Truck toolbox mount

thingiverse

This is a standard truck bed mounting system for truck boxes. Instructions to install it are below. First, insert a 5/16 inch bit into your drill and carefully drill out the pre-drilled hole that comes with this system. Once you've done that, you can securely bolt it down using a standard 5/16 inch bolt. Each clamp has clips on the bottom that will fit snugly under the overhang in the bed of the truck, and then bolts right through the mounting hole you just drilled in the truck box. To get a rock-solid hold, we recommend using either two or four of these clamps, whichever feels more secure to you when you attach the truck box to the bed of your truck.