How do you install a camlock on a toolbox?

if you are installing and not replacing then the hardest part will be affixing the latch inside. installing the lock is easy. drill hole. put thru hole. tighten nut on back of lock. the latch bar that the lock catches might have to be riveted/welded/soldered into tool box. you might have to craft/create one if not included with camlock set out of a small piece of metal.