A loose faucet handle can sneak up on you. One day it feels fine, and the next it’s wobbling every time you turn on the water. The good news is that most faucet handles loosen for simple reasons, and the fix is usually easy. You won’t need plumbing experience—just a few minutes and a couple of tools you likely already own.
Check What Type of Handle You Have
Before you start, look at the handle style. Most kitchen faucets use one of two types:
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Single-handle faucets: One lever that controls both hot and cold.
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Two-handle faucets: Separate handles for hot and cold.
Both types tighten in a similar way, but how you reach the screw may differ.
Find the Set Screw
Most loose handles are caused by a small screw hidden under a cap or along the side of the handle. Here’s how to locate it:
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Look for a tiny cap on top or on the side of the handle.
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Pry it off gently with your fingernail or a small flat screwdriver.
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Once the cap is off, you’ll see the set screw inside.
If your faucet doesn’t have a cap, the screw may be underneath the handle instead.
Tighten the Screw
Grab the right tool—usually a small Allen wrench or Phillips screwdriver—and tighten the screw. Turn it slowly until the handle feels snug. Don’t force it. You only want it tight enough to stop the wobble.
Check the Handle Movement
Once tightened, move the handle back and forth a few times. It should feel steady but still move smoothly. If it’s stiff, loosen the screw just a touch.
When the Screw Isn’t the Problem
If the handle still feels loose, you may be dealing with:
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A worn cartridge
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A stripped screw
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Mineral buildup inside the handle
These issues take a bit more work. Sometimes replacing a cartridge is the simplest fix, and most hardware stores carry them by brand. Bring the old one with you so you get the right match.
Prevent the Handle From Loosening Again
A few quick habits help keep things solid:
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Don’t yank the handle when turning it off.
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Wipe away mineral buildup from time to time.
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Give screws a quick check if you notice even a little wiggle.
Fixing a loose kitchen faucet handle is one of those small jobs that feels good to cross off the list. It’s quick, it’s simple, and it saves you from bigger problems later. If you run into a handle that still won’t tighten or you find damaged parts, you’re not doing anything wrong—it just means it’s time for a replacement piece or a quick visit from a plumber.