1/2 Pound Black Anodized Aluminum Jump Rings 18G 3/16 in ID - Bulk

In this review of the 1/2 Pound Black Anodized Aluminum Jump Rings, the bottom line is simple: this bulk pack is aimed at makers who need a large quantity of consistent, lightweight rings for jewelry or chainmail projects. The 4000+ rings per bag provide excellent value for practice, prototypes, or finished pieces, and the anodized finish gives a matte black look that most customers praise. Our review found them easy to work with, appropriately strong for aluminum, and particularly well suited to projects where weight and color uniformity matter.

Key Features

• Half pound bulk pack: Provides roughly 4000 rings by weight so you can complete larger projects or experiment with weaves without constantly reordering.
• 3/16 in inside diameter: The 5 mm ID is a versatile size that fits many common chainmail weaves and jewelry applications for proportional sizing.
• 16 AWG wire thickness: The 1.2 mm wire (18 SWG) gives a solid feel and reasonable tensile strength while keeping each ring lightweight.
• Saw cut closures: Rings are cut with a precise jeweler's saw (0.008 in thick blade) so closures sit neatly and close cleanly for a better finished appearance.
• Anodized matte black finish: The anodizing process creates a dyed porous surface for durable color, producing a consistent matte black that many makers find attractive.
• Extra included for defects: The bag contains additional rings to account for cutting defects, so you are less likely to run short during assembly.

Who It's For

This half pound pack is best for hobbyists and small-scale makers who need a high volume of uniform, lightweight rings for jewelry, experimentations with weaves, or costume chainmail. It suits crafters who value a matte black anodized look and want rings that are easy to manipulate by hand or with simple pliers.

Those who need perfectly flawless rings for high-stress mechanical uses or who require a single exact color lot for a very large production run should be cautious; color shade can vary between batches and each ring has an un-anodized cut area that will show if not closed properly.

Pros & Cons

Pros

• High quantity per bag provides strong value for practice and large pieces.
• Matte black anodized finish is attractive and consistent for most batches.
• Saw cut closures produced with a precise jeweler's saw result in neat, closeable rings.
• Lightweight aluminum makes finished items comfortable to wear or use.

Cons

• Color shade can vary between batches, so orders for large projects should be placed together.
• Rings have a small un-anodized area at the cut that can show if not closed properly and some rings may include occasional defects.

Specifications

Material	Aluminum (anodized)
Pack weight	1/2 pound (approx. 4000 rings)
Inside diameter (ID)	3/16 in (5 mm)
Outside diameter (OD)	~3/10 in (7.5 mm)
Wire thickness	16 AWG / 18 SWG (1.2 mm)
Aspect Ratio (AR)	4.0
Cut style	Saw cut with jeweler's saw (0.008 in blade)

Our Verdict

The 1/2 Pound Black Anodized Aluminum Jump Rings are a practical, cost-effective choice for crafters who need volume, a matte black finish, and rings that are easy to work by hand. They are good value for jewelry makers and chainmail hobbyists, though those needing exact color matching or absolutely flawless pieces should plan batch purchases accordingly.

Frequently Asked Questions

How many rings come in a half pound?
There are approximately 4000 rings by weight in each 1/2 pound bag, with extra included to cover defects.

Will the black finish rub off?
The anodized dye creates a porous colored surface that is fairly durable, but aluminum can scratch more easily than harder metals, so some wear or surface marks may appear with heavy use.

Are the rings fully closed?
Each ring is saw cut and will have an un-anodized cut area; when closed properly the joint should appear solid in color and sit neatly for most projects.