Blum blumotion tandem drawer slides - lessons learned

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Blog entry by Papple36 posted 01-23-2017 02:19 PM 718 reads 0 times favorited 2 comments Add to Favorites Watch

Blum tandem are the greatest, but are finacky to install
-First they are 3/4 longer than the stated length so be sure you have the vack to front clearance – ie an 18 inch drawer box needs 18 3/4 of space in the frame
-Next, be absolutely sure that your drawer box back hole is located correctly, or you will suffer the latches not connecting properly
-It f your drawer sides have any belly, you need to straighten that out
-Everything must be square and level
-Using 1/2inch front and rear sides on the drawer box affects your amount of closure setback vs usibg 3/4 stock
-When both sides click in, you are extatic, if not you are very frustrated with very few places to find help.
-A&H Turf has amazing prices on Blum, as I saw in Lumberjocks previously. You pay shipping but half the cost of Rockler for same slides @ 2x
-The 563H is for 5/8 and smaller and 563 F is for 3/4
I have resisted buying Blum’s drilling jig {$$excessive) but have come to realize that life is too short to debug my screwups, so I will use their solution to ensure that my notching and drilling are correct
I have done a fair number of drawers using ball bearing slides and euro slides, but the Blum Tandems are by far the best operating and satisfying solution.

2 comments so far

View magaoitin's profile


249 posts in 1551 days

#1 posted 01-23-2017 09:00 PM

Papple, your notes are gold.

I am in love with the BLUM line, but you hit it right on the head. It is all trial and error until you figure out the little quirks of their systems. Half the dimensions you need (what you listed above) are just not published in any of the literature.

I stumbled on a box of 21” Blumotion slides at an architectural salvage yard a couple years ago and got hooked on how wonderful they operated. Luckily the price I paid made me not mind the difficulty in figuring them out for the first set of cabinets I built. (they were selling them for $2 a slide, but you really had to hunt to find all of the orange locking device pieces)

I didn’t even know they had a jig system. I will have to look for that now that I need to build cabinets for my shop.

-- Jeff ~ Tacoma Wa.

View 000's profile


2859 posts in 1500 days

#2 posted 01-23-2017 09:21 PM

Actually they are very easy to use and not finicky at all, if you build them right like your supposed to.
The first ones are harder to figure out but then they become simple.
Hardest is drilling the hole in the back, use a forstner bit.
Every spec you need is in their installation download here

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