Where can I find Hettich Quadro IW Silent System undermount drawer slides?

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Forum topic by Lloyd Davies posted 05-21-2009 03:31 AM 10709 views 1 time favorited 9 replies Add to Favorites Watch
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Lloyd Davies

116 posts in 3528 days

05-21-2009 03:31 AM

Topic tags/keywords: hettich drawer slides drawer slides undermount accuride blumotion blum

Hi All,

I was reading the June 2008 FWW article on undermount drawer slides and I want to get some of the Hettich drawer slides they mentioned. The were less than half the price of the Accuride and Blum slides and seemed to have the same functionality. The Hettich website is USELESS. They don’t have a list of dealers or tell you where you can actually buy their products!! Also on the website they have IW20 drawer slides (partial and full and IW21 drawer slides and I cannot for the life of me figure out what the difference is between the two; of course they don’t say.

I live in Los Altos, California. Can anyone help me out here? I need to buy local in case I have to return them.


-- Northern California

9 replies so far

View a1Jim's profile


117330 posts in 3779 days

#1 posted 05-21-2009 03:45 AM

You might get them from Lewis n company

-- wood crafting & woodworking classes

View FredG's profile


139 posts in 3899 days

#2 posted 05-21-2009 04:31 AM

View Lloyd Davies's profile

Lloyd Davies

116 posts in 3528 days

#3 posted 05-21-2009 10:48 PM

Thank you all for your responses. I ended up calling Hettich and they suggested MacMurray Pacific. I called MacMurray up and they have a will call door and probably have what I need. Thanks all.

-- Northern California

View Lloyd Davies's profile

Lloyd Davies

116 posts in 3528 days

#4 posted 05-22-2009 12:31 AM

If you PM me your email address I’ll send you the F W W review comparing them all. It does not get into the specifics of why Hettich is less than half the price. It will take me a while to get my project together enough to write any kind of review.

-- Northern California

View AlemaCabinetHW's profile


1 post in 3494 days

#5 posted 05-22-2009 04:07 AM

Hey guys, I noticed your thread and thought I could help clarify some things about the Quadro slides.

The Quadro IW20 and IW21 slides are very similar. When it comes time to use them, the only real difference you will find is that the IW20 slide family is available in 2” increments whereas the IW21 slides only come in 3” increment sizes.

Consequently, the IW21 slides can also act as drop-in replacements for Blum Tandem slides.

For the technically curious, the 20 and 21 come from the distance in mm between the inside edge of the cabinet and the inside edge of your drawer box. Both slides still give you a max 16mm thickness for your drawer side though.

-- Armen, Alema Cabinet Hardware since 1982,

View Joel_T's profile


1 post in 3445 days

#6 posted 07-10-2009 04:51 PM

Anyone would probably want the IW21. I’ve never really understood the reasoning behind the IW20. An important downside difference is that the IW20’s hole pattern is 2mm off from everything else. Setback 35mm instead of typical 37mm. It’s a shorter cabinet member too so you may need a third row of system holes. Also I’m told the faceframe guys can’t/don’t use it because there’s no socket avauilable for rear mounting cabinet member.

View chuck55's profile


1 post in 3334 days

#7 posted 10-29-2009 09:52 PM

The big difference between the two is the load. 75lbs for 21, 100lbs for 20. I’m guessing the 21 was made later to knock off the blum. I think the hettich is a better design, but blum is just better known. It’s like coke and pepsi. Blum stores can’t sell hettich and vise vs..

View HeirloomWoodworking's profile


238 posts in 3942 days

#8 posted 10-30-2009 03:56 AM

If I am not mistaken the undermount glideds that I purchased from Rockler, for a recently completed new kitchen, were from Hettich.

However, the Rockler price is quite a bit more $$ (surprize?) than the links that others have supplied to above .

The Rockler catalog does not list them as being Hettich brand, but when I needed technical assistance, I was directed by Rockler to Hettich. So as far as model number of these glides, I am not much help.

The installation required some head-scratching on the first drawer, but after I overcame the learning curve, they were a cinch to install and adjust.

Good Luck

-- Trevor Premer Head Termite and Servant to the Queen - Heirloom Woodworking

View 1handyman's profile


1 post in 3272 days

#9 posted 12-30-2009 06:56 PM

Can anyone tell me if the drawer retainer clips for the IW20 and IW21 are compatible/interchangeable? Thanks

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