Saw just outside the plate and trim the wood insert to the exact shape of the metal insert with a flush-trim bit in your router table (see illustration below ). set the zero-clearance insert flush with your tablesaw top by applying small strips of tape to the underside of the insert where the tablesaw supports it.. A zero clearance insert (zci) is a one of the most beneficial accessories you can use with a table saw. it is a substitute for the throat plate that comes with your table saw. the purpose of a zero clearance insert is to bring the distance between the saw blade and the nearest supporting surface down to zero.. Woodworking tips index: zero-clearance top most table saw inserts have wide throat openings around the saw blade. this makes it all too easy for narrow cutoffs to fall in the opening and possibly bind against the blade. in addition, there's often chipout along the bottom face where the workpiece isn't supported..
The leecraft zero clearance inserts have eliminated "tear outs" and the wood is sharp with no splinters. i also use high end forrest and freud saw blades. i would recommend leecraft zero clearance inserts that are made here in the usa! write comment. you must be logged in to write a comment.. In simple terms, the zero clearance insert is one of the most important accessories you can buy for your tablesaw. it closes the gap from the metal insert that came with your saw which reduces the possibility of tear-out on your cuts. most importantly, the zero clearance insert prevents small stock pieces from falling down into the blade well.. A zero clearance insert is an insert which exactly matches the width of the blade. you can make one by slowly raising the blade through an un-cut insert. the advantage is as aaron says, they prevent things from falling through the hole, and more importantly, they reduce chip-out by ensuring that the piece has support and thus chips won't tend.
