Wednesday, January 20, 2010

Cheap Rockwell Jawhorse RK9204 Work Table Accessory Attachment


First, let me say that I REALLY like the JawHorse. It's a great addition for a one-man shop. That said, I was a bit disappointed in this accessory. It is OK, and will be fine for most painting, sanding, scraping type work, but it's really not up to the standard of the JawHorse, and I would not call it "heavy-duty". It seems to be built more to the standard of a workmate-type product.

The table is only 1/2" thick, giving it a pretty light duty feel. The guide tubes are a little on the loose side, so that the two halves of the work table can (and do) move out of alignment when you bring them together. The misalignment isn't terrible, probably about 1/16", but it would be a problem if you need a truly flat surface. Not sure how they came up with the maximum opening of 22" mentioned in the product description. The maximum opening between the halves is only 5". There is a maximum clamping capacity of about 15" if you install the clamp dogs in their outermost positions, but there is no way to clamp anything larger than this unless you remove the guide tubes. Removing the guide tubes is NOT recommended in the manual, and I believe removing them would cause problems in clamping and, potentially, damage to the tool. The clamping dogs are plastic. I believe they would withstand pretty high pressure, but not the full clamping force the JawHorse is capable of. This is a bit of a concern since the design of the JawHorse makes it very easy to apply a LOT of pressure.
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