delta 36T30 Fence Questions

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Forum topic by PaulHWood posted 09-29-2016 12:17 PM 228 views 1 time favorited 6 replies Add to Favorites Watch
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328 posts in 1671 days

09-29-2016 12:17 PM

Bought a used delta fence to upgrade my ridgid saw. Was on another ridgid saw, but only two holes lined up on one rail, and one on the front rail. I drilled additional hole for front and installed currently with just two bolts back and front. Already it is infinitely more accurate than the stock ridgid fence.

My question is what are the front and back rail size? I believe them to be 15 gauge angle, but they are painted so may not be. The replacement part is astronomically high, and I thought I could just buy angle and drill from my local steel shop. This would allow me to extend the rip width and move the fence assembly left for say 36 or 42 inch rip capacity. I would have to purchase a new tape strip.

Anybody perform this operation?

Also, any source for the nylon screws that adjust the fence perpendicular to the table, they want $13 a piece for a nylon set screw.

Thanks in advance.

-- -Paul, South Carolina Structural Engineer by trade, Crappy Woodworker by choice

6 replies so far

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328 posts in 1671 days

#1 posted 10-04-2016 01:25 PM


-- -Paul, South Carolina Structural Engineer by trade, Crappy Woodworker by choice

View Rick M.'s profile

Rick M.

7683 posts in 1798 days

#2 posted 10-05-2016 02:39 AM

Unless I’m badly mistaken this fence doesn’t have a back rail.

Sorry, can’t answer the other questions because I own a Unifence.


View MrUnix's profile


4023 posts in 1617 days

#3 posted 10-05-2016 03:43 AM

The rails and guide tube should be standard stock sizes that you can get at any local metal supplier… I don’t know the dimensions (I have the commercial version), but since you apparently already have them, can’t you just measure? As for the nylon set screws, you can get them at places like Graingers or McMaster, perhaps Fastenal and maybe even your local Ace hardware store.


-- Brad in FL - To be old and wise, you must first be young and stupid

View Stevedore's profile


60 posts in 1443 days

#4 posted 10-05-2016 01:13 PM

I have that fence; the front rail is 2×2, rear is 1-1/2×1-1/2. Both are 3/16” thick, and appear to be standard angle iron with the small inside radius at the bend.

The rear rail appears to serve no purpose other than to support the side wings. There’s a hook on the fence that goes over the rear rail, but it doesn’t clamp onto it. I suspect that it’s just to prevent anyone from lifting the back end of the fence upwards & damaging the clamping mechanism at the front.

-- Steve, in Morris County, NJ

View ErichK's profile


41 posts in 81 days

#5 posted 10-05-2016 02:42 PM

I tried running it without the rear rail and regretted it. First, the rear rail is what the back ‘rides’ on, so if you skip it you’ll need a new ‘slip’ pad somewhere along the body.

Second, the hook on the back rail prevents it from tipping up when you lock it down (the front angle flexes more than I’d like an Bies style fences usually do). When it tips, it locks out of square.

View Rick M.'s profile

Rick M.

7683 posts in 1798 days

#6 posted 10-05-2016 05:45 PM

I understand why Delta discontinued the Unifence despite being superior in every way but one (jigs can’t ride on it), it didn’t sell well, but IMO the locking mechanism could have been adapted to a Bies style ambidextrous fence. Add a sliding face and you get almost all the benefits of both fences.


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