This is my tiny bench grinder, with a Dremel attachment (removable). This thing is worth its weight in gold. Grinds, buffs, and does everything the Dremel will do, better. $37.99 Harbor Freight.
Compare to a full-sized grinder. This is also very useful.
I have several jigs I made to fit my full-sized DeWalt router. That machine is a beast for building furniture and stuff, but it is clumsy overkill for routing neck pockets and truss rods. So I got the idea to make a base plate that will adapt the little router to the jigs I made. Simple - just a 6" square; there it is on the left. The material is a piece of 1/4" phenolic that I had laying around for years. Phenolic resin is a plastic that is so hard and stiff it is more like metal. It is perfect for router bases and other fixtures, but somewhat hard to work. To drill the big hole in the center, I had to shift the drill press to its lowest gear, and cool the bit with water.
More: Routing & Shaping ...
A subject so simple you hardly even consider it, yet really very mysterious. Just what is the roughness of sandpaper, and the relation to the number on the package?
Here's a plot of some numbers I found online: sandpaper "grit" versus actual micron size. Interesting to see what size scratches you are taking out ( or putting in. ) The curve starts at 320, which is the coarsest grit that might be considered part of the finishing process. For final finishing like orange-peel removal, I start with 1500 and work up from there, I find that even 1000 leaves scratches that are difficult to remove.
More: Sandpaper ...
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