CNC machined 12oz 16oz spider sinker aluminum mold

Professional CNC machined aluminum mold designed for producing 12 oz and 16 oz spider sinkers for surf and beach fishing.

This precision mold is manufactured from a solid 25 mm thick 6082 aluminum block, providing excellent durability, dimensional accuracy, and heat conductivity for consistent lead casting results.

The mold features dedicated 12 oz and 16 oz cavities, allowing you to produce two different sinker sizes with the same mold.

Features

• CNC machined from solid 6082 aluminum
• 12 oz and 16 oz spider sinker cavities
• Designed for #3 brass eyes
• Slots for 1/8" wire legs
• Precision-machined cavities for consistent casting
• Excellent heat conductivity
• Durable construction for repeated use
• Smooth cavity surfaces for easier casting and release
• Heavy-duty hinge and handles included

Available Configurations

The standard mold includes:

• 1 × 12 oz cavity
• 1 × 16 oz cavity

If you prefer to produce only one size, we can also manufacture:

• Double 12 oz configuration
• Double 16 oz configuration

Please contact us before ordering if you need one of these configurations.

Custom Mold Manufacturing

Need a different sinker weight, cavity configuration, wire diameter, or a completely custom spider sinker design?

We specialize in manufacturing custom CNC machined aluminum fishing molds according to your CAD files, technical drawings, sketches, or specific requirements.

We can manufacture molds for:

• Spider sinkers
• Fishing weights
• Trolling sinkers
• Net sinkers
• Deep drop weights
• Jig heads
• Soft plastic fishing lures
• Custom lead casting applications

Manufacturing & Shipping

Every mold is CNC machined to order for maximum precision and consistent quality.

• Manufactured from 6082 aluminum
• Precision CNC machining
• Heavy-duty hinge and handles included
• Worldwide DHL Express shipping

Manufactured by PrototypingNS – Precision CNC Machining & Custom Aluminum Mold Manufacturing.