What are  Thin Cutting Discs  What are Flap Discs what grits do you use !

What are Thin Cutting Discs What are Flap Discs what grits do you use !

What are  Thin Cutting Discs  What are Flap Discs what grits do you use !

Discs are extremely useful tools for cutting through various materials. These discs have been used since the ancient times, and now they are even more advanced than ever before. Thin metal discs are commonly used for metalworking operations, cutting wood, sheetrock etc. Here's how to use them correctly.

 1. Know what material you are going to cut

 It is always good to know what you want to cut first, before buying any disc. You need to determine the thickness of the material you wish to work with, and whether or not it might be brittle or flexible. If it is brittle, then you should use a harder steel disc, otherwise a softer steel disc should be used. Abrasive thin metal cutting discs are best suited for working with soft metals.

 2. Choose the right disc

 The type of disc you choose is based on what you want to do with it. Abrasive thin metallic discs are known to provide maximum speed and efficiency for cutting through hard materials. However, if you are looking to cut through soft materials like paper, plastic, rubber or foam; then ceramic cutting discs would be a better choice. Ceramic discs ensure less wear and tear on the surface being worked on, thus reducing the risk of cracking. Another advantage of using ceramic discs is that they won't scratch or dull blades while sharpening.

 3. Use the correct power setting

 A perfect disc requires a specific amount of power to get the job done efficiently. Most discs require around 300-400 watts (or 30-40 amps) for effective cutting.

 4. Always keep safety measures in mind

 Always remember to use caution when using these discs in order to avoid injury or accidents. Always make sure that you do not touch the disc directly, as doing so may cause electric shock. Additionally, never place the disc directly over a flame, as it could damage the tip of the disc. When cutting, hold the disc as close to the blade edge as possible. Keep the discs away from electrical outlets and other dangerous equipment. Also, keep the discs out of reach of pets and children.

Flap Discs what do You use them for

Product Details

Zirconium Flap Disc

Introducing the Sonniflex Zirconium Flap Disc, manufactured from high-quality materials to offer optimum performance, long life and an outstanding cost per Grind ratio.  with minimal effort, along with strengthened core stability for reduced vibration. They are suitable for use on a wide variety of materials like stainless steel, mild steel, hardened steel and high-grade steel, as well as other general-purpose Grinding applications.

Features and Benefits:

  • The Sonniflex flap disc is suitable for a wide variety of professional and DIY applications, offering professional quality at an affordable price
  • This disc has a 13,300rpm maximum safe speed and a grit size of 40g, making it an ideal flap disc for grinding  and stock removal of metals like steel and stainless steel
  • The lightweight fiberglass backing absorbs vibration and makes this product incredibly strong and durable
  • Made from Zirconium, the disc provides extended life and more cutting power than aluminium oxide
  • Supplied in a pack of 10 pieces.


Flap discs are a type of power tool accessory that can be used in conjunction with angle grinders to grind, blend and remove excess material, depending on what the task is that they are being used for. Flap discs are available in different grit sizes and each grit size will be more or less suitable for removing excess material from welds or removing rust, descaling, preparation of surfaces for painting or polishing and other surface finishing applications. They are most commonly used in:

  • Building and construction industries
  • Automotive engineering and manufacturing
  • Ship and boat manufacturing
  • Metal fabrication
  • Home DIY

How should these flap discs be stored?

Flap discs should be stored flat, avoiding damp and frost or wide temperature variations.

What do grit sizes mean?

  • P40 Grit – Useful when you need to remove heavy stock from a surface
  • P60 Grit – For when you need to remove stock from a surface, but will need to refine the finish
  • P80 Grit – This is for light stock removal and shaping only

Why Sonniflex

Sonniflex  is an Excellent brand with grinding discs Cutting discs as well in the range Sonniflex brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every product has been rigorously tested against demanding industry standards; they’re only given the seal of approval if we’re confident of their exceptional quality, which means you can be confident too.

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