A batch of twenty drawer boxes lands in the queue the same week the cabinets for that job need to be assembled, sanded, and loaded for install. Somebody has to give. Outsource the boxes when a supplier can hit the specification and the arrival date, and the delivered price is covered by costs you'll actually stop paying or by work you can finish with the time you get back. That test works for a single tight job, for overflow during a busy season, or for making purchased boxes your standard practice.
The person who's busy all day is often a different person from the one whose bench decides when a cabinet job ships. The Lean Enterprise Institute describes a bottleneck as the step that sets the output of the whole operation, and it warns that speeding up a step somewhere else changes very little. So before you price a single box, figure out whether drawer production sits on that constraint.
Walk the drawer job through your shop step by step: stock preparation, ripping and crosscutting sides, cutting the joinery, grooving for bottoms, assembly, sanding, finishing, and a final check. Put a name and a machine next to each step. Then ask which of those names shows up again when you list the reasons the last three jobs went out late.
If the same person who cuts dovetails also hangs doors, fits face frames, and drives to the site, drawer boxes are competing with the work that completes a kitchen. If an apprentice builds them on a bench nobody else needs, they're probably not what's slowing you down, and outsourcing them frees a resource you already have plenty of.
Finish this step by naming what the freed resource would do instead. "Finish the sanding on the Miller job two days earlier" gives the freed time a job. "Take on more work" gives it nothing to do until a sale shows up. Removing one constraint also tends to expose the next one. If the jobs behind the drawers are waiting on site approvals or an installer's calendar, purchased boxes move the drawer problem off your bench and leave the completion date where it was.
One late job can be bad luck. When drawer boxes delay confirmed install dates two or three times in a row, you have a capacity problem and the boxes are part of it. If pulling the boxes out of the queue lets you move case assembly, face-frame fitting, or install prep forward by days, the released time has a use you can name and a value you can put on that job.
On a small run, cutting the joints is rarely where the time goes. A batch of eight boxes in three sizes still needs stock milled, the joinery setup dialed in and test-cut, bottoms grooved, glue-up and clamps, three rounds of sanding, and a finish schedule with dry time between coats. Track a real batch from rough stock to a box you'd put in front of a client, and include the hours spent waiting on lacquer.
Compare that number against the same scope from the supplier. Eagle's standard dovetail box arrives assembled, sanded, and finished with clear pre-catalyzed lacquer on the sides. The front and back of the box are unfinished unless you order an exposed finished front. If your quote is for unfinished boxes, the finishing hours stay in your shop and belong on your side of the comparison.
Some shops build routine boxes efficiently and only hit trouble when demand spikes or a job calls for something unusual. For overflow, identify which orders exceed what your crew can build inside the schedule, and buy those.
For specialty work (U-shaped boxes for sink bases, built-in dividers, a species you don't stock), check three things before you count on the supplier. First, that the material or configuration is available. Eagle stocks maple in 1/2-inch and 5/8-inch sides and white oak and walnut in 1/2-inch sides; other combinations may be a special order. Second, that a custom layout can be drawn and confirmed. Third, that the box construction and bottom will work with the slides you plan to run. Get the quote confirmed before you build a schedule around an odd material or geometry.
A unit price from a supplier and a cost per box from your own records rarely measure the same thing. Compare the same quantity, dimensions, materials, finish, machining, and assembly state on both sides, and include the work that remains after the boxes exist.
Managerial accounting splits costs into avoidable costs, which change with the decision, and unavoidable costs, which continue either way. Your dovetail jig, the wide-belt sander, the shop lease, and the insurance don't get cheaper because a truck delivered the boxes this month. Material, glue, sandpaper, lacquer, and any overtime or subcontract labor you'd stop paying do count. So do the supplier's price, the freight, and the time to write the order, receive it, and check it.
