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Looking to make a couple dado cuts in some plywood, wondering if a mortise bit can do them, the ones without the bearing on top? I don't currently have access to a double flute straight bit that can do 3/4 inch. Thank you.
 

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If the dado is going to accept a piece of plywood, you might want to search for "exact width dado jig"
we got that covered...

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The easy way is with a mortise bit with shaft mounted bearing of the same o d as the bit. Then all you have to do is take a straight edge and line it up with your dado marks. You can still do it with one without a bearing (using a straight edge) but you have to measure the offset between the bit and the edge of the router’s base and move the straight edge over that much.

As was mentioned, plywood is never exactly the thickness it is sold for. It starts out that way but then gets sanded smooth which leaves it undersize. Your best bet is to use a bit smaller than the ply, for example a 1/2” bit for 3/4 ply, and rout both sides of the channel separately.
 

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Thanks for all the responses! I'm very new to routing, but excited to see everything that can be done with it.

@Bluevyper...
Hey Sig, about your desire to learn...
Have we got some light reading for you...
As in, we've put some helpful information together at this here link to help you get up and running in the world of routers... We hope it to be useful to you... Enjoy...
Do take some time and read the safety PDF's... PLEASE!!!
Blood and trips to the ER, we find, are very annoying... Not to mention – expensive...

DUST COLLECTION

There is some information on dust collection w/ your health in mind at this here link if it you need it...

ROUTER TABLES
there's more here at this link on RT's than you'll be able to digest at one sit down (or many)...
 

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Mike
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Welcome to the Router Forums Sig. Remember to post some of your projects. as you make them
 
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