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Ridgid R4512 Zero Clearance Insert

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Project by Lance posted 945 days ago 6035 views 30 times favorited 20 comments Add to Favorites Watch

I used MDF, cut the width on the TS and used a jigsaw to cut out the top and bottom, then I used a plunge router for the depth. A lot cheaper than spending $25 on the woodcraft insert!

-- Lance, Hook'em HORNS! ""V""





20 comments so far

View jockmike2's profile

jockmike2

10635 posts in 2845 days


#1 posted 945 days ago

I just bought the same saw and am going to be a copycat. Looks great, should work great too. Nice job.

-- (You just have to please the man in the Mirror) Mike from Michigan -

View Paden501's profile

Paden501

35 posts in 949 days


#2 posted 945 days ago

Nice insert.

Is that the stock riving knife in the photos? I have the craftsman version of this saw (21833) and I swear it has a different knife than what you have photo’d.

View Lance's profile

Lance

361 posts in 1124 days


#3 posted 945 days ago

It’s stock

-- Lance, Hook'em HORNS! ""V""

View Furnitude's profile

Furnitude

328 posts in 2105 days


#4 posted 945 days ago

Nice job. I own this saw also and was about to pay for an insert. I’m curious about why you routed a channel where the blade will go. Do you want to minimize contact with the blade?

-- Mitch, http://furnitude.blogspot.com

View felkadelic's profile

felkadelic

193 posts in 1138 days


#5 posted 945 days ago

Mitch, it was probably to allow him enough clearance to install the insert and raise the blade through

View Lance's profile

Lance

361 posts in 1124 days


#6 posted 945 days ago

Mitch, that’s right, it was for clearance and I thought it would be better to have less material there for the zero clearance.

-- Lance, Hook'em HORNS! ""V""

View jeff's profile

jeff

634 posts in 2063 days


#7 posted 945 days ago

nice work.i have the same saw and need a ZCI myself.still developing my woodworking skills so someday i will try to make one.thx for posting.jeff.

-- Jeff,Tucson,Az.

View don1960's profile

don1960

212 posts in 1285 days


#8 posted 945 days ago

Well, I’m going to copy that also. I just tonight bought that saw at a local outlet tool place
(Tanger Outlets near the Meadows Racetrack in Coraopolis, PA.)

Got it new in a box for $336. A steal, I figure. It’s a ‘blemished’ one. Something about the paint color being off or some such. Heck, at that price it could be painted pink for all I care.

And now I see a great idea for a ZCI. Thanks, Lance,

-- -- Don from PA

View bj383ss's profile

bj383ss

98 posts in 960 days


#9 posted 945 days ago

Nice job Lance. Now that you have made that one, buy you a flush trim bit for your router and you can make as many as you want. I have about 10 of them for mine. One for Dadoes of different sizes, and a couple for different angle cuts. I did not use the stock splitter though I cut a groove in the back in line with the blade and then I installed a hardwood splitter the same width as the blade works better than the stock splitter.

Bret

-- http://public.fotki.com/bj383ss/

View Lance's profile

Lance

361 posts in 1124 days


#10 posted 944 days ago

Bret, that’s a great idea, I have a flush trim bit and I plan on making multiple inserts.

-- Lance, Hook'em HORNS! ""V""

View Captainawesome's profile

Captainawesome

10 posts in 618 days


#11 posted 582 days ago

Lance, Are the top and bottom two separate pieces?

-- My Nickname is meant to be taken sarcastically... Sean, South Carolina

View pintodeluxe's profile

pintodeluxe

3268 posts in 1411 days


#12 posted 582 days ago

Wow, you really have to cut the support lips thin on that model. The inserts I made for my Jet are much thicker.
Hope they work well for you.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View Lance's profile

Lance

361 posts in 1124 days


#13 posted 582 days ago

No, it’s one solid piece of MDF.

-- Lance, Hook'em HORNS! ""V""

View RigorM's profile

RigorM

2 posts in 632 days


#14 posted 580 days ago

Wow ! great insert.. Just got this saw to replace my old delta shopmaster.. I must admit, i was a bit sad when I saw the thin sides the hold the plate.. good to see that its possible to make a zero insert :-)

I’ll duplicate one with some HDF I have left from my delta’s zero insert I made.

Thanks !

Jeff C.

View Mikeslb's profile

Mikeslb

1 post in 574 days


#15 posted 571 days ago

Lance, what do you do with the riving knife locking knob when using a dado set and the home made zero clearance insert, looks like the knob will hit in either position

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