Split Ring Size Guide: A Comprehensive Overview (Updated 01/01/2026)
Navigating the world of split rings requires understanding their measurements – diameter and gauge – crucial for jewelry making and beyond.
These rings, available in 133 languages via translation tools, come in diverse sizes, impacting strength and compatibility with hooks.

What are Split Rings?
Split rings, also known as jump rings, are fundamental fasteners utilized extensively in jewelry creation, keychains, and various crafting applications. Unlike closed rings, split rings possess a small opening, allowing for easy attachment and detachment of components. This split is created during the manufacturing process and is key to their functionality.
These versatile connectors are available in a vast array of sizes, measured by both diameter and gauge (thickness). The diameter dictates the ring’s overall size, while the gauge determines its strength and durability. Choosing the correct size is paramount to ensure a secure and aesthetically pleasing connection.
Understanding their construction and purpose is the first step in mastering split ring usage. They are essential for linking charms, securing keychains, and even forming the basis of intricate chainmaille designs. Proper opening and closing techniques, using pliers, are vital to avoid distortion and maintain ring integrity.
Understanding Jump Ring Terminology
When working with split rings, familiarity with specific terminology is crucial for accurate selection and communication. “Jump ring” and “split ring” are often used interchangeably, both referring to the same component – a metal ring with a gap for connection.
Diameter refers to the ring’s inner circle measurement, typically expressed in millimeters or inches. Gauge, however, indicates the wire’s thickness; a lower gauge number signifies a thicker wire, and therefore a stronger ring. Understanding this inverse relationship is key.
Terms like “dead soft,” “half-hard,” and “full-hard” describe the metal’s temper, influencing its malleability. Softer tempers are easier to open and close but less durable. Knowing these terms, alongside the diameter and gauge, allows for informed decisions when selecting rings for various projects, ensuring both functionality and aesthetic appeal.
Measuring Split Ring Size: Diameter
Accurately determining the diameter of a split ring is fundamental to successful jewelry creation and repair. This measurement, typically in millimeters, represents the inner circle of the ring. To measure, use digital calipers for precision; these provide a more accurate reading than a standard ruler.
Place the split ring between the caliper jaws, ensuring the measurement is taken across the inner diameter, not including the wire’s thickness. Close the jaws gently but firmly, avoiding distortion of the ring’s shape. Record the reading displayed on the caliper.
Consistent diameter measurements are vital for ensuring components fit together seamlessly. Remember that slight variations can occur, so measuring multiple rings from the same batch is recommended. Accurate diameter knowledge is essential for projects like Native American style rings, where precise sizing is paramount.
Measuring Split Ring Size: Gauge (Thickness)
Alongside diameter, the gauge – or thickness – of a split ring is a critical measurement influencing its strength and suitability for different applications. Gauge is typically expressed as a wire gauge number; a lower number indicates a thicker wire. Measuring gauge requires a wire gauge tool, readily available at jewelry supply stores;
Select a slot on the gauge tool that snugly fits the split ring’s wire. If the wire slides through easily, move to a smaller gauge number. If it doesn’t fit, try a larger number. Finding the correct fit confirms the ring’s gauge.
Gauge directly impacts the ring’s durability; thicker gauges are stronger but less flexible. Consider the intended use – delicate charms require finer gauges, while keychains benefit from heavier gauges. Understanding gauge is crucial when replacing rings or ensuring compatibility with hooks.
Standard Split Ring Sizes for Jewelry Making
For jewelry creation, split rings aren’t one-size-fits-all; standard sizes cater to diverse needs. Common diameters range from 4mm to 10mm, with gauges typically between 16 and 20. These sizes provide a balance of strength and ease of use for most projects.
4mm-6mm rings, often with a 20-gauge wire, are ideal for delicate charm attachments and lightweight pendants. Mid-range sizes, 6mm-8mm with 18-gauge wire, suit general jewelry making and moderate weight charms. Larger 8mm-10mm rings, frequently in 16-gauge, offer increased strength for heavier pendants or applications needing extra security.
Selecting the right size ensures a secure connection without overpowering the design. Remember, a slightly larger ring is preferable to one that’s too small and risks distortion during opening and closing.
Split Ring Sizes for Different Jewelry Applications
The ideal split ring size varies significantly depending on the jewelry application. For keychains, larger rings (7mm-10mm diameter, 16-18 gauge) are preferred for durability and ease of adding/removing keys. Charms generally require smaller, more delicate rings (4mm-6mm, 20-22 gauge) to maintain aesthetic balance.

