Introduction: Ammunition Canister Lock Box
Create a inexpensive lock box out of an old surplus ammunition canister. Most ammunition canisters used by the military are made of thick steel with a lever closing mechanism. They are generally waterproof and have removable lids. This makes them ideal for storing a wide variety of equipment that are sensitive to moisture.
Step 1: Selecting an Ammo Can
The best place to buy these is at your local military surplus store, or at a local flea market. They can cost anywhere from $5 to $50 depending on size and condition. When selecting an ammo can pay attention to the holes located in the closing lever. The one I used in this instructable happens to be shaped perfect for the hasp to pass through. If you can't find one like this in the size you want, you can always cut a bigger hole.
Make sure that the rubber seal is still located in the lid if you want it to be waterproof.
Step 2: Hardware
You will need the following from your local hardware store.
- Hinge Hasp (sold for locking gates)
- Nuts and bolts. x 4(The bolts don't have to be very long, 10mm should be enough)
In my case the hasp came with four wood screws, but I needed something secure and decided to buy nuts and bolts.
Step 3: Mark and Drill Holes
Place the hasp on the front of the can and mark where to drill the holes. Make sure you try closing the lid with the hasp in place before drilling the holes to test the fit.
Make sure you drill the holes slightly larger than the bolts. I drilled mine the exact same size and ended up stripping the first bolt trying to thread it through.
Step 4: Attach Hasp
Insert the bolts into the holes and attach the nuts. If you want to ensure that the ammo can will remain 100% water proof you can coat the nuts on the inside with silicone caulking.
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