| Over here in Australia, i have often read in magazines, where a
| tool called a daddo is used with wood. It looks like a router
| blade, is this right. Is there another name for this tool.
If it's intended for use with a router, then it's commonly called a
"straight router bit".
If it's intended for use with a table or radial arm saw, then it's
commonly called a "dado blade" or "dado blade set" (depending on
DeSoto, Iowa USA