Rabbet Router Bits - Woodworking Talk - Woodworkers Forum
 
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post #1 of 6 Old 05-18-2014, 10:14 PM Thread Starter
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Rabbet Router Bits

Hello Everyone,
For some reason I'm having issues with finding the right rabbet bit. My father gave me a set of router bits with a 1/2 inch shanks and one of the bits is a rabbet bit that cuts 1/4 inch (radius of the bit), but I can only use 1/4 shank bits on my router so I started looking for 1/4 inch rabbet bits in the 1/4 shank variety online and got nowhere(do they not exist?). Maybe I'm having a brain fart and someone can clear this up for me. I'm building a flag case and need to drop in the glass in a rabbet that is 1/4 inches wide. Hopefully I'm explaining this correctly. Any help would be appreciated.

Thanks,
Joe
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post #2 of 6 Old 05-18-2014, 10:29 PM
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rabbet or dado?

A dado is a groove, any width, any length, any depth.
a rabbet is a groove with one side missing, so it forms an "L"

If you want a 1/4" groove just use a 1/4" diameter bit.
If you want a 1/4" rabbet you must use a fence or a bearing to register off the edge. The fence can be an edge guide, or a fence on the router table.

Does this make more sense?

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)
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post #3 of 6 Old 05-18-2014, 11:00 PM Thread Starter
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Ok, ok, ok...you mentioning a fence shook me out of my funk. I've been looking for bits with 1/4 inch diameters to use with my router. When I could just put the 3/8 inch rabbet bit I do have in my router table and move the fence to reduce the size of the rabbet (left to right measurement on the "L") Whew! It's been a long week, sorry for the lapse in brain function on my part.

Thank you!
Joe
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post #4 of 6 Old 05-18-2014, 11:04 PM
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If you indeed want 1/4" shank rabbet bits they are available.

http://www.woodcraft.com/Product/200...Set-14-SH.aspx

http://www.sears.com/freud-32-100-ca...blockType=G136

http://www.infinitytools.com/Rabbet-...ctinfo/00-155/

I agree with the advise given to you by woodnthings provided you have a router table or some other means to securing the work piece and keeping the router controlled through the cut. I'll even add that if you are wanting a rabbet and you have a router table with a good fence you can make that "L" shaped cut with any straight bit without a bearing. I do it all the time using a 3/4" bit and make rabbets as small as 1/8". If you don't then the links I gave you should get you headed in the right direction for a 1/4" shank bit. I have the ones from Sears and they (I have two different sizes 3/8 and 1/2 both in 1/4" shanks) have served me well for my occasional use.

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Last edited by johnnie52; 05-18-2014 at 11:08 PM.
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post #5 of 6 Old 05-19-2014, 07:25 AM
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Quote:
Originally Posted by johnnie52 View Post
If you indeed want 1/4" shank rabbet bits they are available.

http://www.woodcraft.com/Product/200...Set-14-SH.aspx

http://www.sears.com/freud-32-100-ca...blockType=G136

http://www.infinitytools.com/Rabbet-...ctinfo/00-155/

I agree with the advise given to you by woodnthings provided you have a router table or some other means to securing the work piece and keeping the router controlled through the cut. I'll even add that if you are wanting a rabbet and you have a router table with a good fence you can make that "L" shaped cut with any straight bit without a bearing. I do it all the time using a 3/4" bit and make rabbets as small as 1/8". If you don't then the links I gave you should get you headed in the right direction for a 1/4" shank bit. I have the ones from Sears and they (I have two different sizes 3/8 and 1/2 both in 1/4" shanks) have served me well for my occasional use.
+1. Rabbet bits with bearings can rout a variety of depths just by changing the diameter of the bearings. Or, as just described, by using a straight bit and a fence on a router table. If you want to use the router handheld, use an adjustable edge guide mounted to the router base and you can rout any depth, with a straight bit without a bearing.






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post #6 of 6 Old 05-20-2014, 08:50 AM
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I have an Amana rabbet cutter with 1/4" shank that came with several different sized bearings that has held up well for years with heavy use.
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