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Ridgid R4512 Sacrificial Fence: T-Slot Size?

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Forum topic by FumbleThumb posted 04-08-2012 08:11 AM 3136 views 2 times favorited 7 replies Add to Favorites Watch
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FumbleThumb

7 posts in 1002 days


04-08-2012 08:11 AM

I’m just unpacking the R4512 table saw that I bough this weekendt, and after getting it set up and tuned (which could be a career in itself), the first thing that I’d like to do is to build a couple of sacrificial wood fences.

Could anyone tell me the size of the T-slots that run down the left and right side of the fence? And where can the T-nuts and bolts be purchased?

Thank you.

-- Don


7 replies so far

View syenefarmer's profile

syenefarmer

394 posts in 1831 days


#1 posted 04-08-2012 02:00 PM

If those slots are the same size as the ones that came with the fences on the Ridgid contractor style saws then a ΒΌ” hex bolt will fit perfectly.

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Viking

857 posts in 1946 days


#2 posted 04-08-2012 02:12 PM

Don;

You can also use T-bolts available at Rockler, Woodcraft, or in plumbing section as they are same as bolts used to hold down toilets. All have 1/4-20 threads.

Good luck with your new saw.

-- Rick Gustafson - Lost Creek Ranch - Colorado County, Texas

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FumbleThumb

7 posts in 1002 days


#3 posted 04-09-2012 02:00 AM

Thanks guys. I’ll grab a 1/4” hex nut and see if it works. The new saw is waiting for the old portable saw to complete it’s final project…...partitioning the garage so that the new saw will have its own enclosed space.

-- Don

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nwbusa

1017 posts in 1037 days


#4 posted 04-09-2012 07:09 AM

They’re 1/4 inch. The ones on top of the fence are 5/16” if I recall correctly.

For your sac fence, assuming you use 3/4” material, then a 3/4” long 1/4” hex bolt counterbored will fit perfectly.

Edit: forgot to add, for some reason the 1/4” t-bolts I have won’t fit in the R4512 fence slots, although they work in Rockler’s universal t-track just fine. So, yeah… Use the hex bolts :)

-- John, BC, Canada

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FumbleThumb

7 posts in 1002 days


#5 posted 04-09-2012 02:50 PM

nmbusa: Okay, thanks. 1/4” hex bolts it is. I was planning to use some of the mountain of 3/4” pine that I’ve got lying around. Does it much matter if I use a softwood vs. a hardwood?

-- Don

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nwbusa

1017 posts in 1037 days


#6 posted 04-09-2012 04:36 PM

As long as the board is flat, any wood should work fine. I think lots of folks use plywood or MDF due it’s dimensional stability, bit with the board bolted to the fence, I don’t think using solid wood would pose a big problem.

-- John, BC, Canada

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FumbleThumb

7 posts in 1002 days


#7 posted 04-09-2012 07:11 PM

Next to my stack of scrap 3/4” pine I’ve got another stack of 3/4” birch plywood scraps. Maybe I’ll try pine on one side of the fence, and birch plywood on the other…....kind of a tricked out table saw.

-- Don

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