Quote:
Originally Posted by gbrettin
I used the sanding disc in the picture (50grit). It chewed through the bulbus part of the weld pretty quick. I then changed up to a 36grit and I wish I led off with that! It also took everything down flat. Don't think I'd use a die grinder due to that.
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Ahhhhh......you are using an angle head die grinder in the one pic. Die grinders come in a couple of different types. Straight, 45 degree, and 90 degree heads. Short shaft and long shaft. 12,000 rpms all the way to 80,000 rpms.
36 grit is pretty course. 50 grit is finer. I normally start with a 36 grit, and finish with a 80 grit. If I want it really smooth. I then move to a 120 grit.