Forrest 1/4 3/8 finger joint blade stuck together

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Forum topic by Putttn posted 01-11-2016 11:40 PM 707 views 0 times favorited 10 replies Add to Favorites Watch
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53 posts in 1701 days

01-11-2016 11:40 PM

Last year I purchased a Forrest 1/4-3/8 finger joint blade combo to use on my Saw Stop and Incra IBox. Just finally getting around to putting it all together and for some reason I can’t separate the two blades. Got the wax off but since I’m new to all this with the double blade I must be doing something wrong??

-- Bill eastern Washington

10 replies so far

View pintodeluxe's profile


4827 posts in 2236 days

#1 posted 01-11-2016 11:45 PM

Are the blades only stuck together, or stuck on a center post in their package? My dado sets sometimes get hung up on the post in their storage container. Once I worked them loose, I shaved down the diameter of the post a bit to make installation easier.

Good luck

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

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53 posts in 1701 days

#2 posted 01-11-2016 11:47 PM

Just the blades stuck together. And I mean they are really stuck.

-- Bill eastern Washington

View pintodeluxe's profile


4827 posts in 2236 days

#3 posted 01-12-2016 05:11 PM

Assuming nothing is wrong with them, they might just be stuck together with a vacuum effect like two plates of glass. Wax between the blades could have the same effect. Try compressed air, then some light oil to separate them. Don’t pry them apart.

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

View ChuckV's profile


2872 posts in 2950 days

#4 posted 01-12-2016 07:32 PM

You say that you purchased the blades last year. That could be anywhere from less than two weeks ago to over a year ago. If it has been a fairly long while, I wonder if some material used to protect the new blades has become very sticky. You could try giving Forrest a call.

-- “And the products of wealth push you along on the bow wave of their spiritless undying selves.” ― I. Anderson

View builtinbkyn's profile


650 posts in 363 days

#5 posted 01-12-2016 08:03 PM

Maybe heat from a blowdryer? Nothing too hot, but enough to make what ever is binding them less viscous.

-- Bill, Yo! Brooklyn :)

View 716's profile


502 posts in 339 days

#6 posted 01-12-2016 09:10 PM

-- It's nice!

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53 posts in 1701 days

#7 posted 01-12-2016 09:37 PM

Yeah. I spoke w/Forrest blades and they suggested WD 40 and stay away from heat. Only problem is these two blades are really fused together and I’m not seeing anywhere to get the WD 40 to penetrate. I took my cheater glasses and a bright light to see if there was any type of opening and none. I’ll try it and see what happens.

-- Bill eastern Washington

View bandit571's profile


14084 posts in 2106 days

#8 posted 01-12-2016 09:55 PM

Throw them into the freezer overnight….

-- A Planer? I'M the planer, this is what I use

View jusfine's profile


2405 posts in 2348 days

#9 posted 01-12-2016 10:28 PM

I think I would try a couple pine wedges (maybe cut from a 2×4). Split it to make two small wedges.
There is no way they will bend the blades. I have the same set, they were stuck together but maybe not quite as bad as yours.
Tap them in from opposite directions, might just be suction and it may pop apart.

-- Randy "You are judged as much by the questions you ask as the answers you give..."

View gfadvm's profile


14932 posts in 2113 days

#10 posted 01-13-2016 01:09 AM

I’d tap a couple of finish nails in from each side. You shouldn’t hurt those blades at all as they are harder than the finish nails.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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