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Drawer slides for wide shop cabinet drawers

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Forum topic by Upontheridge posted 05-18-2020 01:55 PM 835 views 0 times favorited 51 replies Add to Favorites Watch
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Upontheridge

16 posts in 32 days


05-18-2020 01:55 PM

Topic tags/keywords: shop cabinets wide drawers

My first attempt at building cabinets of any type. These will be for my garage shop. I decided on two sets of 48 inch outside dimentsion wide cabinets that will have 4 drawers. Started looking for drawer slides such as (KV8600 series 150 lbs load) and find that they recommend max drawer width of 36 inches. Does anyone have any recommendations for alternate drawer slides that will work better with a wide drawer. In reading about wide drawers it seems the issue is the drawers will put side to side a bit. Since these will be shop drawers that won’t get used like a kitchen cabinet everyday will the KV8600’s work. Drawers will be built out of the 11/16 plywood for sides and bottoms. Plan to have a rabbet joint for the bottom to the sides and two handles on the drawers.


51 replies so far

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JackDuren

1151 posts in 1694 days


#1 posted 05-18-2020 03:39 PM

For a drawer that wide look at 200lb rating. In a drawer 200lb there’s a lot of wiggle I would suggest mounting the drawer guides to the upper half of the drawer for more stability…I would also suggest partitions in the center and you can probably use 100lb rated drawer guides on the cheap….

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CaptainKlutz

3013 posts in 2229 days


#2 posted 05-18-2020 07:36 PM

+1 Jack – slides on upper half of drawer box and adding a divider for 24 in drawers makes life simpler.

Unless you drawers are only 2-3 inches high, afraid even 200lb rated may not be enough? I use 200lb rated Fulterer slides for most my shop cabinets, and I wouldn’t recommend them for 48” wide drawers. The 250lb rated would be my recommended minimum?

FWIW – Commercial drawers built for back of SUV’s are 48” wide and they use 500lb rated slides. Prices for these super HD 500lb slides start at ~$100 per set. Unless you absolutely need to have 48” wide drawers, using 8 smaller drawers using 100lb slides costing $10-15/set would be near same as ONE HD set of slides?
Food for thought.

Best Luck.

-- If it wasn't for bad luck, I wouldn't have no luck at all, - Albert King - Born Under a Bad Sign released 1967

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LeeRoyMan

1060 posts in 461 days


#3 posted 05-18-2020 08:37 PM

It’s my opinion that the guides you want to use will work fine. The only problem you have is like you said, the side to side movement which is mostly opening and closing them. You just have to be a little more diligent on keeping them straight as you push them in and pull them out.

I don’t see any negotiable difference where on the drawer you mount them.
Other than opinion maybe someone could show me some specs on it.

-- I only know what I know, nothing less, nothing more -- That doesn't count what I used to know..

View Redoak49's profile

Redoak49

4642 posts in 2723 days


#4 posted 05-18-2020 08:46 PM

I built shop cabinets a number of years ago and went through the various width drawers. I started with 32” or 3 6” drawers . Eventually, I went with 24” wide drawers and very happy with them and cost of slides.

You might consider changing to a 22 or 24” drawers. You could easily modify your case to do this.

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BlasterStumps

1636 posts in 1174 days


#5 posted 05-18-2020 09:23 PM

Home Depot (and other sellers) sell a 46 in. 9-Drawer Mobile Workbench with Solid Wood Top and 1,200 lbs. Capacity (100 lbs. per drawer). Looking at your drawing, looks like it would be just the ticket, if you are not against buying a metal cabinet for that location. I’m not necessarily trying to discourage you in building your version of that base cabinet. Just presenting another option.

-- "I build for function first, looks second. Most times I never get around to looks." - Mike, western Colorado

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Upontheridge

16 posts in 32 days


#6 posted 05-19-2020 02:54 AM

Thanks for the input. Will reconsider 24 wide drawers. Have always liked lateral file type drawers and didn’t figure wide drawers would be an issue. Don’t want metal cabinets but thanks for the suggestion.

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CaptainKlutz

3013 posts in 2229 days


#7 posted 05-19-2020 03:28 AM

Don’t let me scare you away from wide drawer. :-0)

It is not an issue to have wide drawers, just expensive compared to alternative, IME.

The few lateral files I have built used 200lb rated slides with max width of 42”. The slide load rating reduces with wider/longer drawer. Typically spend $50-60 per pair for 2 tier over travel variety rated for file cabinets.

If you want/need wide drawers, then build them; just be prepared for sticker stock when it comes to buying hardware, especially if want to store heavy power tools in the drawers.

Best Luck!

