The pickup truck box assembly is typically attached to the frame using option C) bolted.
Bolting is a common method of attaching the box assembly to the frame because it allows for easy assembly and disassembly, as well as flexibility in repairs or modifications.
When attaching the pickup truck box assembly to the frame, bolts are used to secure the two components together. The box assembly usually has pre-drilled holes or brackets that align with corresponding holes on the frame. Bolts are then inserted through these holes, and nuts are threaded onto the bolts to hold everything in place.
Bolting provides a strong and secure connection between the box assembly and the frame, ensuring that it remains stable during vehicle operation. It also allows for the possibility of removing and replacing the box assembly if needed, which can be useful for repairs or when customizing the truck.