I often need to make fine adjustments to the position of my table saw rip fence, so I devised the following scheme: I attached a rare earth magnet to the fence (1), then made a bracket (2) and drilled it for a 3/8" #16 bolt (3). One complete turn of the bolt moves the fence 1/16"; a quarter turn 1/64" and so on.
To use the gadget, I first make an approximate cut, determine how far the fence needs to move, then slide the bolt head until it touches the magnet, clamp it and rotate the bolt the required number of turns. I then lock the fence and make the cut. The magnet is strong enough to pull the fence as well as push it. - John Calvert; New Market, Alabama
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