On other faucets, the hot and cold valves have a threaded nut, and you'll need to attach your own flexible supply lines.
Kitchen Faucet Mounting Nut. To get this wrench on amazon. About 10% of these are kitchen faucets, 0% are basin faucets.
Rohl C7129apc Country Kitchen Escutcheon For Handshower To A3606 And A3608 Kitchen Faucets With Mounting Nut Rohl from www.kbauthority.com
Thread the mounting nuts provided onto the faucet shafts, then center the threaded shafts in the sink's holes and tighten the nuts firmly. The main difficulty comes in accessing that nut since it will be located under the sink. Next, remove the mounting nuts from the bottom of the old faucet.
The supply lines should fit inside the bracket.
Once you gain access to the nut, it's just a simple case of tightening it to fix the faucet base securely in place. This is typically a one half inch. A single handle kitchen faucet will typically have the mounting hardware connected to a single shank that contains the hot and cold supply lines. If you're mounting the faucet on an installed sink, use this method.
