Pilker & Saltwater Weight Molds

A pilker or saltwater weight mold determines the shape, weight and basic construction of the finished casting. Do not start by looking only at the weight. First decide whether you want to make a complete metal fishing lure, a jig head for a soft plastic lure or a sinker for a saltwater rig. Then choose the appropriate shape, weight and required inserts or components.

Choose the weight according to depth, current, drift and presentation style. A lighter pilker or sinker allows a slower fall and more delicate presentation, while deeper water, stronger current or faster boat drift may require significantly more weight. The aim is not automatically to use the heaviest casting, but the lightest weight that still allows you to reach the intended fishing depth and maintain control of the rig.

This category includes several structurally different types of molds. With a pilker mold, the casting forms the metal lure itself. A saltwater jig head, on the other hand, is cast around a suitable jig hook and subsequently fitted with a soft plastic lure. Terminal and halibut sinkers form part of a fishing rig, and their primary purpose is to bring the complete setup to the required depth.

The shape of a pilker influences weight distribution, sinking speed and how the lure responds to rod movements and current. A compact, heavy body will generally hold depth more easily, while an elongated or profiled shape may change direction more noticeably during the fall or retrieval. The actual action always depends on the combination of shape, weight, hook rigging, retrieval speed and water conditions.

When vertical jigging from a boat, pay particular attention to the line angle and your ability to maintain contact with the lure or rig. If current or drift carries the setup too far away from the boat and you lose control of its descent, a heavier weight may be necessary. If a lighter casting allows you to maintain proper control, there is no reason to overload the setup unnecessarily.

For casting and spinning, the total weight of the finished lure and the rod's casting weight rating are also important. The weight stated for a mold refers to the casting itself; after adding eyes, split rings and hooks, the complete lure will be slightly heavier. Always consider the total assembled weight before casting, not just the number shown in the mold specification.

Individual molds also differ in the way their internal components are fitted. Some require separate metal eyes, others use a through-wire construction, while certain designs are made for a jig hook, wire insert or another component. Do not automatically transfer component types or dimensions from one mold to another. Always follow the specification of the exact product.

In a through-wire pilker, the wire forms a continuous connection between the upper and lower attachment points of the finished lure. In designs using separate eyes, each eye is individually anchored in the casting. Before pouring, all metal components must be correctly positioned in the prepared grooves, and the mold must close completely without moving or deforming them.

If the mold requires a jig hook, the same principles apply as with conventional jig head molds. The same numerical hook size or eye angle does not guarantee identical dimensions. Shank length, wire diameter, bend geometry and eye position must match the specific mold cavity.

One mold may contain several separate cavities with different casting weights. If the cavities are filled individually, you can cast only the weight you need. This allows you to produce a graduated range of lures or sinkers from one mold and adjust the weight on the water according to current, drift and depth.

For pilkers, select the final hook rigging according to the exact shape, size and intended application. Split rings must move freely through the attachment eyes, and single, double or treble hooks must have sufficient clearance to move correctly. Hook size numbering is not universal across manufacturers, so suitability should never be judged by the numerical size alone.

Adhesive eyes, coloured finishes and other visual features are part of the lure-finishing process rather than the basic mold design. If a casting includes recessed or flat areas for eyes, use the dimensions specified for the individual product. Apply the eyes only to a clean, dry and completely cooled surface.

The surface of finished pilkers and jig heads can be coated using a suitable powder paint or rubberised coating system, depending on the product. Clean and degrease the surface before application, and follow the paint manufacturer's instructions for temperature, number of coats and curing. After finishing, check that no paint has blocked the attachment eyes or other functional parts of the lure.

The weights stated for casting molds refer to the material for which the mold was specified – usually lead in the case of conventional lead molds. If you use another compatible low-melting metal or alloy with a different density, the finished casting weight will also change. We therefore recommend weighing the first completed casting.

For lighter saltwater spinning and shallower water, compact pilkers weighing a few tens of grams can be suitable. Medium weights cover many vertical fishing applications for cod, coalfish and pollack, while heavy pilkers and sinkers weighing several hundred grams are designed for greater depth, stronger drift and deep-sea rigs. Always match the actual weight to the conditions on the water.

