IKEA · Dressers & Drawer Units
How to assemble IKEA ALEX Drawer Unit/Drop File Storage
Step-by-step IKEA ALEX Drawer Unit/Drop File Storage assembly: 24 illustrated steps, an animated video, the hardware list and the tools you need — following the official instructions (AA-2604779-3).
- 24 illustrated steps
- 40 steps in the manual
- 3:25 video
- 36×58×70 cm

What you need
Tools
- Phillips screwdriver
- Hammer
Hardware in the box
| Part no. (as printed in the manual) | Qty |
|---|---|
| 118331 | 28× |
| 101345 | 30× |
| 102509 | 18× |
| 103114 | 10× |
| 110519 | 16× |
| 113928 | 12× |
| 105021 | 6× |
| 109041 | 2× |
| 102372 | 4× |
Step-by-step assembly

Step 1 · manual step 1–2
Take the 2 runners (125317) apart; screw one onto a side panel.
Lift the catch and pull out the inner rail — keep it for step 37. 3 screws (113928), side lying on the rug.

Step 2 · manual step 3–5
Add 6 cam bolts, 2 dowels and 2 glide strips to the side.
Cam bolts (118331) by hand; dowels (101345) in the top edge; strips (102372) under the bottom edge.

Step 3 · manual step 6–8
Push 4 dowels into the back panel and set it on the cam bolts.
Lock it with 3 cam locks (102509) — turn them clockwise.

Step 4 · manual step 9–11
Fit the bottom panel the same way and lock it.
4 dowels (101345) in its ends, then 3 cam locks (102509).

Step 5 · manual step 12–15
Prepare the second side panel the same way.
Runner with 3 screws (113928), 6 cam bolts, 2 dowels and 2 glide strips.

Step 6 · manual step 16–17
Lay the second side on top and lock it with 6 cam locks.
3 locks (102509) in the back panel and 3 in the bottom panel.

Step 7 · manual step 18
Screw 6 cam bolts (118331) into the top panel.
Turn them in by hand, all the way.

Step 8 · manual step 19
Turn the unit onto its back and push the top panel on.
The cam bolts and dowels go into the holes in the side edges.

Step 9 · manual step 20
Lock the top with 6 cam locks (102509), 3 in each side.
Turn them clockwise to pull the top tight.

Step 10 · manual step 20
Stand the unit upright.

Step 11
Now the drawers.
3 small drawers, all built the same way, and the file drawer.

Step 12 · manual step 21–23
Join the 2 sides to the drawer front.
2 cam bolts (118331) in the front, a dowel (101345) in each side, then 2 cam locks (103114).

Step 13 · manual step 24–25
Slide in the bottom and the back; tap in 4 screw-dowels.
2 screw-dowels (110519) on each side, with the hammer.

Step 14 · manual step 21–25
Turn the drawer over and build the other 2 the same way.

Step 15 · manual step 26
Pull the runners out and slide the 3 drawers in.
Rest each drawer on its runners and push it all the way in.

Step 16 · manual step 27
Fix each drawer to its runners with 2 screws (105021).
Pull the drawer out, screw, push it back in — 6 screws in all.

Step 17 · manual step 28–29
File drawer: push 4 dowels into the rail and 4 into the back.
Wooden dowels (101345), 2 in each end.

Step 18 · manual step 30–32
Join the sides, rail and back; slide the bottom in.
Tap 4 screw-dowels (110519) through the sides into the back first.

Step 19 · manual step 33–35
Fit the front: 4 cam bolts, onto the dowels, 4 cam locks.
Cam bolts 118331 in the front, 4 dowels in the side ends, then locks 103114.

Step 20 · manual step 36
Screw the wheel (111402) on with 2 screws (109041).
It goes on the underside, just behind the front — see the manual, step 36.

Step 21 · manual step 37
Screw an inner runner rail onto each side.
The rails from step 1 — 3 screws (113928) per side. Check the direction in the manual, step 37.

Step 22 · manual step 38
Slide the file drawer in on its runners.
Push it all the way in.

Step 23 · manual step 39
Hang the 2 file rails (107246) on the drawer sides.
Push a rod (10141712) into each rail — see the manual, step 39.

Step 24 · manual step 40
Stick the 4 felt pads (102384) on the top corners.
The manual shows them under a desk top.
Tips & safety
- Never stack two units on top of each other. The manual warns against it on the last page.
- Assemble on a soft surface. A rug or the cardboard box protects the panels from scratches — manual page 2.
Official instructions
This guide follows IKEA’s official assembly instructions (AA-2604779-3). Keep the printed manual to hand — if anything differs, the manual is right.



