Turn the plywood base of the jointer jig over and insert the two bolts through the newly created 1/2" bolt holes. Using your pencil, mark the edges of the heads of the carriage bolts.
Remove the bolts, and using a 1/2" bevel-edged chisel, remove enough material to completely recess the bolt heads into the plywood base.
Table Saw Jointer Jig Plans
By Chris Baylor, About.com Guide
Recess the Bolt Head
Marking the Bold Head Location
(c)2008 Chris Baylor licensed to About.com, Inc.
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