  8. Plastic and Acrylic Finishing:

    • Plastic and Acrylic Polishing: Achieve a polished finish on plastic and acrylic surfaces.

  9. Automotive Repair and Restoration:

    • Automotive Paint Correction: Correct imperfections and scratches in automotive paint.

    • Automotive Detailing: Polish and finish automotive surfaces for a showroom-quality look.

  10. DIY and Craft Projects:

    • Craftsmen and hobbyists can use these discs for various DIY projects, from jewelry making to model building.


  1. Size Range (Diameter): Flexible Diamond QRS Discs are available in different diameters to cater to various tasks and equipment sizes. Common diameter options include:

    • 75mm (3 inches)

    • 100mm (4 inches)

    • 115mm (4.5 inches)

    • 125mm (5 inches)

    • 150mm (6 inches)

    • 200mm(8inches)

    • 250mm(10inches)

    • 300mm(12inches)

    • 350mm(14inches)

    • 400mm(16inches)

    • 450mm(18inches)

    • 600mm(24inches)

    These sizes cover a broad range of applications, from small, detailed work to larger surface areas.

  2. Hole Size: Some Flexible Diamond QRS Discs come with holes or perforations designed for dust extraction or water coolant systems. The hole sizes and configurations can vary between manufacturers. Common hole sizes include 6mm, 8mm, or other configurations to fit specific backing pads or tools.It's essential to choose the appropriate size, hole configuration (if needed)

  3. Customized:customized to meet specific size requirements based on your particular needs and applications. Customized sizes offer the flexibility to adapt to various projects and surfaces. Whether you require smaller sheets for precision work or larger sheets for more extensive tasks, Our factory can often accommodate your requests for diamond sandpaper sheets in the size that best suits your requirements. When ordering customized sizes, be sure to provide the dimensions and quantity needed to ensure you receive the tailored product you require.

Grit Size

  1. Coarse Grits (60 to 120): Coarse grit Flexible Diamond QRS Discs are ideal for tasks that require substantial material removal and shaping. They excel in the initial stages of surface preparation, such as removing rough spots or leveling surfaces.

  2. Medium Grits (240 to 400): Medium grit Flexible Diamond QRS Discs offer a balance between material removal and surface refinement. They are suitable for applications where you need to achieve a smoother surface while still removing a moderate amount of material. This includes tasks like smoothing rough surfaces and blending welds.

  3. Fine Grits (600 to 1200): Fine grit Flexible Diamond QRS Discs are primarily used for finishing and polishing applications. They are adept at creating smooth, refined surfaces and eliminating finer imperfections. Common uses involve achieving polished finishes on metals, wood, and other materials.

  4. Very Fine Grits (1500 to 1800): Very fine grit Flexible Diamond QRS Discs are reserved for high-precision polishing tasks. They are perfect for achieving mirror-like finishes on surfaces and eliminating even the tiniest imperfections. Typical applications include the final polishing of metals, glass, ceramics, and stone.


Backing: Flexible Diamond QRS Discs typically feature a hook-and-loop (Velcro) backing. This backing allows for quick and easy attachment to compatible backing pads or tools, making disc changes efficient during projects. The Velcro backing provides a secure grip while allowing for straightforward removal and replacement.


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Q: What are Flexible Diamond QRS Discs used for?

Flexible Diamond QRS Discs are versatile abrasive tools used for various applications, including grinding, polishing, shaping, and smoothing surfaces. They are commonly used in industries like metalworking, woodworking, stone fabrication, and more.

Q: How do I choose the right grit size for my application?

The choice of grit size depends on your specific task. Coarser grits are suitable for material removal and shaping, while finer grits are used for polishing and achieving a smoother finish. Choose a grit size that matches your material and the desired level of surface refinement.

Q:How do I identify and order the right Flexible Diamond QRS Discs?

You can typically identify and order these discs using an order code, such as "QRS." Additionally, consider the required diameter and grit size when placing your order to ensure you receive the correct product for your specific application.

Q: How do I maintain and prolong the life of Flexible Diamond QRS Discs?

Proper maintenance includes cleaning the discs to remove accumulated debris and periodically inspecting for wear. Replacing discs when they become worn or damaged is crucial to maintain their performance.

Q: What is the grit range available for these discs?

Flexible Diamond QRS Discs come in a range of grit sizes, including coarse, medium, fine, and very fine grits. The specific grit sizes may vary by manufacturer, but they typically cover a range from coarse (e.g., 30 or 60 grit) to very fine (e.g., 1200 or 3000 grit).

Q: Can Flexible Diamond QRS Discs be used wet or dry?

Many Flexible Diamond QRS Discs are designed for wet use, which involves using water or a coolant during the grinding or polishing process. Wet use helps reduce heat and friction, extends the disc's lifespan, and improves performance. However, some discs can also be used dry, but wet use is often recommended for better results.

Q: What materials can I work on with Flexible Diamond QRS Discs?

These discs are versatile and can be used on various materials, including metals (such as steel, aluminum), wood, stone (granite, marble), concrete, glass, ceramics, plastics, and more.

Q: Can these discs be used by both professionals and DIY enthusiasts?

Yes, Flexible Diamond QRS Discs are suitable for a wide range of users, from professionals in various industries to DIY enthusiasts and hobbyists. They are user-friendly and offer consistent results when used correctly.

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