Standard nuts make saw set up easier.
Drawing of nut used to measure blade height

Trying to eyeball the height of a tablesaw blade or router bit against a tape measure or steel rule can be tricky. Instead, I raid the hardware bin for simple, no-cost gauge blocks.

Standard hex nuts measure in consistent fractional increments across their flats and thickness, as shown in the chart. Stand the nut up on one of its flats, or lay it down, then raise or lower the blade flush with the top to set the blade height. Stack them for even more versatility.

Chart of measurements

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