Thursday, April 12, 2012

Semi-Permanent Bench Grinder Mount - Fine Woodworking

April 12th, 2012 in blogs
kenstonge Ken St. Onge, Associate Editor
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Its a big work table, but I occasionally need to rearrange it.

It's a big work table, but I occasionally need to rearrange it.

I use the grinder and tool rest pretty regulary. I wanted it to be locked-down for everyday use,  but I also wanted a way to move it if need be. I opted for threaded inserts.

I use the grinder and tool rest pretty regulary. I wanted it to be locked-down for everyday use,  but I also wanted a way to move it if need be. I opted for threaded inserts.

To install the threaded inserts, I drilled oversized holes...

To install the threaded inserts, I drilled oversized holes...

... and then used an insert nut driver to set them in place.

... and then used an insert nut driver to set them in place.

Once set, theyre hardly noticeable.

Once set, they're hardly noticeable.

Removing and reattaching just takes a minute with a wrench.

Removing and reattaching just takes a minute with a wrench.

I used inserts to install a tool rest, too.

I used inserts to install a tool rest, too.

Its a big work table, but I occasionally need to rearrange it. - CLICK TO ENLARGE

It's a big work table, but I occasionally need to rearrange it.


My work table often pulls double- and triple-duty for tons of shop tasks. Most often it's sharpening, but I also use it for drilling, holding bench hooks and shooting boards and occassionally as a chop-saw station. Hopefully soon, it will also hold a midi-lathe. Since I plan on rearranging the top pretty regularly, I wanted a way to attach some of the machinery in a way that was rock solid, but also easily removable. I decided to go with threaded inserts.

I chose threaded inserts--instead of pegs, for instance--because I wanted to be able cinch down the grinder or other small machines to eliminate vibration. Pegs would have been a lot quicker to get on and off, but for the little extra effort of bolting the machines down, I decided inserts and bolts were a better option for me. Plus, I'm not planning to move thing every day--maybe once a month or so.

I used two sizes: a 5/16-18 for the two bolts that hold the grinder, and a 1/4-20 for grinder tool rest. To install them, I drilled oversized holes and then I used an insert nut driver to screw them in. It took about 10 minutes from start to finish.

I'm eventually planning to use a similar set up for my lathe, and possibly my miter saw, although I might attach them to boards first, and then bolt the boards into the nuts. Have you used a similar set up? Let me know in the comments below.


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