Chain maille demands precise sizing; typically, 5mm-7mm rings (16-18 gauge) are used, depending on the weave pattern and desired flexibility. Native American style rings often utilize split shanks soldered to bezels, requiring careful consideration of bezel size and desired ring strength.
When changing hooks, consider a slightly larger split ring to prevent tangling. Prioritizing a size that complements the weight and style of the jewelry piece is crucial for both functionality and visual appeal.
Split Rings for Keychains
When constructing keychains, durability is paramount, making larger split rings the optimal choice. Typically, rings ranging from 7mm to 10mm in diameter are recommended, providing ample space for keys and resisting deformation under stress. A gauge of 16 to 18 is ideal, balancing strength with ease of opening and closing.
Consider the number of keys the keychain will hold. More keys necessitate a larger diameter to prevent overcrowding and ensure smooth operation. While slightly larger rings are acceptable, excessively large rings can appear bulky and detract from the keychain’s overall aesthetic.
Prioritize rings that can withstand daily wear and tear. Frequent use demands a robust construction to prevent breakage and maintain a secure hold on your keys.
Split Rings for Charms
For attaching charms to bracelets or necklaces, smaller and more delicate split rings are generally preferred. Diameters between 4mm and 6mm are commonly used, offering a subtle and refined appearance. A higher gauge, such as 20 or 22, provides sufficient strength while maintaining a lightweight profile, preventing the charm from weighing down the jewelry.
The size of the charm loop is a critical factor. The split ring’s inner diameter should closely match the loop’s size for a secure and seamless connection. Avoid rings that are too small, as they can be difficult to open and close, or too large, which may allow the charm to dangle awkwardly.

Consider the overall aesthetic of the jewelry piece. Smaller rings complement delicate charms, while larger rings may be more suitable for bolder designs.
Split Rings for Chain Maille
Chain maille, demanding robust connections, necessitates specific split ring considerations. Typically, larger diameters – ranging from 5mm to 8mm – are employed to accommodate the interwoven links. A lower gauge, such as 16 or 18, is crucial for providing the strength needed to withstand the tension and manipulation inherent in chain maille construction.
The ring’s inner diameter must precisely match the wire gauge used for the maille. This ensures a tight, secure weave and prevents the rings from easily pulling apart. Consistency in ring size is paramount for a uniform and aesthetically pleasing final product.
Strength is key; larger gauges resist bending and opening during wear and tear. Selecting the correct size prevents distortion and maintains the integrity of the maille structure.
How to Choose the Right Split Ring Size
Selecting the appropriate split ring size hinges on the application and desired strength. Begin by considering the components you’ll be connecting – larger, heavier items require larger rings and thicker gauges. If you’re unsure, erring on the side of slightly larger is preferable to rings that are too small and difficult to open.
Diameter dictates how easily components can be attached, while gauge determines the ring’s resilience. For delicate charms, smaller diameters and thinner gauges suffice. However, for keychains or items subject to stress, prioritize larger diameters and lower gauges.

Compatibility with hooks is also vital. A size up won’t hurt, preventing tangling, but excessively large rings compromise security. Careful measurement and consideration of the overall design are essential for a successful outcome.
Tools Needed for Working with Split Rings
Successfully manipulating split rings demands the right tools to avoid distortion and ensure clean openings and closures. The most essential tools are two pairs of pliers – ideally, flat-nose pliers or chain-nose pliers with smooth jaws. These provide the necessary grip and control without marring the ring’s surface.
Avoid using pliers with teeth, as they can leave unsightly marks. A wire cutter can be helpful for trimming excess wire if you’re creating custom rings, though this is less common with pre-made split rings. For larger rings or those requiring significant force, a dedicated ring opening/closing tool can be beneficial.
A magnifying glass or visor can aid in precise work, especially with smaller gauges. Finally, a clean, well-lit workspace is crucial for visibility and preventing lost rings!
Opening and Closing Split Rings Correctly
Proper technique is paramount when working with split rings to maintain their integrity and prevent weakening. To open a ring, grip it on either side of the split with two pairs of pliers. Crucially, twist the ends – do not pull them apart. One side should be twisted towards you, while the other is twisted away, creating a sideways opening.
This twisting motion preserves the ring’s circular shape. When closing, reverse the process, gently bringing the ends back together. Again, twist, ensuring a flush closure. Avoid squeezing the ends, as this can distort the ring and create a weak point. A properly closed ring should lie flat and have minimal visible gap.

Practice makes perfect; mastering this technique ensures durable connections in your jewelry or other applications.
Avoiding Split Ring Distortion
Maintaining the circular shape of split rings is vital for their strength and functionality. Distortion occurs most commonly when rings are opened incorrectly – by pulling the ends apart instead of twisting. This weakens the metal and can lead to gaps that don’t close properly.

