Does this router bit exist?

[Solocade2008]

Looking to clamp my two 3/4" MDF cabinet sides together and use a router with a 1/4" collet and 2" router bit.

Is there a flush 1/4" 2" bit out there? Could only find a fush 1/4" 1" and a  1/2" 2" bit so far...

[ScottS]

If you want a bit with a 2" cutting length, you'll probably need a router with a 1/2" collet. Of course, this begs the question: why do you need such a long length? If you're clamping two sheets of 3/4" MDF together, that's only 1.5". Presumably, you're going to put another template on top of the two sheets and cut them to match? If you just want one sheet to match the other, you only need a 3/4" long bit...

[Solocade2008]

A 1/4" 1 1/2" bit would work as well. I'm just trying to route both sides at once. I currently have a 1/4" 1" bit but it is too short. I guess I can route and then flip them over or I need to get me a real router with 1/2 collet. Right now I have a dewalt laminate trimmer which only holds 1/4 collets.

[ScottS]

If you just want the two sides to match, you can get by with a bit that has a 1" cutting surface.

If you've got a flush-cut bit (bearing on the bottom), you set the depth so that the bearing rides along the top 1/4" of the bottom piece. The 1" long cutting surface should then cut across the entire 3/4" width of the top piece.

If you've got a template bit (bearing at the top), you do the opposite: set the bearing so that it rides along the bottom 1/4" of the top piece. Again, the 1" long cutting surface should cut across the 3/4" width of the bottom piece.

Once you've made a complete pass around both pieces, they should be identical. Either the top piece will be a duplicate of the bottom (flush cut bit), or the bottom will be a duplicate of the top (template bit).

[Solocade2008]

Thanks, I ended up just adjusting the shank length and depth and made two passes. I was hoping I could do it with one pass with the right bit.