Payroll is where shops fool themselves. If your lead builder spends twelve fewer hours on drawer boxes and you're still paying him for the week, the wages for those hours are still going out, and the gain is twelve hours of his time. That's real value, but it belongs in a separate column from cash savings, and it's only worth what he does with it. Value any extra work by its margin after added costs, and never count the same hours as both a saving and a capacity gain.
|
Comparison item |
Make in-house |
Buy drawer boxes |
|
Scope |
Actual material use, yield, and purchased hardware |
Specified boxes plus any options or slides you add |
|
Effort |
Setup, cutting, joinery, assembly, sanding, finishing, inspection |
Ordering, receiving, checking, and whatever assembly remains |
|
Cash that changes |
Material, consumables, and labor you'd stop paying |
Supplier charge, freight, and added handling |
|
Time still on payroll |
Hours that open up (capacity, and a cash saving only if payroll changes) |
Ordering, checking, and installation hours still needed |
|
Equipment and overhead |
Continues regardless |
Continues regardless |
|
Released capacity |
The work currently delayed |
The work that can now get done |
|
Schedule |
Internal queue to finished box |
Approval, production, transit, receiving |
|
Corrections |
Your scrap and remake history |
Trial results and how issues get handled |
A NIST manufacturing blog post on sourcing decisions makes the same point from the buying side: unit price leaves out freight, lead time, inventory, and the cost of managing a supplier. Eagle adds shipping at shipment unless you ask for it in the quote, so request the freight figure before you compare.
A dedicated dovetail machine or a CNC upgrade is a separate decision: a bet on recurring workload over years, with financing, floor space, and maintenance attached. Run it on its own numbers, and don't let a machine you already own argue against buying boxes for a job it can't get done in time.
An order that arrives on the wrong date, or in the wrong size, hands the time you expected to save straight back to the shop floor. Settle the specification and the schedule before you release the order, and treat them as one decision.
On specification, freeze these before you request the quote:
On schedule, work backward from the day the boxes have to be on the bench for fitting. Eagle's drawer page lists a typical lead time of about one week, and the current production lead time comes with every quote and order acknowledgement. Transit is on top of that, and so is the day you need to receive, count, and check the boxes against the order. Add time for any open question about a nonstandard detail. Three people at Eagle review each order and will call before production if something is unclear, which catches a bad spec early and costs a day if you weren't ready for it.
The boxes are also one shipment among several. Decorative drawer fronts are ordered separately through the doors process, and slides and other hardware ship separately from the wood. All three need to be on hand before you schedule the drawer install, so put each one on the job calendar with its own date.
The order review checks the order for consistency; it doesn't verify your jobsite measurements, so field fit stays with you. Measure carefully, and build the fit check into your receiving step.
Emily Appenzeller of Appenzeller Woodworking built her own drawer boxes when she started. As her projects grew into larger kitchens, drawer production began to crowd out other work in the shop, and she moved box production to Eagle. In the case study Eagle published, she credits the change with giving her labor and capacity back for client work.
The account comes without a job-cost ledger to compare against yours. The sequence is the one this article describes: a constraint that surfaced as jobs got bigger, a named use for the time, and a supplier that met the specification.
The story we hear most from shop owners isn't about unit price - it's about the weekend. The drawer boxes sat at the bottom of the job list all month, casework and install prep kept winning the daylight hours, and suddenly install is Monday and ten boxes don't exist yet. So the owner builds them Saturday and Sunday, hits the date, and counts the job a success - because those hours never land on any tally. That's the labor accounting gap this article describes at its most concrete: the boxes got built with the most expensive hours in the shop, the owner's own, at a moment when they had zero alternative uses, and the job sheet says the drawers were free.
If that weekend sounds familiar, the fix is mostly a calendar fix. The drawers kept losing to other work because they're the part of the job that doesn't need your shop at all - so let them not need it. Ordered when the casework starts instead of when it ends, boxes arrive during the build at a price you knew at quote time, and the weekend goes back to being a weekend. Run the comparison this article lays out, but put an honest number on those Saturday hours before you call your own boxes cheaper.
