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Jet 12" jointer planer combo straight blade vs helical

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Forum topic by jmdeacon posted 05-24-2018 04:20 PM 1101 views 0 times favorited 7 replies Add to Favorites Watch
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jmdeacon

1 post in 147 days


05-24-2018 04:20 PM

Topic tags/keywords: question

I’m interested in the Jet 12” jointer planer combo. The JJP-12 comes with straight blades for $2299. The JJP-12HH comes with the helical blades for $3429, a difference of $1130.
Apparently you can buy the helical cutterhead (JJP12HH-071A) for $724. So, getting the JJP-12 and swapping out the cutter head would save $406. From looking on the Jet website, I could not see any spec differences between the two machines.
Am I misunderstanding anything? Is it hard to swap out the cutter heads? Are there other parts I would need to buy?


7 replies so far

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Aj2

1717 posts in 1943 days


#1 posted 05-24-2018 04:55 PM

Buy it with the head you want to keep and use. Those lite weight comb machine can be problematic with keep the tables coplaner. Let the factory do the table to the head alinement if you go with a Bryd head.
It’s is Not a easy thing to do. :(

Straight knifes are set to the outfeed table that keeps things in my world very simple.

-- Aj

View BroncoBrian's profile

BroncoBrian

791 posts in 2103 days


#2 posted 05-25-2018 10:19 PM

I would not get a combo unit. Do you really need a 12” machine? If you do, I would get the helical as is or call Jet and see if they tell you that it is really the same but with a head swap. I doubt it.

And, yes, you do want the helical!!! You are doing that right!

-- I'd like to see a forklift lift a crate of forks. It'd be so damn literal!

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Andre

2063 posts in 1951 days


#3 posted 05-25-2018 10:28 PM

Get the Helical head! IMHO unless you only skim finish small stuff the 12” combo Helical head is the only choice!
I only wish I had gone for the 16” one? Maybe when I get a bigger shop!

-- Lifting one end of the plank.

View William Shelley's profile

William Shelley

587 posts in 1614 days


#4 posted 05-25-2018 10:50 PM

I have a 16” combo unit. I would not buy a combo unit again even if I was even more cramped than I am now.

-- Woodworking from an engineer's perspective

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Andre

2063 posts in 1951 days


#5 posted 05-26-2018 04:00 PM



I have a 16” combo unit. I would not buy a combo unit again even if I was even more cramped than I am now.

- William Shelley

Just curious as to why?

-- Lifting one end of the plank.

View builtinbkyn's profile

builtinbkyn

2636 posts in 1085 days


#6 posted 05-26-2018 05:02 PM


I have a 16” combo unit. I would not buy a combo unit again even if I was even more cramped than I am now.

- William Shelley


Yeah I’m curious as to why you would not buy a combo machine again as well. Which 16” machine do you have?

-- Bill, Yo!......in Brooklyn & Steel City :)

View runswithscissors's profile

runswithscissors

2843 posts in 2170 days


#7 posted 05-27-2018 03:08 AM

I have that machine with the helical head. I like it a lot. It’s especially luxurious to have a 12” jointer. I bought mine from the Jet/Powermatic outlet store in DesMoines, WA (south of Seattle) for something like $1800. Of course it’s gone up since then.

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

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