Ridgid EB4424 spindle washer thingies. What are they called and where to get them?

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Forum topic by dbhost posted 04-22-2014 06:09 PM 637 views 0 times favorited 4 replies Add to Favorites Watch
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5590 posts in 2649 days

04-22-2014 06:09 PM

Topic tags/keywords: question

Okay I am not sure I am using the right terms here sorry…

I have the Ridgid EB4424 oscillating belt / spindle sander, and I love the thing. I seem to have managed to loose the smallest of the washers used to compress the spindle under the counter threaded star knob…

What is that washer actually called, what size is it supposed to be and where can I get one?

-- My workshop blog can be found at

4 replies so far

View kdc68's profile


2526 posts in 1694 days

#1 posted 04-22-2014 06:43 PM

Not sure what it’s called…retaining washer ??...I have the same sander. I’m at work now so I’m trying to picture the size in my memory…. Maybe…perhaps a fender washer from the hardware store might work as a replacement

-- Measure "at least" twice and cut once

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5590 posts in 2649 days

#2 posted 04-22-2014 07:15 PM

It’s actually the smallest one I am missing. Just barely bigger than a metal O ring…

-- My workshop blog can be found at

View wncguy's profile


327 posts in 1729 days

#3 posted 04-22-2014 07:26 PM

I have same sander too & very happy with it. I was lucky & found right diameter in my nuts, bolt, washer collection. Mine’s 5/8” OD & 5/16” ID. If you have a good hardware place should be able to buy one, but buy two cause you’ll lose another one. I have a local Ace Hardware & they have a great selection of screws, nuts, bolts, etc that you can buy one or two.

Last week I went there and found a reverse thread nut (I think it’s 5/16” & a 24 tpi fine thread) that I can use instead of the hand star knob when I’m doing smallest spindles in thick wood… works great. Can’t use the star knob since it is larger than the spindle dia.

All else fails, you can probably order from Ridgid.

-- Any man can be a father, but it takes someone special to be a Dad

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5590 posts in 2649 days

#4 posted 04-22-2014 07:28 PM

Yeah, I just mostly needed the size…

My local Ace might just have the right thing. Home Depot sure doesn’t, nor do they have a clue…

-- My workshop blog can be found at

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