Golf Tutorials

How to Make Golf Ferrules

By Spencer Lanoue
July 24, 2025

Crafting your own golf ferrules is one of the most rewarding ways to add a personal touch to your clubs, turning a standard set into something uniquely yours. It’s a project that combines a bit of workshop skill with a deep appreciation for the finer details of the game. This guide will walk you through the entire process, from sourcing materials to turning, finishing, and installing your own custom ferrules.

What Exactly Is a Golf Ferrule?

First, let’s be clear about what we’re making. A golf ferrule is that small, typically black, plastic ring that sits right where the shaft enters the hosel (the top part of the clubhead). Functionally, its primary job has evolved over time. Originally, it helped secure a pin holding the head to a wooden shaft. Today, on modern clubs, the ferrule serves two main purposes:

  • It’s a cosmetic transition piece. It smooths the visual line from the wider hosel down to the slimmer shaft, providing a clean, finished look. Without it, you’d see a sometimes-sharp edge and a bit of a gap.
  • It provides a buffer for the epoxy bond. During assembly, it helps contain the epoxy and can slightly cushion the shaft entry point.

While you can buy ferrules off the shelf, making them yourself opens up a world of customization. You can create unique colors, patterns, and sizes that reflect your personality - transforming your clubs from tools into statements.

Safety First: Precautions for the Workshop

Before an ounce of plastic is turned, safety has to be your top priority. You'll be working with a lathe and other power tools, which demand respect. Always follow these rules:

  • Eye Protection is Non-Negotiable: Wear safety glasses at all times. Small plastic shavings can and will fly off the lathe at high speed.
  • Dust Mask: Sanding and turning plastic creates fine dust that you don't want to inhale. A simple dust mask or a respirator is essential.
  • No Loose Clothing or Jewelry: Anything that can get caught in a spinning lathe must be removed or secured. This includes long sleeves, necklaces, and rings. Tie back long hair.
  • Understand Your Tools: Read the manual for your mini-lathe and any other power tools you use. Understand their operation, safety features, and limitations before you turn them on.

Gathering Your Tools and Materials

You don't need a massive industrial workshop to make ferrules. A small benchtop setup will do the trick perfectly. Here’s a breakdown of what you'll need.

Essential Tools

  • Mini-Lathe: This is the heart of the operation. A 7x12 or 7x14 mini-lathe, popular among hobbyists, is more than capable of handling ferrule turning.
  • Lathe Turning Tools: You'll need a set of carbide or high-speed steel (HSS) cutters. A pointed tool for grooves, a rounding tool for shaping, and a parting tool for cutting the finished ferrule off are the most important.
  • Drill Chuck and Bits: You'll need a drill chuck for the lathe's tailstock and a set of drill bits to create the inner diameter (ID) of the ferrule.
  • Digital Calipers: Precision is everything. You cannot make a good ferrule without calipers to measure your shaft tip, hosel outer diameter (OD), and the ferrule itself.
  • Sandpaper: A variety of grits, from around 220 up to 2000 or higher (wet/dry automotive sandpaper works great).
  • -
  • Cutting Tool: A small hobby saw or the parting tool on your lathe to cut blanks from your plastic rod stock.

Recommended Materials

  • Ferrule Turning Stock: You can buy a wide variety of plastic rods specifically for this purpose. They come in many colors, layered patterns, and even with glitter or other inclusions. Acetate, ABS, or Delrin are common materials.
  • Acetone: Used for vapor polishing, which gives the ferrule a professional, glossy finish. Use with extreme caution in a well-ventilated area away from any flame source.
  • -
  • Polishing Compound: An alternative to acetone finishing, plastic polish can be used with a soft cloth to bring out a high shine.

Step-by-Step Guide to Turning Your First Golf Ferrule

With your workshop set up and materials ready, it's time for the fun part. We'll go through the process of creating one simple, single-color ferrule from start to finish. Once you master this, you can get creative with designs.

Step 1: Measure Everything Twice

The saying "measure twice, cut once" is doubly true here. You need two critical measurements:

  1. Shaft Tip Outer Diameter (OD): This determines the inner diameter (ID) of your ferrule. For irons, this is most commonly .355" for taper tips or .370" for parallel tips. Woods are typically .335" or .350". Always measure your specific shaft tip with your calipers to be certain.
  2. Club Hosel Outer Diameter (OD): This is the target OD for your ferrule. You want the ferrule to match this diameter perfectly for a seamless transition. Measure the hosel right where the ferrule will sit.

Write these numbers down. Let's imagine we're making a ferrule for a .370" parallel tip iron shaft, and the hosel OD is .540".

