I want to give credit to jakehathaway for the Worktable design.
I also have a different instructable for the wall shelves you see in the background
Now let's get started !
Step 1: Get Your Materials
10 - 2x4
2 - 3/4" plywood sheets
150 - #8 2-1/2" wood screws
4 - dolly wheels
Please disregard the hinges on the picture as I originally wanted the workbench to be foldable but I was not impressed with the stability so I changed my design.
* You can probably use sheets of press wood (OSB) as it is cheaper but I prefer the look and durability of the 3/4" plywood. It will also look better when you apply finish on the top surface of the workbench.
Step 2: Cut Your Materials
Speaking of dimensions, here are mine :
Workbench 72" (L) - 28" (D) - 34" (H)
Worktable 60" (L) - 24" (D) - 29" (H*)
It is recommended that your main workbench height should be as high as your wrist / waist. The worktable should be about 5-6 inches lower.
Before you get to work, MAKE SURE YOU HAVE THE PROPER SAFETY EQUIPMENT !
The great feature about the working table design is that it is really simple. You only need to have 4 length of 2x4.
That gives me:
4 x 60"
4 x 26.5" (I will be adding the wheels that are 2.5" high)
4 x 24"
1 x 60"x24" plywood sheet
1 x 36" x 24" plywood sheet (bottom shelf)
1 x 24" x 24" plywood sheet (bottom drawer)
The design is very similar but there isn't the same amount of pieces of 2x4
That gives me:
3 x 72"
4 x 34"
4 x 25"
1 x 72"x28" plywood sheet
Step 3: Assembling the Worktable
A) Assemble the legs first.
B) Link the legs with the frame support. Having the legs support inward will allow space for clamping.
C) Screw in the plywood top, bottom shelf and drawer. For the lower shelf, I actually had two level on the shelf strictly because I did not had two length of 60" plywood and I did not want to buy another sheet just for that.
D) Add scrap 2x4 pieces on the table legs and attach the dolly wheels.
1) Pre-drill holes prior to putting the screws in. It might not look like much but it will help when assembling your workbench.
2) Place the screws diagonally making a diamond shape. This will also help down the road when completing the assembly.
3) Countersink the screws before drilling them. I have to admit I only did it for the top but if you don't make sure you don't overtight them as you don't want your wood to crack.
4) Place only one screw per side at the time. This will allow to square the legs before finishing the assembly of the legs.
Step 4: Assembling the Workbench
A) Assemble the top frame first. In this design, I liked having top back 2x4 to be on top instead.
B) Complete the legs assembly and assemble them to the top of the workbench.
C) Add the final support 2x4 to improved solidity of the workbench.
Step 5: Sanding and Finish
Step 6: Start Making !
Now that you have a nice sturdy and finished workbench, let's get making !