What kind of drill bit would I need to drill through the step bumper on my pick-up

DanForacer

New member
truck? I'm installing one of those 2" step bumper receivers the old fashioned way by bolting it on. This is necessary to have a small cargo platform behind the truck. I'm putting a gasoline generator on there to power an air conditioner that's pressed up against the back window. This will be a lot cheaper than having someone weld the bumper receiver onto my bumper. I have a few bit sets. Not sure which one would be best suited to drill through steel. Thanks for reading.
 
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