If you re unsure of how to do this you can contact the toolbox manufacturer for assistance.
How to measure a truck bed for a tool box.
Measure the distance between the bulkhead and the forward edge of the wheel well.
Cross reference chart for pickup truck bed size dimensions.
Some truck models don t come with pre drilled holes.
Hold one end of your tape measure against the inside of your truck bed s left front corner and have someone pull the tape measure until it reaches the inside of the front right corner.
Before measuring make sure that the tailgate is closed.
Step 1 place your measuring tape at the bulkhead of your truck bed.
Measure the placement of the box carefully and drill four to six holes in the truck bed using a durable metal bit and a powerful drill.
Measure the length of the truck bed.
This used to be straightforward when there were only.
Measure the outside distance between your bed rails and compare it to measurement a on the illustration above.
Measure the inside length of your bed from inside the front bulkhead rail to the inside of your tailgate.
Again the tape measure should be in a straight taut line even with the top of the bed.
The wider top that sits on the bed rails and the narrower base that fits between the rails.
Measure the distance from the outside of one bed rail to the outside of the other rail.
In this case there s one more step to follow.
F150 composite cab corners that will never rust manufacturers typically change bed sizes when they introduce a new model year.
Compare that measurement with dimension a in the illustration.
For crossover toolboxes be sure to properly measure the distance from the outside of one rail to the outside of the other.
Compare that measurement with dimension a in the illustration.
Now ask the assistant to stretch the measuring tape and hold it after fixing at the bulkhead.
Determine the height of your bed walls.
When you re shopping for toolboxes you ll see two measurements for length.
Step 2 moving along your bed rail extend the measuring tape to the inside edge of the top of your tailgate.
Record this measurement and label that number width.
Drilling the holes yourself.
First measure the height of the rails and the distance between the rails.