Fix for Router Guide Bushings that Loosen

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Forum topic by Jim Crockett (USN Retired) posted 09-21-2010 05:18 PM 1609 views 0 times favorited 3 replies Add to Favorites Watch
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Jim Crockett (USN Retired)

852 posts in 3156 days

09-21-2010 05:18 PM

MLCS has begun selling a Bushing Spring/Lock Washers Set that prevents the nut on your Guide Bushings from loosening while you’re using the router. Personally I’ve never had this problem but have read many postings by people who have. For $5.95 for a set of two (free shipping always at MLCS), they would be great insurance; a loose bushing coming into contact with your router bit could ruin your whole day!!!


-- A veteran is someone who, at one point in his/her life, wrote a blank check made payable to "The United States of America," for an amount of "up to and including his/her life".

3 replies so far

View Rick  Dennington's profile

Rick Dennington

5107 posts in 2617 days

#1 posted 09-21-2010 05:29 PM

Greetings Jiom,

I too, have never had this problem with my guide bushings…..I bought mine years ago from MLCS, also.
The set I got are brass, and I just hand-tighten them on snug, and they never get loose….The brass
ring “bites” into the brass threads on the bushing…If you have the brass ones, I see no need for this
bushing/spring l.w. set…..Now the aluminum or metal bushings might be a different story, and could have
the tendency to loosen up…I don’t know….never used them….I stick with brass….much better…..

-- At my age, an "all--nighter" is not having to get up and pee...!!!

View Dan's profile


3630 posts in 2303 days

#2 posted 09-21-2010 07:41 PM

Rick- I had a different experience with my brass bushing. I got a brass bushing for use with my dovetail jig and the first time I used it I had no problems. When I went to use again it worked well at first but during use I heard the horrible sound of the bushing coming loose and my bit cutting the crap out of it. I thought maybe I didn’t make it tight enough so I put it back on as tight as I could and continued, it then happened again shortly after. I was very puzzled as to why it came loose. I ended up buying a new bushing made of steel and never had a problem with that one. I do still use the brass bushing and I have yet to have any issues with it. I only had problems that one time. The only thing I can think of that may have caused it to come loose was maybe the the depth of my cut was deep enough for the router nut/collate to slightly graze the brass nut on the bushing which may have knocked it loose. Just to make sure, every time I use the bushing I make sure that the router collate nut has a decent amount of distance from the nut on the bushing.

I would like to have the lock washer set though just to be safe. Now when using any bushing I check it for tightness every time I turn the router off before I turn it on again. Its better safe then sorry.

-- Dan - "Collector of Hand Planes"

View Rick  Dennington's profile

Rick Dennington

5107 posts in 2617 days

#3 posted 09-21-2010 07:52 PM

Greetings Dcase,

That is strsange that it only happened once, which I’m glad no more….Something was amiss there to cause it to do that…Like I said.. I’ve used mine for years, and no problems….It could of been what you said, though.

-- At my age, an "all--nighter" is not having to get up and pee...!!!

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