Installing Locks on a Truck Toolbox

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Howdy fellow DIY’ers! Welcome back to my page. Today I’ll be putting together a little guide for what I did to install a set of locks on my truck toolbox. It’s a pretty simple process but I know it helps me just to see others who have done something similar before I pull the trigger on a project. Surprisingly enough, in all my Google searching, I really did not stumble across very many how-to’s on this particular subject so I figured it would be a good idea to put one together and perhaps help out someone similar to myself. So without further adieu let’s jump right in shall we?

The Problem

Sadly enough, I started this problem by accident the other afternoon while installing some new weather-stripping on my truck box. For a long time the built-in latches had been acting screwy but they at least held the lid down and kept it secure. Well, in all of my brilliance I decided that after I had the new weather-stripping in I would adjust the latches also. Well, long story short I ended up somehow breaking the springs in the right latch and more or less having to destroy the right one just to get into the box after my “adjustments.” At this point I knew I needed to re-secure the box somehow which brings us to the start of this tutorial.

The Solution

Step 1

To start off I looked around on the web for an hour or so to see if I could find any ideas or inspiration on this subject. I came across a few things on my frequented truck forums but nothing that was very detailed. From there I just decided to go buy some lock hasps and padlocks to mimic the style I’ve seen some people use. I admittedly grew tired of the whole thing after searching and didn’t even make it to Home Depot until the next day. Once there I rounded up what I needed pretty quickly. To get this done you’ll need similar equipment to what I have in the picture below.

  • A drill and drill bits
  • Two double hinge hasps
  • Two Locks (preferably with a key that can open both)
  • Tape Measure
  • A dremel
  • A Sharpie or something similar to mark drill holes

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I also want to mention that I purchased double hinged hasps as opposed to single hinge hasps because of the angle that is designed into my toolbox lid. Depending on your style of box you might could get away without the double hinged variety. Just be sure that the hasps you select cover the mounting hardware used to install them. This will at least make it a little harder to drill out or unscrew the mounting hardware. Also worth mentioning is the included hardware for the hasps. Don’t be like me and not check what’s actually in the bag. When I was in the store I noticed both nuts and bolts as well as screws thinking there was enough for either application. This was NOT the case. Each hasp only came with two bolts, two nuts and two washers which is definitely not the 16 required for this particular project. I suppose the screws could potentially work but I feel that using bolts through the box is more secure and neat if anything else. So pick up some additional hardware if your particular hasp does not have enough included. Below is what I had to return for. wp-1486944743952.jpg

Step 2

Grab a helper if you’d like. Mine was good moral support!

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But really, now that you have all the materials gathered the rest should fall into place. Start by selecting a location for the two hasps on your box. I chose pretty close to the original latches to more or less split the length of the box the same for aesthetic and lid rigidity reasons. Once you find a spot make sure that the hasps will work where you’ve selected and then mark off the locations to attach the hardware with your Sharpie.

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Step 3

Once you have both sides marked it’s time to take the drill and drill out the holes for the hardware. As a side note, since my truck box is black, I went ahead and did an optional spray paint job here just to tidy things up a bit. wp-1486944703585.jpg

While the hardware was drying I drilled out the holes I had marked in the lid using the correct drill bit to allow the mounting bolts just enough room to fit.

I didn’t do a very good job making these holes very neat and had to bore some of them out a bit more later to allow the bolts to mount in straight. Turns out that keeping the drill bit from rolling off the diamond plate is a bit challenging for me. Nevertheless it’s time to mount the hasps.

Step 4

This step is pretty straight forward. Just run the bolts through the hasps and the holes you’ve added to your box and then bolt them onto the inside of the lid. I went ahead and used some of the leftover weather-stripping I had to add some increased protection from dust and water.

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Step 5

With the hasps firmly bolted to the lid you can now see where you need to mount the loop that the locks will hook onto. This step is similar to Step 2. Just fold the hasps over the lid and line the loops up where they will allow the mounting hardware to sit flatly against the box and still allow room for the hasps to slide over them. Mark the location of the mounting holes with your Sharpie.

Step 6

This one is a repeat of Step 4 just in the new locations. I ran into a little issue with the interior lip of the toolbox but moving the drill around a bit I was able to get the holes drilled where I wanted them. After the holes are drilled attach the hasp loops to the front of your box. Below is an interior shot of the bolts and the troublesome lip I mentioned. Your box may differ so not too much to worry about there.

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Step 7

At this point you may or may not be set and finished depending on your alignments and your specific hardware. The locks I selected did not fit through the holes left in the loops once the hasps were installed. There was this small lip manufactured onto the opening on the hasp that prevented my lock from fully going through the loop when latched. This is where the dremel and the cutting wheel came in handy. I just notched out the lip to allow the lock room to fit. You may or may not have to do this. Just take a look at your hardware to be certain. I know mine did not come out looking the prettiest after this step but I was getting hungry and was ready to be done. Ha!

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Step 8

Enjoy your new locks! After you finish the above you should have a toolbox that will keep your stuff secure and hopefully keep an honest man honest. For more ways to procrastinate productively stay tuned to this blog and be sure to check out my new YouTube channel featuring videos on a lot more auto repairs and stuff to keep you busy!

 

 

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