I have an older katie jig that I am trying to utilze, however when cutting 1/2" material my dove tails are loose. I purchased new backer boards and toaster clamps but still end up with loose joints. My backer boards are aprox. 701 thousands of an inch. Mark Sommerfield utilzes a 5/8 inch and...

That Bob is purty darn smart! I did my second box with the Katie Jig on the table. It took 13 minutes even with changing the bits out in the table. You are spot on with the table suggestion as my second box was near perfect. (Tear out was slight problem but I know how to fix that) Support is...