What's inside
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A router-bit cabinet should do three things: keep cutting edges from knocking together, make the shank size easy to identify, and fit the space you actually have. This plan builds a wall-mounted cabinet about 18 inches wide, 24 inches tall, and 5 inches deep. It holds roughly 30 to 40 bits, depending on their size, and uses removable trays so you can change the layout later.
Contents
Plan the layout
Count your bits before buying material. A row of 1/4-inch shanks takes less room than one holding large panel-raising or rabbeting bits. Leave at least 1 inch of clearance above the tallest bit, including any handle or tray lip, and avoid packing bits so tightly that you have to pull them out by the cutting edges.
This design uses a plywood case, two removable trays, and a shallow shelf for accessories. Each tray has holes sized for the shanks, not the cutting profiles. Keep 1/2-inch-shank bits in a separate row from 1/4-inch bits so they cannot be forced into the wrong holes.
Materials and tools
Use 1/2-inch plywood for the case and 1/4-inch plywood for the back. A hardwood scrap or straight-grained plywood strip works for the bit trays. You will also need wood glue, screws, a hinge pair, a catch, and a wall cleat or suitable hanging hardware. The cabinet is light, but bits add weight; plan the wall attachment for the loaded cabinet, not the empty one.
A drill press makes accurate, square holes, but a hand drill and a guide block are adequate if you work carefully. A drilling guide can help keep holes straight, though it is not essential for a shop cabinet.
| Tray material | Advantages | Trade-off |
|---|---|---|
| Hardwood | Holds holes cleanly and resists wear | Costs more and may split if holes are too close |
| Plywood | Stable, inexpensive, uses offcuts well | Exposed plies can chip; seal the holes carefully |
| Plastic or foam insert | Fast to arrange and easy to replace | Can be less durable around sharp, heavy bits |
For most home shops, plywood trays are fine. Choose hardwood if you expect frequent rearrangement or want cleaner-looking holes.
Cut and assemble the case
Cut two sides at 24 by 5 inches, a top and bottom at 17 by 5 inches, and a back at 18 by 24 inches. These dimensions give an outside width of about 18 inches with 1/2-inch sides. Dry-fit the pieces and check the corners with a square before gluing. Even a small rack can bind if the case is out of square.
Glue and screw the top and bottom between the sides. Use screws long enough to hold without breaking through the outer faces; predrill near plywood edges to reduce splitting. Attach the back after checking the case diagonals. If the diagonals differ, nudge the case square before fastening the back, which will help keep it that way.
Fit a 3/4-inch-wide cleat inside each side at the height you want for the trays. Leave enough room for fingers to lift a tray out. Add a narrow shelf at the bottom for wrenches, reducers, or a few specialty bits. Do not rely on a loose shelf to stop bits from falling forward.
Make the bit trays
Cut two trays about 16 by 4 inches, adjusting the width to slide freely between the cabinet sides. A clearance of roughly 1/16 inch on each side is a reasonable starting point; test with a scrap before making both. Add a low front lip so bits cannot slide out when the tray is handled.
Lay out holes with at least 3/4 inch between centers for ordinary bits. Large bits need more room. Drill 1/4-inch holes for 1/4-inch shanks and 1/2-inch holes for 1/2-inch shanks, testing on scrap first. Hole diameters vary with the actual bit shanks and the drill, so a test fit is more reliable than assuming a nominal drill size will be perfect. Stop the hole short of the bottom, or glue a thin backer under the tray to keep bits from dropping through.
Drill slowly and back out to clear chips. Tear-out is most likely where the bit exits; a backing board helps. If a hole is too loose, a small sleeve or a replacement tray is safer than trying to wedge a bit in place. Never store bits by pushing on their cutting edges.
Fit the door and finish
Cut a door from 1/2-inch plywood to cover the case front, leaving a small, even gap around the edges. Install two hinges on one side and a catch on the other. A door keeps dust off the bits and helps contain them if the cabinet is bumped. If you use a clear panel, make sure the frame and hinges are still stiff enough to support it.
Sand the case and trays, then apply a thin coat of finish. Keep finish out of the bit holes; a heavy coating can make a previously snug fit tight. Let the finish cure fully before loading the cabinet. Mark each tray for shank size, and label the cabinet contents so you can find a profile without handling every bit.
Mount and load safely
Fasten the cabinet to a wall stud or a properly installed cleat. Use screws suited to the wall and cabinet; drywall anchors alone are a poor choice for a loaded tool cabinet. Put the heaviest bits low, confirm the door catch holds, and pull each tray out gently the first time to check for interference.
Before drilling a full tray, compare these storage choices:
| Storage method | Best fit | Limitation |
|---|---|---|
| Removable cabinet trays | A growing collection and wall storage | Requires cabinet space and careful mounting |
| Drawer insert | Shops with an available shallow drawer | Bits can be harder to see from above |
| Commercial bit holder | A small collection or quick setup | Fixed capacity and layout |
If you have fewer than a dozen bits, a basic router-bit holder or a labeled drawer insert may be cheaper and faster than building a cabinet. Build this version when you need protected storage, want removable trays, or expect the collection to grow. Before use, check that every bit sits below the tray edge and that no cutting edge touches another bit or the door.