Golf Tutorials

What Are Golf Putters Made Of?

By Spencer Lanoue
July 24, 2025

Ever wonder what gives your putter that specific sound and feel when it connects with the golf ball? The answer lies in the materials it's made from, a critical and often overlooked part of finding the flatstick that’s right for your game. This article will break down the different materials used to craft putters, from the common to the exotic, and explain how each one influences feel, performance, and your confidence on the greens.

The Heart of the Putter: Head Materials

The putter head is where the magic happens, and the metal it’s forged or milled from is the single biggest factor in its overall character. Manufacturers primarily use two families of metals, with several others used for specific purposes.

All-Around Performer: Stainless Steel

Stainless steel is the workhorse of the putter world. It’s the most common material you'll find, and for good reason. It offers an excellent balance of softness, durability, and cost-effectiveness. When someone describes a putter as having a “crisp” or “solid” feel at impact, there's a good chance it's made from stainless steel.

You’ll often see two main grades mentioned in product descriptions:

  • 303 Stainless Steel: This is considered the premium standard by many putter makers, including Scotty Cameron and Bettinardi. It’s relatively soft and easy to mill into intricate shapes, resulting in a responsive feel that provides clear feedback on your strike quality. It feels fantastic on a center-face strike and gives a slightly more defined "click" than its carbon steel cousins.
  • 304 Stainless Steel: A slightly harder blend, 304 is incredibly durable and resistant to dings and corrosion. It often produces a firmer feel and a higher-pitched sound. It's an excellent, no-fuss material often found in cast putters, which are made by pouring molten metal into a mold rather than being milled from a solid block.

Who is stainless steel for? A stainless steel putter is a fantastic choice for almost any golfer. It’s a great starting point if you're unsure of your preferences. It provides good feedback without being overly harsh on mishits, and it requires virtually zero maintenance beyond a quick wipe-down.

The Aficionado’s choice: Carbon Steel

If stainless steel is the reliable daily driver, carbon steel is the finely-tuned sports car. Beloved by purists and tour professionals, carbon steel is renowned for one thing: its exquisitely soft feel. When you pure a putt with a premium milled carbon steel head, the sensation is less of a "click" and more of a soft, satisfying “thud.”

Common grades include:

  • 1018 or 1025 Carbon Steel: These are very soft grades of steel. Think of them as a cleaner, purer form of metal without the chromium and nickel found in stainless steel. This purity is what creates that buttery feel, allowing the ball to feel like it melts into the face at impact.

However, that purity comes with a catch. Carbon steel is susceptible to rust and requires regular care. Without the protective elements of stainless steel, it can oxidize when exposed to moisture and air. Most carbon steel putters have a special finish (like Black Oxide or oil can) to protect them, but you’ll still need to wipe them down after your round and apply a bit of baby oil or a silicone cloth periodically to keep them looking pristine.

Who is carbon steel for? Golfers who prioritize feel above all else. If you desire the softest possible sensation and appreciate the craftsmanship of a finely milled club, carbon steel is for you. You just have to be willing to put in a little extra effort to maintain it.

Multi-Material and Modern Marvels

Modern putter design, especially in mallets, is all about maximizing Moment of Inertia (MOI), which is a fancy term for stability or resistance to twisting on off-center hits. To achieve ultra-high MOI, designers use a mix of materials with different densities.

  • Aluminum: Extremely lightweight and cheap, aircraft-grade aluminum is often used for the main body or chassis of a mallet putter. Because the central part of the putter is so light, engineers can re-distribute that saved weight to the club’s perimeter.
  • Tungsten: This is where the saved weight goes. Tungsten is incredibly dense - much heavier than steel. By placing heavy tungsten weights in the far heel and toe sections of a lightweight aluminum mallet, designers dramatically increase the putter's stability. When you mis-hit a putt with a high-MOI mallet, the head twists far less, helping the ball roll closer to your intended line and with better speed. This is the secret behind the forgiveness of putters like the TaylorMade Spider series.
  • Copper & Bronze: These older materials offer a unique feel that is both soft and heavy. Many players love the rich, deep impact feel of a pure copper putter. They also develop a beautiful, natural patina over time.

More Than a Feeling: Putter Face Inserts

Many modern putters don’t have a milled metal face at all. Instead, they feature an "insert," which is a separate piece of material fitted into a cavity in the putter head. Inserts are designed to fine-tune the feel and performance right at the point of impact.