-- If it wasn't for bad luck, I wouldn't have no luck at all, - Albert King - Born Under a Bad Sign released 1967

View LeeRoyMan's profile (online now)

LeeRoyMan

1060 posts in 461 days


#8 posted 05-19-2020 01:49 PM


The slide load rating reduces with wider/longer drawer.

- CaptainKlutz

This makes no sense to me, not trying to be stupid, just can’t see why?

-- I only know what I know, nothing less, nothing more -- That doesn't count what I used to know..

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CaptainKlutz

3013 posts in 2229 days


#9 posted 05-19-2020 05:08 PM


The slide load rating reduces with wider/longer drawer.

- CaptainKlutz

This makes no sense to me, not trying to be stupid, just can t see why?

- LeeRoyMan

IMHO – It’s due the marketing game played with specs, and yes it violates sound thinking.

Read the slide spec sheets closely.
- The xxx lb ratings are typically based on shortest slide they sell. Often when they sell 10 in to 32 in slides, the longest versions have up to 20-40% less load capacity of the shortest rated length.
- The slides are rated based on given side load angle, based on maximum drawer width with recommended wood thickness. The wider drawer allows more sag, and changes the load angle on brackets/bearings. When you change the loads from vertical plane on screws to side load on metal supporting the bearings, the numbers change. While you can make drawer box stronger with thicker materials, the marketing spec is for standard box configuration.

Challenge is not everyone de-rates in both slide length and drawer width. Many mfg specify a max drawer width as wider drawers create more than load rating issues. As already mentioned – wide drawers can rack that allows drawer to pull out further on side than other, putting side loads on stamped metal slides/bearings.
Another challenge is wide drawers with heavy loads sag more. The drawer face needs to have larger bottom clearance to deal with sag, or you have to used thicker/stronger materials with reinforcements to design.

IMHO – large/wide/tall drawer boxes are PIA. You can not just grab the most affordable slide that fits and use it. Large drawers require more engineering to ensure you get same over-designed operation typically found on small drawer.

YMMV

-- If it wasn't for bad luck, I wouldn't have no luck at all, - Albert King - Born Under a Bad Sign released 1967

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LeeRoyMan

1060 posts in 461 days


#10 posted 05-19-2020 07:36 PM

The only guides I had were the KV 8500 Series.
The 8600 Series, I think would work better.
The drawer is 16×49

In the video you can see the racking that has been mentioned.
Straight in and out rolled pretty good.
I could see these working just fine with minimal usage.
The life may not be as long, but who knows.

If I had wide things to put in the drawer, I wouldn’t think twice.
If not, I would rather use smaller drawers not as wide.

As CK says, YMMV

-- I only know what I know, nothing less, nothing more -- That doesn't count what I used to know..

View Rich's profile (online now)

Rich

5525 posts in 1324 days


#11 posted 05-19-2020 07:42 PM

Regarding the racking, I might consider adding a guide runner or two underneath. Just three sticks each, much like a miter bar running in the slot on the table saw, maybe with some low friction tape to allow a bit tighter tolerance.

I have no idea how well it would work, but heck, I’d give it a shot.

¯\(ツ)

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

View JackDuren's profile

JackDuren

1151 posts in 1694 days


#12 posted 05-19-2020 07:47 PM

I’ve stayed away vfro the KV slides because of the smaller bearings. I had several come out over the years on a chest of drawer I made. Never had the problem with the larger bearing glides. Don’t know if all are like that for KV but I stayed away…

As far as the racking it’s always been my understand the higher the drawer guide the better on full extension .-we tend to put them on the very bottom as its easier but I found they actually work better from the top.

View LeeRoyMan's profile (online now)

LeeRoyMan

1060 posts in 461 days


#13 posted 05-19-2020 07:54 PM


As far as the racking it s always been my understand the higher the drawer guide the better on full extension .-we tend to put them on the very bottom as its easier but I found they actually work better from the top.

- JackDuren

A drawer that wide, it’s not going to matter where on the drawer you put it.

-- I only know what I know, nothing less, nothing more -- That doesn't count what I used to know..

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JackDuren

1151 posts in 1694 days


#14 posted 05-19-2020 07:59 PM

I read it on a manufactures site one time. But I can’t verify it as I don’t remember which one. I have tried it on my of my drawers and it had worked great…

I would never do a 48”. I have done large drawers for companies in commercial but not anything other than narrow drawers for drawings. Nothing with large height for large tools..

View LeeRoyMan's profile (online now)

LeeRoyMan

1060 posts in 461 days


#15 posted 05-19-2020 08:06 PM

Blummotion guides have a stabilizer rod that says they’re good up to a 53” wide drawer.

-- I only know what I know, nothing less, nothing more -- That doesn't count what I used to know..

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