Step 2: Prepare the Blank

Take your plastic ferrule stock and cut a piece slightly longer than your desired finished ferrule length. Standard ferrules are often between 0.5" and 1.5" long. For a 1" ferrule, cutting a 1.25" blank gives you room to work. Mount this blank securely in your lathe's three-jaw chuck, ensuring only enough material sticks out to work on, which minimizes vibration.

Step 3: Drill the Center Hole (Inner Diameter)

Mount the appropriate drill bit into the drill chuck on your lathe's tailstock. For our .370" shaft, you might think a .370" (or 3/8") bit is perfect. However, it's often better to drill slightly undersize - say, with a 'U' drill bit (.368") or a 9.3mm bit (.366"). This creates a snug, interference fit that requires a little heat to install but ensures the ferrule won't slide around.

With the lathe spinning at a moderate speed, slowly advance the drill bit into the center of the plastic rod using the tailstock handwheel. Drill all the way through your blank.

Step 4: Turn the Outside Diameter (OD)

Now, bring your turning tool into position. Your goal is to slowly shave away plastic until the OD of the blank matches your target hosel OD (.540" in our example).

Take light passes. Shave off a small amount, stop the lathe, and measure with your calipers. Repeat the process, getting closer and closer to your target number. Resist the urge to take off too much at once. Once you hit your target dimension, make one final, very light "skimming" pass to ensure the surface is smooth.

Step 5: Add a Countersink (Optional but Recommended)

To improve how the ferrule sits on the hosel and helps the epoxy flow during assembly, it's good practice to add a slight countersink to the base of the ferrule (the end that will meet the hosel). You can do this with a countersink bit in the tailstock or very carefully with a sharp, pointed turning tool. You only need to create a small beveled edge on the inside bore.

Step 6: Finishing and Polishing on the Lathe

With the ferrule still spinning in the lathe, it's time to make it shine. Start with a lower grit sandpaper (like 220 or 320) to remove tool marks. Hold it lightly against the spinning ferrule. Work your way up through the grits: 400, 600, 800, 1000, 1500, and finally 2000. For the higher grits, a drop of water (wet sanding) helps create an even smoother finish.

After the final sanding, you can apply a plastic polishing compound with a soft microfiber cloth while the lathe is still spinning. This will bring the surface to a near-mirror shine.

Step 7: Parting Off the Ferrule

Measure your desired final length (e.g., 1 inch) from the hosel end of the ferrule and mark it. Using your parting tool, slowly feed it into the spinning plastic right at your mark. It will cut through and your finished ferrule will pop right off. Take a small file or a piece of sandpaper to just break the sharp edge on the cut end.

Congratulations, you’ve just made a custom golf ferrule!

Advanced Techniques and Installation Notes

  • Adding Rings: You can use a sharp, pointed tool (like a V-groove tool) to gently press into the spinning ferrule to create classic decorative rings. You can then fill these with model paint for a custom look.
  • Acetone Vapor Polishing: For a true glass-like finish, advanced makers use acetone vapor. This involves very briefly exposing the ferrule to acetone fumes (DO NOT SOAK IT). The fumes melt the very outer surface of the plastic, creating an incredible shine. This is a dangerous technique that should only be attempted with extreme caution, proper ventilation, and research.
  • Installation: To install the ferrule, you'll typically warm it slightly with a heat gun to expand it just enough to slide over the shaft tip. Don't overheat it. After applying epoxy to the shaft tip and installing the clubhead, slide the ferrule down and seat it firmly against the hosel.
  • Turning Down to Fit: A professional club builder’s secret is to install a ferrule that is slightly larger than the hosel OD. After the epoxy cures, they turn the head/ferrule by hand on a belt sander (or wrap sandpaper around the hosel and spin) to blend the ferrule perfectly flush with the hosel. This creates an absolutely seamless finish.

Final Thoughts

Making your own golf ferrules is a process that requires patience and attention to detail, but the payoff is a set of clubs that is truly one-of-a-kind. It connects you to your equipment on a deeper level and is a fantastic way to express your passion for the game in the workshop.

That same passion for detail translates directly to the golf course, where making smart, informed decisions is just as important as the equipment in your hands. When you’re faced with a tough decision on the course - like reading a tricky lie or choosing the right club for a complicated approach shot - Caddie AI provides that expert-level guidance instantly. You can even take a photo of your ball's lie, and the app will recommend the best way to play it, giving you the confidence to commit to every shot. It’s like having a tour-level caddie in your pocket, handling the guesswork so you can focus on swinging your beautifully customized clubs.

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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