How Are Fishing Lures Made? The Science of Modern Angling Gear

Table of Contents

1. Introduction
2. The Foundation of Lure Design
3. Materials Used in Lure Manufacturing
4. How Hard Baits Are Made
5. The Manufacturing of Soft Plastics
6. How Metal Lures Are Made
7. The Assembly Phase: Bringing It All Together
8. DIY: How to Make a Simple Spinnerbait at Home
9. Evaluating Lure Quality
10. The Role of Tradition: Hand-Carved Lures
11. Specialized Lures: Jigs and Flies
12. Innovation in Lure Making
13. Bottom Line: Knowledge Improves Results
14. FAQ

Introduction

The moment a predatory fish explodes from the shadows to strike a lure is one of the most exhilarating experiences in the outdoors. For centuries, anglers have used everything from carved bone to polished spoons to fool fish into biting. Today, the lures we carry in our tackle boxes are the result of sophisticated engineering and precise manufacturing. At BattlBox, we know that understanding how your gear is made is the first step toward using it more effectively. Whether it is a hand-carved balsa crankbait or a mass-produced soft plastic worm, the process involves a careful balance of physics, chemistry, and artistic design. This article covers the materials and methods used to create the industry's most popular lures. If you want to build your next setup around gear that shows up ready to use, choose your BattlBox subscription.

Quick Answer: Fishing lures are primarily made through injection molding for plastics, stamping for metals, and precision carving for wood. The process involves designing for specific hydrodynamic action, selecting durable materials like plastisol or stainless steel, and finishing with high-visibility paints and sharp hardware.

The Foundation of Lure Design

Before a single piece of material is cut or molded, a lure begins as a concept. Modern lure design often starts with Computer-Aided Design (CAD) software. Engineers use these programs to simulate how a lure will move through the water. They must account for buoyancy, drag, and the center of gravity to ensure the lure "swims" correctly. If you want a practical next step, browse our Fishing collection.

Hydrodynamics and Action

Every lure is designed for a specific "action." This refers to the way it vibrates, wobbles, or darts when retrieved. For example, a crankbait needs a specific lip angle to dive to a certain depth. A topwater popper needs a cupped face to create a distinct splashing sound. Designers test prototypes in water tanks to observe these movements before moving to mass production. For more on rigging and presentation, see how to put on a fishing lure.

Weighting and Balance

The placement of internal weights is critical. Most hard-body lures use lead, tungsten, or steel weights. These are strategically placed to ensure the lure casts far and remains stable in the water. Some lures even include "rattles"—small metal beads in an internal chamber that create noise to attract fish in murky water. A compact system like Exotac xREEL Roundabout Kit shows how hooks, lures, and weights can be organized together.

Materials Used in Lure Manufacturing

The choice of material dictates the lure's durability, buoyancy, and overall performance. Manufacturers select materials based on the specific type of fishing the lure is intended for.

That broad range is why the Hunting & Fishing collection is worth a look when you're building a more complete setup.

Hard Plastics (ABS)

Most mass-produced hard lures are made from Acrylonitrile Butadiene Styrene (ABS) plastic. This material is impact-resistant and can be molded into complex shapes with thin walls. It allows for internal chambers that hold weights and rattles. For a build-level walkthrough, check out how to make fishing lures.

Soft Plastics

Soft lures are made from a liquid plastic called plastisol. This is a suspension of PVC particles in a liquid plasticizer. When heated to about 350 degrees Fahrenheit, it becomes a clear, pourable liquid. Manufacturers can add glitters, colors, and even salt or scents to the mix during this stage. If you want a hands-on DIY angle, see how to make soft plastic fishing lures.

How Hard Baits Are Made

Hard baits, such as crankbaits and jerkbaits, undergo a multi-step manufacturing process that combines high-tech molding with hand-finished details.

Injection Molding

The process begins with injection molding. Two halves of the lure body are created by injecting molten ABS plastic into a steel mold at high pressure. This ensures that every lure is identical. If the design includes internal rattles or weight-transfer systems, these components are placed inside the halves before they are joined.

Sonic Welding

Once the internal components are in place, the two halves are fused together. Most modern factories use ultrasonic welding. This process uses high-frequency vibrations to melt the plastic at the seam, creating a permanent, watertight bond. This is superior to glue because it does not add extra weight or chemical odors.

Painting and Finishing

After welding, the lure body is smoothed to remove any "flash" (excess plastic from the mold). Then comes the artistry. Lures are often painted using airbrushes or automated sprayers.

• Base Coat: A primer is applied to help the paint stick.
• Coloring: Layers of paint are added to create patterns like "firetiger" or realistic shad imitations.
• Clear Coat: A thick, durable epoxy or UV-cured resin is applied to protect the paint from fish teeth and rocks.

If you want to see how those styles translate on the water, how to fish different types of lures is a useful companion guide.

