What grit do flap discs come in?
Flap disc grains come in an array of sizes, just as sandpaper grains do. The abrasive grains for flap discs typically range from about 36 to 120, with smaller numbers indicating larger, coarser grit and larger numbers indicating smaller, finer grit.
What is a grit flap disc used for?
When to select a fine gritted flap disc: They are typically used at the latter stages of the grinding process to clean up deeper scratches imparted by the coarse grain in stock removal.
What is a flap sanding disc?
A flap disc is an abrasive product designed for right-angle grinder applications that consists of overlapping abrasive “flaps” glued radially to a backing plate. Flap discs became popular for benefits like fast stock removal and the ability to perform grinding, blending, and finishing in one product.
Can you sand wood with a flap disc?
Not only do flap discs make sanding easier – they make it more cost effective. You’ll get far more out of a flap disc than you will a regular (Velcro) sanding disc. For removing large surface areas, or sanding wood, Tork Craft Flap Discs are available in 40-, 60, 80- and 120-grit varieties.
What grit flap disc is best for sharpening mower blades?
We recommend a 36 or 40 grit flap disc OR a hard disc. Either straight or beveled wheels work equally well. Type 29 or 27 flap discs will work equally.
Can you use a flap disc on concrete?
Flap discs for concrete: You’ll need silicon carbide or diamond flap discs for aggressive stock removal on concrete. Silicon carbide and diamond are some of the hardest materials in the world. Using these discs will allow you to work on concrete surfaces without the need for high pressure.
What type of flap disc is best for grinding metal?
A Type 27 flap disc is best for finishing and applications that require lower grinding angles ranging from 5 to 15 degrees. A Type 29 flap disc is best for more aggressive, higher-angle grinding, between 15 and 35 degrees.
What is the difference between a sander and a grinder?
Sanders are only used to sand, but grinders can be used for multiple things. They can cut through metal, strip metal, and polish surfaces. Be aware of what your project entails before choosing which of these to rent.
How do you use a flap wheel sander on wood?
To use a flap disc to sand rough timber, gently stroke the angle grinder over the surface – starting with a low grit and working your way up to a 120-grit flap disc to finish off. If you want a smoother finish, use an Orbital or Random Orbit Sander to finish off.