Straight Type Flap Disc

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A straight type flap disc is a specialized abrasive tool used in metalworking and fabrication. It typically consists of a flat, circular disc with overlapping abrasive flaps attached radially around its perimeter. These flaps are made of abrasive material, such as sandpaper or abrasive cloth, and are arranged in a straight or parallel configuration.

The straight type flap disc is designed for use with angle grinders and similar power tools. It is commonly used for grinding, blending, and finishing applications on various metal surfaces. The abrasive flaps on the disc provide a versatile and consistent abrasive action, allowing for effective material removal and surface preparation. The straight configuration of the flaps ensures a uniform grinding surface, making it suitable for tasks that require precision and control.

Overall, a straight type flap disc is a valuable tool in metalworking for tasks ranging from heavy material removal to finer surface finishing, offering efficiency and versatility in a single abrasive accessory.

1. Aluminum oxide
2. Type 27
3. Suitable for working in steel, cast iron and sheet steel


Straight Type Flap Disc Uses 

  1. Grinding and Material Removal:
    • Straight type flap discs are commonly used for heavy-duty grinding and material removal applications. The abrasive flaps efficiently remove excess material, such as weld seams, burrs, and rough surfaces on metal.
  2. Blending and Surface Conditioning:
    • These flap discs are effective for blending surfaces, providing a smooth and uniform finish. They can be used to blend welds, eliminate scratches, and prepare surfaces for painting or coating.
  3. Deburring:
    • Straight type flap discs are excellent for deburring sharp edges and removing burrs from metal workpieces. The abrasive flaps can reach into intricate areas, ensuring thorough deburring.
  4. Edge Chamfering:
    • The straight configuration of the flaps allows for controlled chamfering of edges, creating beveled surfaces for improved aesthetics and safety.
  5. Finishing and Polishing:
    • These flap discs are suitable for achieving a finer surface finish on metal. They can be used in polishing applications to enhance the appearance of workpieces.
  6. Preparation for Welding:
    • Straight type flap discs are often employed to prepare metal surfaces for welding by removing rust, scale, and contaminants, ensuring proper weld adhesion.
  7. Surface Cleaning:
    • The abrasive action of the flap discs helps in cleaning surfaces by removing coatings, corrosion, and other unwanted materials.
  8. General Metalworking Applications:
    • Straight type flap discs are versatile tools that can be applied in a wide range of metalworking tasks, making them a go-to choice for professionals in industries such as construction, manufacturing, and fabrication.
  9. Efficient Stock Removal:
    • These flap discs are efficient in quickly removing stock material, saving time and effort in various metal shaping and fabrication processes.
  10. Consistent and Controlled Material Removal:
    • The straight arrangement of the flaps allows for a more controlled and consistent material removal, making these discs suitable for tasks that require precision.
SKU: AHS88135 Category:


115MMX22.2MM 12500RPM (40GRIT),115MMX22.2MM 12500RPM (60GRIT), 115MMX22.2MM 12500RPM (80GRIT),115MMX22.2MM 12500RPM (100GRIT), 115MMX22.2MM 12500RPM (120GRIT)

Safety measures and precautions

  1. Wear Personal Protective Equipment (PPE):
    • Always wear appropriate personal protective equipment, including safety glasses or a face shield to protect your eyes from sparks and debris, as well as hearing protection, gloves, and a dust mask if necessary.
  2. Secure Workpiece:
    • Ensure that the workpiece is securely clamped or held in place. A stable workpiece reduces the risk of kickback and allows for better control during the operation.
  3. Inspect the Flap Disc:
    • Before use, inspect the flap disc for any damage or signs of wear. Replace damaged or worn discs to avoid the risk of breakage during operation.
  4. Select the Right Disc for the Task:
    • Choose the appropriate type and grit of the flap disc for the specific task. Using the correct abrasive material and grit ensures efficient and safe operation.
  5. Follow Manufacturer’s Guidelines:
    • Adhere to the manufacturer’s recommendations and guidelines regarding the use of the flap disc and the accompanying power tool. This includes information on maximum operating speed, proper mounting procedures, and any other safety instructions.
  6. Securely Mount the Flap Disc:
    • Ensure that the flap disc is securely mounted on the angle grinder or power tool according to the manufacturer’s instructions. Use the proper flange and follow the correct tightening sequence.
  7. Maintain a Stable Stance:
    • Stand in a stable and balanced position while operating the tool. Keep a firm grip on the tool with both hands and maintain a proper stance to resist kickback forces.
  8. Control Tool Speed:
    • Operate the angle grinder or power tool at the recommended speed. Excessive speed can lead to overheating, reduced effectiveness, and increased safety risks.
  9. Avoid Excessive Pressure:
    • Let the flap disc do the work. Applying excessive pressure may cause the disc to wear out faster, overheat, and increase the risk of accidents.
  10. Beware of Kickback:
    • Be aware of the potential for kickback, especially when working on edges or corners. Hold the tool securely and maintain control to prevent sudden and unexpected movements.
  11. Clear the Workspace:
    • Keep the work area clean and free of clutter. Remove any flammable materials, and ensure good visibility to prevent accidents.
  12. Use Dust Extraction:
    • If the operation generates dust or particles, use a dust extraction system or wear a suitable dust mask to protect against respiratory hazards.
  13. Follow Lockout/Tagout Procedures:
    • When changing or inspecting the flap disc, follow proper lockout/tagout procedures to prevent accidental startup of the power tool.
  14. Training and Supervision:
    • Ensure that operators are adequately trained in the safe use of flap discs and power tools. Supervise inexperienced users until they demonstrate proficiency.

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