I wanted to make my own maple handscrews, but found that freehand threading of the 5/16-in. steel rods invariably resulted in erratic thread patterns and wobbly clamps. I solved the problem by drilling a pilot hole through a 2-in. block and fastening my die holder directly over the hole with little maple brackets. To ensure firm damping pressure, the cutouts in the brackets should be a fraction shallower than the height of the handles. I now get perfect threads every time, both right-hand and left-hand, and have produced a number of beautifully functional clamps at a fraction of store-bought prices.

Chris Clark, Winnipeg, Man., Canada

Fine Woodworking Magazine, February 1984 No. 50

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