Plenty of shops should keep building boxes, and the same test tells you when.
Spare capacity on the people and equipment that build drawers, an established process that turns out consistent boxes, and low avoidable costs all argue for keeping the work. If the hours you'd free have nowhere useful to go, you'd be paying a supplier for time you can't use.
A requirement no supplier can meet settles it faster. That might be a construction or joint type outside the supplier's catalog, a finish that has to match something coming out of your booth, a species that's a special order with a lead time your schedule can't absorb, or an arrival date the quote can't hit.
A job that's still moving is a reason to hold the order. If the client hasn't signed off on the layout, or the site measurements are a week away, you can't freeze the box dimensions, and an order placed on estimated numbers is a remake waiting to happen. Build those boxes yourself after the numbers settle, or delay the order until they do.
The decision can split within a single job. A shop might build its standard four-sided boxes on a Tuesday afternoon with no trouble and send the U-shaped sink-base drawer and the two oversized pantry boxes out for quote, because those are the ones that would eat a day of setup. Make the call per batch and per configuration, and you'll usually land on a mix.
Test the numbers on one order before you change how the shop operates. Pick a job that looks like your typical work: the usual sizes, the usual species, the slides you normally run. Eagle has no minimum order and will send samples, so a first order can be as small as one batch from one job.
Record what happens:
Then judge the order on completed work. Did the cabinets ship sooner, or did the effort shift to a different bench and leave the job the same length? Compare like with like; a specialty batch and a routine batch are different tests even when both had twelve boxes.
One order is enough to decide the next step, and the next step is usually a mix: a supplier held in reserve for overflow, a supplier used for configurations that are painful to build, or a supplier used for routine boxes so the shop can put its bench time on cabinets. Two or three more orders will tell you which of the three you're in.
The decision comes down to four checks, in order. Can the supplier meet the specification? Can the boxes, fronts, and hardware all arrive when the job needs them? Is the delivered price covered by costs you'll actually stop paying? And does the time you free have a named job waiting for it? Four yeses and you outsource that batch. A no on either of the first two ends the conversation, and a weak answer on the last two means the numbers probably favor your own bench.
When you're ready to run that comparison on a real job, Eagle builds custom dovetail drawer boxes built to your specifications and sends the current production lead time with every quote. Request a quote for your next representative batch with confirmed dimensions, species, finish, and slide model, and you'll have the numbers to decide.
There's no universal answer. Compare the same scope on both sides: quantity, dimensions, material, finish, and assembly state, plus the work that remains after the boxes exist. Count only the costs that change with the decision; equipment and overhead continue either way. Treat hours that open up on payroll as capacity, and value them by what your shop does with them. Then add freight and handling to the supplier's price and see which side comes out ahead for that batch.
Yes. Eagle has no minimum order, so a first batch can be a handful of boxes from one job. Order size alone doesn't make outsourcing worthwhile, though. A small batch still has to pass the specification, schedule, and cost checks, and a small order is the best way to test all three before you commit more work.
Only when two things are true. The full supplier timeline, including quote approval, production, transit, and your receiving day, has to fit inside your schedule, and the drawer work you remove has to be the work that was constraining the job. If your cabinets are waiting on an installer, purchased boxes will arrive on time and the job will still wait.
Yes. Eagle builds to the box dimensions you specify, and you can supply your own compatible slides instead of adding them to the order. Before you order, confirm the slide model, the clearance it needs, the bottom configuration, and any notching or machining the slide requires, because they vary by slide system.
For Eagle, the standard product is the box: assembled, sanded, and lacquered on the sides. Decorative drawer fronts are a separate product ordered through the doors process, and slides are an optional add-on that ships separately from the wood. Confirm the scope of any supplier's quote instead of assuming a complete drawer package.