For halibut fishing, this category includes not only heavy pilkers and jig heads but also separate terminal sinkers in different shapes. These can be used in rigs with natural or artificial baits, where their main function is to bring the complete setup to the intended fishing depth. Do not automatically treat a heavy sinker as a fishing lure simply because of its shape or weight.

Trolling weights and other specialised molds have their own intended applications. With weights designed to be pulled behind a boat, the attachment point, boat speed, drag of the complete rig and required working depth are just as important as weight. Always consider the construction of the specific mold and the complete fishing setup.

Before every casting session, prepare a clean and completely dry mold. All attachment eyes, through-wire inserts, hooks and other components must also be completely dry. Check their correct positioning and make sure the mold closes fully before any contact with molten metal.

When working with lead or another low-melting metal, wear safety glasses, suitable gloves, long clothing and closed footwear. Work on a stable, heat-resistant surface with effective ventilation. Keep water, drinks and damp tools away from the casting area, and follow the instructions supplied with the mold, metal and melting equipment.

Keep equipment used for lead casting separate from kitchen utensils and household tools. Do not eat, drink or smoke while working, and wash your hands thoroughly after finishing. Never pour molten metal into a wet or damp mold.

If you need a lure for a specific fishing depth, start with the fishing method and required weight range, then choose the appropriate pilker shape. If you are assembling a rig, start with the rig design and select a sinker mold that matches the attachment method and required weight. For saltwater jig heads, always verify compatibility with the exact jig hook.

For separate jig heads cast around hooks, explore additional designs in our jig head molds category. For every saltwater mold, always follow the specific information about casting weight, required components and assembly method.

Frequently asked questions – pilker and saltwater weight molds

How do I choose the right pilker mold?

First determine the fishing method and weight range you need. Then choose the pilker shape and check which attachment eyes, through-wire inserts or other components are required for the specific mold.

What pilker weight should I choose?

Use the lightest weight that still allows you to reach the required depth reliably and maintain contact with the lure. Increase the weight gradually when current, drift or fishing depth makes a heavier lure necessary.

Is a heavier pilker always better for deep-water fishing?

Additional weight helps overcome current and drift, but an unnecessarily heavy lure can reduce sensitivity and affect the presentation. Choose the weight according to actual conditions, not depth alone.

What is the difference between a pilker and a saltwater jig head?

A pilker is a complete metal fishing lure fitted with split rings and hooks after casting. A jig head is a lead or metal component cast around a jig hook and subsequently fitted with a soft plastic lure.

Does every mold require a through-wire insert?

No. Some molds use a continuous through-wire construction, while others require separate attachment eyes, a jig hook or another insert. Always follow the specifications of the individual mold.

Can I cast only one weight from a multi-cavity mold?

Yes, provided that the individual cavities are filled separately. Unused cavities do not have to be filled during every casting cycle.

Are attachment eyes, wire inserts and hooks included with the mold?

Unless explicitly stated otherwise in the product description, select the necessary accessories separately. Always check the required component type and dimensions before ordering.

Can I use a metal other than lead in the mold?

Only if the material is compatible with the specific mold and its temperature limits. A different metal or alloy density will change the weight of the finished casting, so weigh the first completed piece.

How do I choose a sinker for deep-sea fishing?

Consider the fishing depth, current, boat drift, line diameter and drag of the complete rig. The aim is to use enough weight to reach the working depth reliably while retaining control of the setup.

Must the mold and inserted components be dry before casting?

Yes. The mold, attachment eyes, through-wire inserts, hooks and all tools that may contact molten metal must be clean and completely dry. Contact between water and molten metal is dangerous.

How can I work safely when casting pilkers and saltwater weights?

Wear safety glasses, suitable gloves, long clothing and closed footwear. Work on a stable, heat-resistant surface with effective ventilation, and follow the instructions supplied with the mold, metal and melting equipment.

→ For jig heads cast around hooks, explore our jig head molds.

→ Choose a pilker or sinker mold according to shape, weight and the required components.