Wheel adapters?

Cast aluminum adapters are soft. A impact will feck them up. Billet aluminum adapters are harder and cost more. A impact is still not recommended. Use a torque wrench to install them.
Adapters got a bad reputation years ago because they would work loose in many applications. Those applications were where the adapter sat on top of a welded drum balance weight. The mounting faces should meet flat and continuous. If a drum balance weight does get under the adapter, you'll need to clearance cut the adapter.