Golf Tutorials

How to Extend a Graphite Golf Shaft

By Spencer Lanoue
July 24, 2025

Playing with clubs that feel too short is a frustrating experience that can bake bad habits into your swing. If you find yourself slouching excessively or squatting uncomfortably just to make decent contact, extending your graphite shafts might be the fix you need. This guide will walk you through the entire process, from understanding the why and what to a detailed, step-by-step tutorial on how to safely and effectively extend your own graphite golf shafts right at home.

Why Would You Extend a Golf Shaft?

Proper club length is one of the pillars of a good golf setup. It directly influences your posture, your balance, and the path your club travels on. When a shaft is too short for your height and arm length, your body has to make compensations. Typically, this means you'll have to bend over too much from the hips, create too much knee flex, or a combination of both. This compromised position makes it incredibly difficult to maintain your spine angle and rotate your body freely and athletically through the shot.

The result? You might struggle with a number of common swing faults:

  • Inconsistent Contact: Hunching over can lead to both topping the ball (as you stand up out of your posture during the swing) and hitting shots fat (as your body dips to reach the ball).
  • Loss of Power: A cramped setup restricts your shoulder and hip turn, which robs you of your natural power source. You can't make a full rotation if you're all hunched over.
  • Poor Swing Path: To compensate for a short club, many golfers develop an "over-the-top" move or a swing that is too steep, leading to slices or pulls.

By extending a shaft to the correct length, you allow yourself to stand taller and more athletically at address. This improved posture provides the foundation for a more consistent, powerful, and repeatable golf swing.

Can You Actually Extend a Graphite Shaft?

Absolutely. For years, club fitters and builders have been extending graphite shafts, and it's a common and accepted practice. It's a fantastic wat to get your clubs fitted to you without the cost of a full new set of a brand-new custom shafts. That said, there are a few things to keep in mind.

When you extend a club, you are adding a small amount of weight to the butt end of the shaft. This alteration has two main effects:

  1. It affects the swing weight. Swing weight is essentially a measurement of how heavy a club feels when you swing it. Adding length and a small plug adds weight above your hands, technically making the club head feel a bit lighter. For most golfers extending a club by an inch or so, this change is subtle and often goes unnoticed.
  2. It can slightly affect the flex. Adding an extension plug to the butt end can make that specific section feel a little stiffer, but the overall playing characteristics and bend profile of the main graphite shaft remain unchanged. It won't turn your regular flex shaft into an extra-stiff one.

For most amateur golfers, especially those who know their clubs are too short, the overwhelming benefit of better posture and a more comfortable setup far outweighs these minor changes in feel. Extending shafts up to 1.5 inches is a very standard and safe modification.

Gathering Your Tools and Materials

Having the right tools on hand makes this job smooth and straightforward. You aren't going to need an entire tour van, but a few specific items are a must. Here’s your shopping list:

  • Graphite Shaft Extensions: These are specifically designed plugs that fit inside hollow graphite shafts. They come in various diameters, so make sure to get the correct size for your specific shafts (.580" or .600" are most common).
  • High-Strength Two-Part Epoxy: You'll want a golf-specific epoxy for the strongest bond. General-purpose home epoxies sometimes fail under a golf swing's torque and repeated impact.
  • Butane Torch or Heat Gun: For removing the old ferrule if you decide to change that too. It can also help loosen stubborn old grips or tape in some cases.
  • Vise and a Rubber Shaft Clamp: Trying to do this job without a vise to hold the club securely is asking for trouble. A rubber clamp is essential to protect the graphite from being crushed by the vise jaws.
  • Utility Knife or Hook Blade: A fresh, sharp blade is best for safely cutting off the old grip.
  • New Grip, Grip Tape, and Grip Solvent: Since you're removing the old grip, you’ll need to install a new one. Get a complete re-gripping kit or buy the items separately.
  • Rag or Paper Towels: For cleanup of epoxy and solvent.

The Step-by-Step Guide to Extending Your Shaft

Okay, with your workshop prepped and your tools laid out, it's time to get started. Just take your time, be patient, and follow these steps carefully.

