Golf Tutorials

How to Fix a Golf Iron Head

By Spencer Lanoue
July 24, 2025

Hearing that unsettling rattle or feeling a slight twist in your iron head during a swing is a golfer's worst nightmare. Don't worry, a loose head doesn't mean your favorite club is destined for the scrap heap. This article will walk you through the entire process of how to fix a golf iron head yourself, from assessing the problem to the final, professional-looking details.

Why Do Iron Heads Come Loose in the First Place?

Before we get into the repair, it helps to understand why this happens. It's almost always a failure of the epoxy that bonds the shaft to the clubhead's hosel (the socket where the shaft enters the head). This bond is incredibly strong but not invincible.

Here are the common culprits:

  • Repeated Impact: The most obvious cause. Every single time you strike a ball, thousands of pounds of force transfer through that tiny bonded area. Hitting a lot of shots off hardpan or mats at the driving range can accelerate this wear and tear.
  • Old Age: Epoxy, like any adhesive, has a lifespan. Over many years and countless swings, it can become brittle and lose its structural integrity, eventually cracking and failing.
  • Temperature Extremes: Leaving your clubs in a hot car trunk is bad for more than just the grips. Extreme heat can soften epoxy, making it susceptible to breaking on your next shot. Conversely, rapid temperature shifts from cold to hot can cause microscopic expansion and contraction, weakening the bond over time.
  • Improper Original Assembly: If the club wasn't built correctly from the start - perhaps with too little epoxy, a poor mix, or insufficient cleaning of the components - the bond was doomed from day one.

For most golfers, a loose head is just an unfortunate part of the game that you'll likely encounter at some point. The good news is that it’s usually a very straightforward fix.

Gathering Your Tools for the Job

Doing a club repair right means having the right equipment on hand before you start. Scrambling to find a tool mid-repair leads to mistakes. Here’s a checklist of what you'll need.

Supplies:

  • Golf Shafting Epoxy: This is non-negotiable. Don’t use Gorilla Glue or any old hardware store adhesive. Golf-specific epoxy is formulated to withstand the immense shear and torque forces of a golf swing. A 24-hour cure epoxy is almost always stronger and more reliable than the 5-minute "quick-set" versions.
  • New Ferrule: This is the small plastic cone that sits on the hosel and provides a smooth transition from the shaft to the head. You will almost certainly destroy the old one during removal, so have a new one ready. Ferrules are iron-specific and come in various sizes, check your shaft tip diameter (.355" taper tip or .370" parallel tip) to get the right one.
  • Acetone or Mineral Spirits: Essential for cleaning old epoxy residue. Acetone is more aggressive and effective but requires good ventilation.

Tools:

  • A Bench Vise: This will make the job infinitely easier and safer.
  • *
    Rubber Shaft Clamp:
    You
    must
    use one of these with your vise. Clamping a steel or graphite shaft directly into a metal vise will crush and ruin it instantly.
  • Heat Source: A heat gun is the preferred tool. A propane torch can also be used, but you have to be much more careful, especially with graphite shafts, as you can easily delaminate the layers and destroy the shaft.
  • Utility Knife or Hacksaw: For removing the old ferrule and scraping any stubborn debris.
  • Wire Brush or Sandpaper: A small wire brush (like one for cleaning gun bores) is perfect for scrubbing the inside of the hosel. Coarse sandpaper (around 80-grit) is great for scuffing the shaft tip.
  • Safety Glasses &, Gloves: You’re working with heat, sharp tools, and chemicals. Protect yourself.
  • Paper Towels &, Rags: For cleanup. You will make a bit of a mess with old epoxy dust and new epoxy squeeze-out.

The Step-by-Step Guide to Re-Shafting Your Iron

Once you’ve got all your tools, find a well-ventilated space like a garage or shed. Now, let’s bring that iron back to life.

Step 1: Secure the Club

Open your vise wide enough for the rubber shaft clamp. Place the clamp around the shaft about 8-10 inches below the grip. Don't clamp near the grip as the pressure can deform the buildup tape underneath. Position the club in the vise with the head pointing horizontally and tighten just enough to hold it securely. The club shouldn't move, but you don't need to crank it down with excessive force.

Step 2: Remove the Old Ferrule

The ferrule is mostly cosmetic but needs to go. The easiest way is to carefully score a line down its length with a sharp utility knife, being careful not to dig into the shaft underneath (especially important for graphite). It should then split and pop off easily. If it’s stubborn, a little bit of gentle heat from your heat gun will soften it right up.