Softening the Blow: Elastomer & Polymer Inserts

The most famous example is Odyssey's White Hot insert. This type of insert is made from a soft urethane material, similar to what's used in the cover of a premium golf ball. The goal is to create a very soft, muted feel and sound.

This is particularly useful for two types of players:

  1. Those who play on very fast greens.
  2. Those who use a firm-feeling golf ball.

A soft insert can prevent the ball from feeling "clicky" or jumping off the face too quickly on fast greens, helping you control your distance. They give you the sensation of the ball staying on the face for a fraction longer, improving your feel for speed.

Getting a Better Roll: Grooved Metal Inserts

Another popular technology is using inserts with milled grooves. You’ll see this in TaylorMade's Pure Roll and PING's various groove technologies. These aren't necessarily about feel, they are about performance.

The science is simple: a golf ball can skid, skip, or bounce for the first few inches after impact before it starts rolling end-over-end. These grooves are designed to grip the ball at impact, imparting topspin and getting it into a smooth, true roll much faster. Less skidding means a more predictable and consistent roll. These inserts can be made of aluminum, polymer, or steel and offer a feel that is generally firmer than a soft elastomer insert.

The Supporting Cast: Shafts and Grips

While the head and face get all the attention, what they’re connected to matters too.

Putter Shafts

The standard for decades has been a simple, stepless steel shaft. It’s reliable and gets the job done. However, in recent years, a new technology has emerged. Companies like Odyssey with their Stroke Lab shafts have introduced multi-material shafts that are part steel and part graphite. The idea is to remove weight from the shaft and redistribute it to the head and the butt end of the grip. This change in weight distribution is designed to balance the putter in a way that helps you create a smoother, more repeatable putting stroke. It promotes a better tempo and can be a game-changer for players who get "handsy" or jerky with their stroke.

Putter Grips

Putter grips are made from a variety of materials, each offering a distinct feel.

  • Rubber: Traditional, simple, and provides good sensory feedback. Brands like Lamkin and Golf Pride make iconic rubber grips.
  • Polyurethane Foam: Popularized by SuperStroke, these larger, lightweight grips are made from a soft, tacky polyurethane foam. The oversized shape is designed to quiet your wrist action and encourage a more "rocking" motion with the shoulders.
  • Leather: The ultimate in classic luxury. Genuine leather grips offer a firm, tacky, and highly responsive feel that tells you exactly where you struck the putt on the face.

How to Choose the Right Material for Your Game

So, with all these options, how do you find the right one?

Step 1: Focus on Feel and Sound. This is the most personal aspect. Go to a golf store and hit putts with different putter head materials. Take note of what you prefer.

  • Do you like a soft, quiet impact sound (a "thud")? Look at carbon steel heads or putters with soft elastomer inserts.
  • Do you prefer a more solid, responsive feel and crisp sound (a "click")? Focus on milled stainless steel.

Step 2: Match the Feel to Your Greens. Think about the courses you play most often.

  • For fast greens, a softer feeling putter (carbon steel or soft insert) can help you feel like you have more control over the ball's speed.
  • For slow greens, a firmer face (stainless steel or a grooved insert) can help you feel like you're putting a more confident stroke on the ball, ensuring it gets to the hole.

Step 3: Consider Forgiveness. If you struggle with consistency and don't always find the middle of the face, your best bet is a multi-material mallet putter. The high MOI created by combining lightweight aluminum and heavy tungsten will be your best friend, minimizing the damage of your mishits.

Final Thoughts

Understanding what your putter is made of bridges the gap between searching for a club and finding a partner for the greens. From the soft touch of carbon steel to the forgiving stability of a multi-material mallet, each component is engineered with a specific sight, sound, feel and purpose. By aligning these materials with your stroke and personal preferences, you can find the putter that gives you the most confidence to make every putt.

Knowing the materials is step one, but in those tense moments on the course, sometimes you need a little more help matching the right read, speed, and club to the situation. We've built an AI-powered tool for just that purpose. When you're facing a tough putt and need a second opinion, our Caddie AI can analyze the situation and give you strategic advice in seconds. It a great tool to have to help you play smarter and with more confidence, especially on the greens where strokes are so often saved or lost.

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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