Key Takeaway: The durability of a hard bait comes from the sonic welding of ABS plastic and the quality of its protective clear coat.

The Manufacturing of Soft Plastics

Soft plastics are favorites for bass and saltwater fishing because of their lifelike texture. The manufacturing process is generally faster than that of hard baits but requires precise temperature control.

Open Pour vs. Injection

There are two main ways to make soft plastics:

1. Open Pour: The liquid plastisol is hand-poured into an open-faced mold. This is common for custom lure makers and creates lures with one flat side.
2. Injection: Liquid plastic is forced into a closed, multi-cavity mold. This allows for complex, 360-degree shapes like ribbed worms or creature baits with multiple appendages.

Adding Scent and Salt

Many soft plastics are "impregnated" with salt or scent. Salt increases the weight of the lure, making it sink faster and allowing for longer casts. Scents, often based on garlic, crawfish, or anise, are added to the liquid plastic so the smell lasts longer than a simple topical spray.

Cooling and Curing

After the plastic is poured or injected, it must cool. If the lure is removed from the mold too quickly, it can warp. Once cooled, the lures are often "scented" one last time before being bagged to prevent them from drying out or sticking together.

How Metal Lures Are Made

Metal lures, including spoons and spinner blades, rely on flash and vibration. Their manufacturing is rooted in metalworking techniques.

Stamping and Blanking

Spoons start as sheets of stainless steel, brass, or copper. A heavy industrial press uses a die to "stamp" the shape of the spoon out of the sheet. At the same time, the press can give the metal its concave shape. This curve is what causes the spoon to wobble and flash in the water.

Plating and Polishing

Raw metal blanks are often dull. To get that mirror-like finish, they undergo electroplating. They are dipped in baths of nickel, chrome, or even 24k gold. After plating, they are polished to a high shine. Some metal lures are also painted or have holographic "stickers" applied to add color. If you're curious how flash, wobble, and vibration change fish behavior, read what lures attract what fish.

Wire Forming

For spinners and spinnerbaits, the "skeleton" of the lure is a stainless steel wire. This wire must be stiff enough to maintain its shape but flexible enough to vibrate. Machines or specialized hand tools are used to bend the wire into the required shapes, including the R-bend for spinnerbaits or the loops for inline spinners.

The Assembly Phase: Bringing It All Together

Once the bodies and blades are made, the final assembly takes place. This is often done by hand to ensure quality control.

Hardware Installation

A lure is only as good as its hooks. High-quality manufacturers use chemically sharpened hooks from brands like Mustad, Eagle Claw, or VMC.

• Split Rings: These small, circular springs connect the hooks to the lure body. They must be strong enough to resist bending during a fight.
• Figure-Eight Ties: On many hard baits, the hooks are attached to wire loops that are molded directly into the body.

For a compact handline option that mirrors the same line-and-hook logic, Exotac xREEL is a useful benchmark.

Quality Control and Tank Testing

Premium lure makers test a percentage of every batch in a "test tank." A worker pulls the lure through the water to ensure it tracks straight. If a crankbait "hunts" (veers to one side), it is discarded or adjusted. We value this attention to detail in the gear we select for our members. When you are buying gear or looking at what comes in your monthly delivery, you should know how to spot a high-quality lure.

DIY: How to Make a Simple Spinnerbait at Home

You don't need a factory to make effective fishing lures. Making your own gear is a classic bushcraft and outdoor skill that increases your self-reliance. For a broader self-reliance setup, the Emergency Preparedness collection fits that mindset well.

Step 1: Gather your materials. You will need stainless steel wire (approx. .035 diameter), a lead-head jig, a spinner blade, a swivel, and a silicone skirt.

Step 2: Bend the wire frame. Use needle-nose pliers to bend the wire into a "V" shape. Create a small loop at the top of one arm—this is where your line will tie.

Step 3: Attach the blade. On the upper arm of the "V," slide on a few small metal beads, then a clevis (a small U-shaped metal bracket) attached to your spinner blade. Fold the end of the wire over to keep the blade in place.

Step 4: Attach the jig head. The bottom arm of the "V" is typically where the weighted jig head sits. Many DIY kits allow you to slide the jig onto the wire before making a final bend to secure it.

Step 5: Add the skirt. Slide a silicone or rubber skirt over the collar of the jig head. This hides the hook and adds movement.

Note: Always use pliers when bending wire to ensure tight loops and to prevent the wire from snapping back and causing injury.

For a ready-made backup for line, repairs, and fishing, Exotac ripSPOOL is a practical field companion.

Evaluating Lure Quality

When you are buying gear or looking at what comes in your monthly delivery, you should know how to spot a high-quality lure. Not all lures are created equal. A small tackle box benefits from the same thinking as the EDC collection.

Seamless Construction

Look at the seam where the two halves of a hard bait meet. On a high-quality lure, this seam should be almost invisible. If you see gaps or excess glue, the lure may leak and lose its buoyancy.