Step 3: Apply Heat and Loosen the Bond

Here we go. Put on your safety glasses. Fire up your heat gun (or torch on a low setting). Apply heat directly and evenly to the clubhead's hosel, not the shaft itself. Keep the heat source moving, constantly rotating the clubhead if possible, to distribute the heat evenly. This prevents one spot from getting dangerously hot.

After about 30-45 seconds of consistent heat, the epoxy inside will begin to break down. You might see a tiny wisp of smoke or smell the familiar, slightly acrid scent of burning epoxy. This is your cue that it's ready.

Step 4: Twist and Pull the Head Off

Wearing a work glove (the hosel will be very hot), grasp the iron head firmly. Give it a sharp twisting motion back and forth to break the last of the epoxy bond. Once it twists, pull it straight off the shaft. If it doesn’t budge, don’t force it. Simply apply another 15-20 seconds of heat and try again. A patient approach prevents damage.

Step 5: Meticulous Cleaning is a Must

This is arguably the most important step for a lasting repair. A clean surface area is required for a strong bond.

  • The Shaft Tip: Take some 80-grit sandpaper and thoroughly scuff the bottom 1.5 inches of the shaft tip (where it will sit inside the hosel). You want to remove all the old, shiny epoxy and create a rough, abraded surface for the new epoxy to grip. Wipe it down with a rag and some acetone to remove all dust and oils.
  • The Hosel Interior: This is a bit trickier. The inside of the hosel will be caked with old, hardened epoxy. Heat the hosel up again for about 10 seconds to soften the residue. Then, use a small wire brush (an old gun cleaning bore brush works great) attached to a drill on low speed to scrub the inside of the hosel. Alternatively, you can wrap a piece of sandpaper around a dowel or a drill bit. Work until the inside walls are clean metal. Finally, flush it out with acetone and let it completely dry.

Step 6: Prepare and Install the New Ferrule

Before you get any glue involved, slide the new ferrule onto the shaft tip. You saved yourself a huge headache by doing this now!

Step 7: Mix and Apply the Epoxy

Squeeze out equal parts of your 24-hour epoxy onto a disposable surface like a piece of cardboard. Mix them together thoroughly for at least a full minute until you have a uniform color. Don't eyeball this, be precise.

Using a popsicle stick or a similar applicator, apply a thin, even coat of the mixed epoxy all around the prepared shaft tip. You don’t need to gob it on, a complete, solid coating is what matters. You can also put a small amount inside the hosel for good measure.

Step 8: Reattach and Align the Head

Carefully insert the epoxied shaft tip into the hosel. Push the head on and use a gentle twisting motion to ensure the epoxy spreads evenly. Push the head on until the shaft bottoms out inside the hosel.

Now, stand over the club as if you were addressing a ball. Adjust the head so the face is perfectly square to your imaginary target line. Use the score lines on the face or the iron's top line as your guide. Once you have it perfect, give the butt end of the grip a firm tap on the floor. This "seats" the head fully onto the shaft and pushes any excess epoxy up and out of the hosel.

Step 9: Clean-up, cure, and Admire

Wipe away any epoxy that an has squeezed out with a paper towel and some acetone. Next, you can slide the ferrule down and seat it against the top of the hosel. A quick wipe with an acetone-dampened rag will give the ferrule that shiny, professional melted-on look.

Finally, and this requires patience, stand the club upright against a wall somewhere safe where it won't be disturbed. Let it cure for the full 24 hours recommended by the epoxy manufacturer. Don't be tempted to give it a little waggle after a few hours - let the chemical bond do its work completely.

After 24 hours, your club is officially back in business, stronger than ever and ready for the an entire new life with you!

Final Thoughts

Fixing a loose iron head is a satisfying skill that gives you more control over your equipment and saves you from a costly pro-shop bill. With a methodical approach and the right materials, you can confidently handle this repair and get your trusted iron back in play for your next round.

While maintaining your gear is one part of playing better golf, on-course decision-making is another. Our app, Caddie AI, acts as your digital caddie, helping you with strategy for a tricky par 5 or giving you a club recommendation for that tough approach shot. It takes the guesswork out of your round, so all you have to focus on is swinging with confidence in your newlyRepaired club.

Spencer has been playing golf since he was a kid and has spent a lifetime chasing improvement. With over a decade of experience building successful tech products, he combined his love for golf and startups to create Caddie AI - the world's best AI golf app. Giving everyone an expert level coach in your pocket, available 24/7. His mission is simple: make world-class golf advice accessible to everyone, anytime.

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