Standard miter slot size is 3/4 by3/8 deep, My new table saw #21807 has 5/8 wide 'T' slot. My jigs no longer fit. Any suggestions where it find 5/8 miter jigs? Shop Your Way: Online Shopping & Earn Points on Tools, Appliances, Electronics & more. Width of tongue used with the T-Slots will be found in the complete standard, B5.1M. Throat dimensions are basic. When slots are intended to be used for holding only, tolerances can be 0.0 + 0.010 inch or H12 Metric (ISO/R286); when intended for location, tolerance can be 0.0 + 0.001 inch or H8 Metric.

Miter Slot Runners

On a table saw, is the distance between the center of the blade and the center of the miter slot standard on all or most saws? Thanks. – Jerry

Miter Slot Track

Tim Inman: NO. Each brand – and sometimes each individual machine! – is different, although they are often close. Each jig you make is unique to the saw you make it for, darn it. Most are 3/4 inch slots, though.

Chris Marshall: Following up on Tim’s answer, here’s a case in point. I have two cabinet saws in the shop right now — a Craftsman and a Delta Unisaw. There’s close consistency between these two saws concerning miter slot placement, but they aren’t identical. The distance between Delta’s slots is 9-15/16 in. (5-1/2 in. from the left slot to the face of the arbor flange on the left and 4-7/16 in. from the flange to the right slot). On the Craftsman, the slots are an even 10 in. apart (5-1/2 in. from the left slot to the flange and 4-1/2 in. from the flange to the right slot). It’s only a 1/16 in. variation, but that can make all the difference when trying to retrofit crosscut sleds and other jigs from one saw to another.