Yes, the Curt Trailer Hitch Receiver # C23WR does include the 6 bolts and washers for attaching to your 2023 Hyundai Santa Cruz.
I recommend installing the Vehicle Wiring Harness # CU94FR when you install the receiver. This will control the tail lights on most small trailer with a 4-way flat connector. It will also allow you to use Auxiliary Lights # C53201 if you have a hitch mounted accessory which impairs the view of your tail lights. view full answer...