Jun 21, 2020

Can I use my angle grinder as a sander?

  • To turn your angle grinder into a sander you’re going to require some Flap Discs. These discs are specifically designed for utilization on an angle grinder, and make sanding away lots of surface area a breeze. Not only do flap discs make sanding easier, they make it more cost effective.

Can I use a cutoff wheel on a grinder?

  • If your wheels fit on the spindle correctly and your nut tightens down it will be fine. Are the hole cut-out for grinding and cutoff wheel the same? Does the bottom of the spindle have a ledge around it? But it should be flat side in for cutoff discs and you can cut metal/cast iron pipes every day with this set up.


  • If something has to be flipped you will hear it and see it as soon as you turn it on. The wheel will rub against your guard and do not ever use cut off wheel without the guard. They can splinter and or shatter. Make sure you have a metal cut off blade, and don’t force or don’t bind it, since both actions can and will shatter a blade. Wear eye protection and be aware of where you are cutting on the object.


  • Mount portable cut-off wheels only on grinders with proper guards. Securely clamp the workpiece at both ends before cutting. Use the cut-off wheel only for cutting, not grinding or debarring and maintain the cut-off wheel at 90 degrees to the workpiece at all times.


Can I use a 4 inch blade on a 4.5 inch angle grinder?

  • No you cannot use 4″ discs on 5″ grinders since the arbors are different sizes. Most 4″ discs have a 3/8 or 1/2 arbor hole, whereas most 4.5 and up discs have a 7/8 arbor hole.

DEWALT Angle Grinder Tool, Paddle Switch, 4-1/2-Inch, 11-Amp (DWE402)

Can you put a wood cutting blade on a grinder?

  • Cutting wood with an angle grinder carries the risk of injury to the tool operator since angle grinders typically spin the installed disc at 10,000 – 15,000 RPM. You might safely utilize it for small cutoffs but there are much better tools for safely cutting wood – circular saws, jig saws, oscillating tools, reciprocating saws.


  • The crux of risk, as we understand it, is this: one edge of the spinning cutter / wheel is moving in the opposite direction from the other and this means that a very small change in tool position can suddenly and radically alter the reaction force on the tool from the workpiece – it “kicks”. When this occurs you cannot react fast enough to counteract the almost instantaneous change.


  • Coupled with that effect wood as a material is fibrous and tends to grip the sharp pointed surfaces of cutting tools. This is considerably different from other materials like masonry or metal which are typically worked with an angle grinder.

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