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This mobile workbench is the perfect solution for a 3-in-1 assembly table, outfeed table and storage area for your shop.
| Part | Qty | T × W × L | Material | ✓ |
|---|---|---|---|---|
| Frame Long Sides | 4 | 1" × 3" × 96" | — | ☐ |
| Frame Short Pieces | 6 | 1" × 3" × 41" | — | ☐ |
| Bottom Shelf | 1 | 3/4" × 48" × 96" | — | ☐ |
| Legs | 4 | 3" × 3" × 26" | — | ☐ |
| Workbench Top | 1 | 3/4" × 48" × 96" | — | ☐ |
| Workbench Top Long Trim Supports | 2 | 1" × 3" × 96" | — | ☐ |
| Workbench Top Short Trim Supports | 2 | 1" × 3" × 51" | — | ☐ |
| Divider Shelf | 1 | 3/4" × 26" × 48" | — | ☐ |
| Side Panels | 2 | 3/4" × 13" × 26" | — | ☐ |
| Cubby Shelf | 1 | 3/4" × 13" × 41" | — | ☐ |
| Item | Qty | ✓ |
|---|---|---|
| Plywood, 3/4" Thick Full Sheet | 3 board | ☐ |
| Board, 4x4 72" | 2 board | ☐ |
| Board, 2x4 96" | 9 board | ☐ |
| 2 1/2" Kreg Pocket Hole Screws | 48 each | ☐ |
| 1 1/4" wood screws | 54 each | ☐ |
| 3" wood screws | 8 each | ☐ |
| 2 1/2" wood screws | 30 each | ☐ |
| 2" wood screws | 20 each | ☐ |
| 1 1/4" Kreg Pocket Hole Screws | 22 each | ☐ |
| 3" Casters | 6 each | ☐ |
| Set Kreg Clamp Traks | 1 each | ☐ |
Overall cost: $$$$. Lumber varies by region, species, and season, so we give a band rather than a figure.
Cut the frame pieces according to the cut list and assemble two frames using 1 1/2" pocket holes and 2 1/2" pocket hole screws like shown. These frames should be 4'x8' overall. However, if you want a smaller workbench, simply adjust the size of this frame and cut your plywood in the next steps to fit the size you made your frame.
Screw a 4x8 sheet of 3/4" plywood onto the frame using 1 1/4" wood screws like shown around the outside edge. If you wanted a smaller workbench, just adjust your frame size from step 1 and cut your plywood here to fit your new frame.
In hindsight, it might have been easier to attach these legs from the top by drilling 1 1/2" pocket holes into the 4x4 posts and screwing into the bottom shelf and frame using 2 1/2" pocket hole screws. But, that didn't cross my mind until after the fact. So you can do it that way (recommended), or you can place your bottom shelf up on a pair of Kreg Track Horses and screw the legs in on the corners from the bottom using 3" wood screws like shown here. Either way you attach, cut four 4x4 legs according to the cut list and attach them at the corners of the bottom shelf. Also, the total bench height is 34 1/2" to match my table saw height. If you wish for a shorter bench, adjust the length of your legs in this step.
Next, to make this workbench mobile, I attached six 3" casters along the bottom of the bottom shelf using 1 1/4" wood screws. Attach one caster on each corner and two in the middle to prevent it from sagging.
Remember that second frame you made from step 1? Now attach that to the top of the legs using 2 1/2" wood screws like shown.
Now that your top is cut for the Traks, attach the top to the frame with 2" wood screws from the bottom side. Place screws along each outside edge and in the top middle support piece.
You can finish out your cubby however you want. You can add drawers or adjustable shelves using a Kreg Shelf Pin Jig, leave it open, or a combination of all of it. I added a stationary shelf with dividers for all my drill bits and jigs. For this, cut a shelf piece first according to the cut list, then screw in the dividers from scrap wood.
Then drill 3/4" pocket holes into the ends of your shelf and attach in place using 1 1/4" pocket hole screws. You can see more details of this in the video.
Now attach the shelf into the cubby using 1 1/4" Kreg Pocket Hole Screws. You can attach however high you want to accommodate whatever you wish to store below and on top of your shelf.
Once your shelf is attached, load it up with your favorite Kreg Jigs, Kreg Trak Horses, and Kreg Screws. Then get out there and Build Something ;)