uneven drain hole in new bathroom sink with pop up stopper - how to stop leak?

[nettie123]

installing new vanity with porcelain sink and pop up stopper. all of this was preassembled. once plumbing connected there were 2 leaks. 1. around drain in sink - disassembled and found sink hole uneven. 2. pipe at bottom of pop up has small crack around threads. How can uneven drain hole be made up for?

 

[user 4883]

Plumbers Putty.

 

[DUNBAR]

Either that or silicone, but anything beyond the normal of unevenness will spell trouble down the road.













Northern Kentucky Plumbers

 

[user 4883]

Actually, I'd return the sink and get my money back or purchase another one until you find one that doesn't have that defect.