How do I install a kitchen faucet on a thick
Some faucet manufacturers can provide you with faucet shank
extensions. You will need to call and ask for them, and probably pay a little too.
The other option for mounting a kitchen sink faucet in a thick
countertop is by drilling a hole larger than the provided, and then using a Dremel tool, remove the necessary depth
to mount the faucet's hardware.