How to Use an Angle Grinder to Smooth Concrete? (6 DIY …
The first thing to do is to unplug the angle grinder or remove the battery. Then press the spindle-lock button located on the top of the angle grinder. The spindle-lock button ensures the existing disc in the angle grinder is locked firmly. The next thing to do is to use a wrench to remove the clamping flange.
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