Step 1: Get Your Workspace Ready

Set up in a well-ventilated area, especiallysince you'll be working with epoxy and solvent. Clamp the rubber shaft clamp to your vise loosely. Have all your materials and tools within arm's reach.

Step 2: Remove the Old Grip

Secure the club in the vise using the rubber Ishaft clamp, tightening it just enough so the club won't spin. Take your utility knife with a hook blade (if you have one, if not a standard blade works fine) and place the hook at the opening of the small hole on the butt end of the grip. With the blade facing away from you, pull straight down and along the shaft's length to cut the grip open. Peel the old grip off.

A very important tip: ALWAYS cut away from your body. A slip with a sharp blade can cause a nasty injury, so prioritize safety here.

Step 3: Clean the Shaft Butt

Once the grip is off, you'll see the old grip tape. Peel off as much as you can by hand. For the remaining residue, pour a little grip solvent or mineral spirits on a rag and rub the shaft end until it's completely clean and smooth. A clean surface is fundamental for the epoxy to create a strong, durable bond. Let the solvent fully evaporate before proceeding.

Step 4: Dry-Fit and Prepare the Extension

Take your graphite shaft extension and insert it into the open butt end of the shaft. It should be a snug fit. If it's too loose, you may want to wrap a small layer of masking tape around the extension to create a tighter fit. If it's too tight to go in, you can lightly sand the extension down. The goal is a snug, but not forced, fit.

Most extensions come ready to add 1-2 inches, but if it's a long universal piece, measure and cut the extension to the exact length you wish to add to the club.

Step 5: Mix and Apply the Epoxy

Squeeze out equal parts of your two-part epoxy onto a disposable surface like a piece of cardboard. Mix it thoroughly for at least 30-60 seconds using a nail or a popsicle stick. Apply a thin, even layer of the mixed epoxy to the part of the extension that will be inserted into the shaft. Then, use a small tool to place some epoxy just inside the butt end of the shaft as well. More is not better here, too much will just squeeze out and make a mess.

Step 6: Insert the Extension and Let It Cure

Firmly push the epoxied extension into the shaft butt. A slight twisting motion as you insert it will help spread the epoxy evenly for a complete bond. Push it all the way in until it's fully seated. Immediately wipe away any excess epoxy that squeezes out with a clean rag.

Now, stand the club upright, leaning against a wall with the clubhead on the ground, and walk away. Don't touch it. Give the epoxy plenty of time to cure fully, which is usually around 24 hours. Check the manufacturer’s instructions, but resisting the temptation to mess with it is very important.

Step 7: Re-grip Your Newly Extended Club

After the epoxy has fully cured, it's time to finish the job. Your club is longer, but it's useless without a grip.

  1. Secure the club in the vise again.
  2. Apply new, double-sided grip tape, extending slightly over the end of the newly installed extension. Tuck the excess into the hole at the end.
  3. Liberally douse the tape with grip solvent. Swirl some solvent inside the new grip, cover the butt end with your finger, and shake it to coat the inside.
  4. Pour the excess solvent from the grip over the tape, and quickly slide the new grip on. Push it all the way down.
  5. You have a few seconds to align the grip pattern to be perfectly straight before the tape begins to stick. Once it’s aligned, wipe away any mess and let the grip set for a few hours before you swing it.

Final Thoughts

Extending a graphite shaft is a highly doable and rewarding project that can make a genuine difference in your game. By giving you the proper club length, it allows for a more comfortable and athletic setup, which paves the way for better posture and a more consistent swing. Take your time with each stage, and you'll have a set of custom-fit clubs for a fraction of the cost.

Making a physical change to your equipment like this is a big step, but it's just one piece of the puzzle. The next question is how you use an adjusted club on the course. We built our app, Caddie AI, to help you bridge the gap between your gear and your on-course strategy. For tricky approach shots with a newly lengthened 7-iron, or deciding if a longer driver is the right play on a tight fairway, you can get immediate, intelligent advice. It's like having a real-time coach analyze the situation and recommend the smartest decision, so you can stop second-guessing and play with total confidence.

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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