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Are straight edged, mortise and dado bits all different names for the same thing?

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Forum topic by kanihoncho posted 01-08-2010 01:16 AM 1417 views 0 times favorited 1 reply Add to Favorites Watch
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kanihoncho

56 posts in 2537 days


01-08-2010 01:16 AM

I need to buy a bit for routing the sides of a boxed broom closet that is made from 3/4” birch plywood. I see many names, are they all the same? I’m looking at MLCS for a rabbeting set and wood also like to purchase a dado-purposed bit set from the same. Recommendations? Thanks.


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SKFrog16

661 posts in 2665 days


#1 posted 01-08-2010 02:46 AM

I own both types. And no they are not the same. A rabbeting bit is desiigned for just making rabbets. Generally it is a hockey puck shaped bit with a bearing on top. The top mounted bearing can be changed to regulate the depth of the rabbet.
Now a dado bit can do more than a rabbeting bit. You can cut both rabbets and dados, just a matter of adjusting your fence. Remember, the fence doesn’t need to be parallel to the front edge of your table, but adjusted to the correct amount of bit exposure to ensure the proper cut. Dado bits also come in plywood widths also, meaning that they are slightly undersized to insure that you get a proper fit.

-- Methods are many,Principles are few.Methods change often,Principles never do.

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