Component Strength

Give the hooks and split rings a firm tug (carefully). They should not bend or open under moderate pressure. Check the "eye" of the lure; it should be centered and securely anchored.

Paint Durability

A good lure has a thick clear coat. If the paint feels "thin" or scratches easily with a fingernail, it won't last long against rocky bottoms or toothy predators like pike or walleye.

The Role of Tradition: Hand-Carved Lures

While plastic dominates the market, many professional anglers still swear by wood. Balsa and cedar lures are made through a process of precision carving. For a deeper dive into craftsmanship, see How to Make Handmade Fishing Lures.

The Carving Process

Manufacturers use CNC (Computer Numerical Control) machines to carve lure bodies from wood blocks with incredible accuracy. However, because wood is a natural material, every piece has a slightly different density.

Sealing the Wood

Wood is porous. If the outer shell of a wooden lure is punctured, it will soak up water and stop swimming correctly. To prevent this, wooden lures are dipped in specialized sealants multiple times before they are painted. This makes them more expensive but gives them a unique, "organic" action that plastic can't always replicate.

Myth: "Mass-produced plastic lures are always better than handmade ones." Fact: While plastic lures are more consistent, many handmade wooden lures have a unique vibration and buoyancy that makes them more effective in specific conditions.

Specialized Lures: Jigs and Flies

Some lures don't fit the "hard" or "soft" plastic categories. Jigs and flies are hybrid lures that require different manufacturing skills. If you want a compact food-procurement tool that still keeps fishing in the mix, Speedhook Emergency Fishing and Trapping Kit is a natural fit.

Lead Pouring

Jigs are made by placing a hook into a two-piece mold and pouring molten lead (or a non-toxic alternative like bismuth) around the head of the hook. Once cooled, the lead head is painted with a durable powder coating that is baked on in an oven.

Hand-Tying

The "dressing" on a jig or a fly—feathers, bucktail, or synthetic fibers—is almost always applied by hand. A worker uses a vise to hold the hook and wraps thread around the materials to secure them. This is a time-consuming process that requires significant manual dexterity.

Innovation in Lure Making

The industry is constantly moving toward more realistic and environmentally friendly designs. If you are curious about budgets as you experiment, how much do fishing lures cost helps frame the tradeoffs.

3D Printing

Many designers now use 3D printers to create functional prototypes in hours rather than weeks. While most 3D-printed plastics aren't yet durable enough for mass-market lures, the technology is used to refine shapes before the steel molds are cut.

Non-Toxic Materials

As regulations change, more lures are being made from tungsten, tin, and bismuth instead of lead. While these materials are more expensive and harder to work with, they are safer for the environment. Soft plastic manufacturers are also moving toward "biodegradable" formulas that break down if a fish swallows the lure or if it is lost in the water.

Bottom Line: Knowledge Improves Results

Understanding how your lures are made allows you to choose the right tool for the job. You’ll know when to reach for a durable ABS plastic crankbait when fishing around rocks, or when a delicate balsa minnow is needed for a subtle presentation. At BattlBox, we curate our selections based on these manufacturing standards because we want our community to have gear that performs when it matters most. Our mission is to deliver expert-selected gear that helps you build your skills and your confidence in the field. Build your next kit with a BattlBox subscription.

Key Takeaway: Quality manufacturing is the difference between a lure that catches fish and a lure that just takes up space in your tackle box.

FAQ

What is the most durable material for a fishing lure?

ABS plastic is widely considered the most durable material for hard-body lures. It is highly impact-resistant, which means it won't crack if you accidentally cast it against a rock or a dock piling. Combined with a high-quality clear coat, ABS lures can last for years of regular use. In BattlBox terms, that same rugged mindset shows up across our Fishing collection.

Why are some lures so much more expensive than others?

Price differences usually come down to the manufacturing process and components. Expensive lures often feature hand-painted details, specialized internal weight-transfer systems for longer casting, and premium hooks. They also undergo more rigorous quality control, such as individual tank testing, to ensure they swim perfectly out of the box. To compare the range yourself, read how much do fishing lures cost.

Can I melt down old soft plastic lures to make new ones?

Yes, you can recycle old soft plastics by cutting them into small pieces and heating them in a microwave-safe container until they turn back into a liquid state. However, you must do this in a well-ventilated area, as the fumes can be harmful. You also should avoid mixing different brands of plastic, as their chemical formulas may not be compatible. If you want more on that DIY side, see how to make soft plastic fishing lures.

What is the purpose of the "lip" on a crankbait?

The lip, or bill, serves two main purposes: depth and action. The size and angle of the lip determine how deep the lure will dive when you reel it in. It also creates resistance against the water, which causes the lure to wobble from side to side, mimicking the movement of a swimming baitfish. For another angle on retrieve and presentation, how to use fishing lures for saltwater success is a useful companion read.