Do I need the narrow miter slot on a router table?

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Forum topic by soob posted 06-24-2015 05:49 PM 712 views 0 times favorited 3 replies Add to Favorites Watch
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266 posts in 1207 days

06-24-2015 05:49 PM

I recently got a cast iron router table top with two miter slots running across the front. The large (3/4”) one is fine, but the narrow one has a casting defect with about 1” of the lip missing on both sides a few inches from the left end of the slot. I marked the approximate location of the defect on the attached image. I will get a significant discount if I keep it.

My impression is that the narrow slot doesn’t really offer anything unless you already have accessories that fit it (I don’t), but am I wrong? Is there something you can only do with it that I just don’t know about? I am hoping for any input. Thanks in advance.

3 replies so far

View jerryminer's profile


923 posts in 1440 days

#1 posted 06-24-2015 06:43 PM

Can’t tell from the pic, but that slot is likely a “T” shaped slot, made for attaching hold-downs and such. You can probably avoid having to clamp in that one defective area and still get good use out of the top. I’d keep it if you’re getting a good discount

-- Jerry, making sawdust professionally since 1976

View MT_Stringer's profile


3168 posts in 3230 days

#2 posted 06-24-2015 06:53 PM

The only thing I used the slot for was to hold featherboards while I pass the stock past the cutter. I use a shop made jig (coping sled) when I cut rails and stiles for raised panels. It rides against the fence for a perfect 90 deg. cut.

Hope this helps.

But since I built a new table, it doesn’t have a slot. I made it that way because I use the table for assembly and other things. So, I made this jig to hold the featherboards.

-- Handcrafted by Mike Henderson - Channelview, Texas

View exelectrician's profile


2327 posts in 2426 days

#3 posted 06-24-2015 07:27 PM

Feather boards attach mostly right in front of the cutter area. Way down there on the left is a spot where you will probably never use, so yeah! Grab the discount…..

-- Love thy neighbour as thyself

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