Guitar Fret Wire Sticking Out: Causes and Safe Fixes

Why Fret Wire Ends Protrude

Fret wire sits in a slot cut across the fretboard. The tang, the barbed part under the crown, is what holds the wire in place. When the wood moves, the metal does not follow, and the end of the fret can appear slightly beyond the edge of the neck. Guitar Fret Wire Tang explains how that anchor works.

A protruding fret end usually shows up as a rough spot when you slide your hand along the neck. It can catch the heel of your palm, or make a string snag when you bend. The visible clue is metal sticking out past the fretboard edge. The fix starts with understanding why the wood moved, not with grabbing a file.

• A sharp edge on one side of the neck
• A string that catches when bending
• A metallic glint past the fretboard edge
• A change that appears after seasons change

Humidity and Dryness Move the Wood

Dryness is the most common cause. When the air is dry, the fretboard loses moisture and shrinks. The fret wire does not shrink with it, so the ends of the frets become proud of the wood. This is why the problem often appears during winter or in air-conditioned rooms.

Very damp conditions can do the opposite. The wood swells and presses against the fret ends, which can make the neck feel uneven and sometimes lift the fret crowns slightly. Keeping the guitar near a stable humidity prevents both extremes. Fretboard Shrinkage covers the dry-side symptom in more detail.

Wood is an active material. Maker guides on tonewoods note that materials affect how a guitar feels and responds under your hands. That includes the fretboard. Treat the guitar as a wood instrument first: control the environment, then decide whether the fret needs a mechanical fix.

Safe Fixes: Tap Them Back or File Them Flush

If the guitar has been kept dry, humidify it before doing anything permanent. How to Use a Guitar Humidifier to Protect Your Acoustic is the right place to start. Give the wood time to take on moisture, then re-check the fret ends. In many cases they settle back close to flush and only need light dressing.

For a fret that is still slightly proud, tap it back. Loosen the strings enough to get clear access. Hold a small block of hard plastic or scrap hardwood against the fret end, then tap the block gently with a small hammer or rubber mallet. The goal is to seat the tang deeper in the slot without denting the fretboard.

Filing is the alternative. Use a fine fret-end file or a small flat file. Work at a slight angle so you remove only the protruding metal, and file from the outer edge toward the fretboard. Stop as soon as the end is flush. Fret End Dressing describes the full method.

After dressing the ends, clean and polish them so the edge feels smooth under your hand. How to Clean and Polish Guitar Frets shows the finishing steps.

When to Let a Repair Person Handle It

Tap and file only when the fret is still solidly seated. If you can rock the crown with a thumb, the tang is no longer gripping the slot. Tapping it back may hold for a while, but the better repair is to reseat the fret or replace it. Loose Guitar Frets explains when the whole fret needs attention.

Take the guitar to a repair person if the fretboard is cracked, if the fret has lifted, or if the neck has changed shape. Filing protruding ends on a structurally damaged neck can delay the real fix. A repair person can level and dress the frets, which is the complete treatment. Guitar Fret Wear walks through what that process involves.

Preventing It From Coming Back

The most reliable prevention is stable humidity. Store the guitar in its case when you are not playing, avoid spots near radiators or air vents, and use a humidifier when the room feels dry. How to Store Guitars Safely at Home offers storage guidance.

When you shop for a guitar, fret material and fretboard wood can affect how often you deal with ends that catch. Stainless steel frets resist wear but the wood still moves, so climate control remains important. Stainless Steel vs Nickel Silver Frets and Guitar Fret Sizes help you compare.

If you are looking for a new instrument, use the buying guides to compare specs and choose one that matches how you play: Best Acoustic Guitars in 2026 or Best Electric Guitars in 2026. A stable environment matters more than any single material.

What to pick for your use

Questions

Is it safe to file fret ends myself?

Yes, if the fret is solidly seated and you use a fine file at a slight angle. Protect the fretboard and finish, remove only a small amount of metal, and stop as soon as the end is flush. If you have never filed frets, ask a repair shop for guidance or practice on a spare neck.

Can a new guitar have fret ends sticking out?

It can happen. A new guitar may have fret ends that are slightly proud after leaving the factory, and dry handling conditions can make them more visible. It is not a sign that the guitar is unusable, but the ends should be dressed so the neck feels smooth.

Should I tap the fret or file it?

Tap first when the fret is only slightly proud and the slot still holds it. File after the guitar is at a stable humidity, because filing a dry fretboard can leave the ends below the wood once the board swells again. If the fret is loose, neither tap nor file is the real fix.

How can I tell if a fret is loose instead of just protruding?

Press on the crown with your thumb. A loose fret moves slightly or makes a clicking sound. A protruding end that is still firmly seated does not move, and it only needs dressing. If the fret moves, the tang has lost its grip and the fret needs reseating.

Does low humidity cause this on every guitar?

All wood responds to its environment, but different woods and constructions react differently. The safest approach is to keep the guitar in a stable humidity and check the fret ends whenever the season changes. Guitar humidifiers and careful storage prevent most cases.