To prevent distortion, always use two pairs of pliers and focus on the twisting motion. Avoid excessive force, which can easily bend or ovalize the ring. Inspect each ring after opening and closing; any noticeable deformation indicates the ring should be discarded.
Consider the gauge of the ring; thinner gauges are more susceptible to bending. Proper storage also helps – keep rings organized to prevent them from being crushed or misshapen. A little care goes a long way in preserving their integrity.
The Impact of Gauge on Ring Strength
The gauge, or thickness, of a split ring directly correlates to its strength and durability. Lower gauge numbers indicate thicker wire, resulting in a more robust ring capable of withstanding greater stress. Conversely, higher gauge numbers signify thinner wire, making the ring more delicate and prone to bending or breaking.
For applications requiring significant strength, such as keychains or heavy charms, opt for lower gauge rings. Lighter applications, like delicate jewelry components, can utilize higher gauge rings to achieve a more refined aesthetic. Choosing the appropriate gauge is crucial for preventing failure.
Remember that thinner rings are more easily distorted during opening and closing. Always handle them with care and consider using pliers with smooth jaws to minimize damage. Gauge selection is a fundamental aspect of split ring functionality.
Split Ring Sizes and Compatibility with Hooks
Ensuring compatibility between split ring size and hook dimensions is paramount for secure connections. A properly sized ring will hold the hook firmly without excessive play or strain. If the ring is too small, it will be difficult to open and close, potentially leading to distortion or breakage.
Conversely, an overly large ring may allow the hook to slip or become tangled. A slight increase in size generally won’t cause issues, but significant discrepancies can compromise the integrity of the connection. Consider the hook’s gauge and shape when selecting a ring.
When changing hooks, it’s often advisable to also replace the split rings, opting for a size that complements the new hook. Prioritize a snug fit that prevents unwanted movement while still allowing for easy manipulation.
When to Use Larger Split Rings
Opting for larger split rings becomes essential when dealing with multiple attachments or heavier components. If you’re connecting several charms or elements to a single ring, a larger diameter provides ample space without overcrowding and maintains a balanced aesthetic.

Larger rings also offer increased durability for applications subject to frequent handling or stress, such as keychains. They reduce the risk of bending or breaking under pressure. For Native American style rings with split shanks, careful consideration of size is crucial for a secure solder joint and overall ring strength.
If you anticipate needing to add or remove items frequently, a slightly larger ring simplifies the process. Remember, a size up generally won’t hurt, offering a bit of extra leeway without compromising security.
Split Ring Sizes for Native American Style Rings
Crafting Native American style rings, particularly those featuring turquoise, demands careful split ring selection. These rings often utilize split shanks soldered to the bezel’s bottom edges, requiring rings that accommodate the shank’s width and ensure a robust connection.
For a pinky ring with a 13mm turquoise stone, consider split rings with a diameter slightly larger than the shank’s thickness to facilitate easy soldering. Gauge is also critical; a thicker gauge provides greater strength to withstand the stresses of wear and potential impacts.
The ring’s overall design influences the ideal size. More elaborate designs with intricate details may necessitate larger rings for aesthetic balance and structural integrity. Prioritize a secure fit to prevent the turquoise from loosening over time, ensuring the ring’s longevity and beauty.
Troubleshooting Common Split Ring Issues
Encountering difficulties with split rings is common, but often easily resolved. A frequent issue is rings not closing properly – ensure the opening is aligned and use pliers to gently coax the ends together, avoiding excessive force that can distort the shape.
Conversely, rings closing too easily may indicate a compromised temper or excessive manipulation. Inspect for bends or weaknesses; if present, replace the ring. Distortion is a key concern, as it weakens the ring and affects its functionality.
If hooks or line tangle, slightly larger split rings can provide more space. Remember, a size up generally won’t cause harm. Regular inspection is vital to identify and address issues before they escalate, maintaining the integrity of your jewelry or application.
Rings Not Closing Properly
Difficulty closing split rings is a frequent frustration, often stemming from misalignment. Carefully examine the opening – are the ends perfectly aligned? If not, gently adjust them using two pairs of pliers, one on each side of the split.
Avoid forcing the closure, as this can easily distort the ring’s shape and weaken its integrity. Instead, apply gentle, even pressure, coaxing the ends back together. Ensure the pliers are gripping firmly but not damaging the metal.
Sometimes, a slight bend in the ring can prevent proper closure. Gently straighten any bends before attempting to close it again. If the ring consistently fails to close, it may be damaged and should be discarded to prevent potential failures in your project.
Rings Closing Too Easily
If split rings close with minimal effort, it suggests the gap is too wide or the metal is overly pliable. This can compromise the ring’s security and lead to accidental openings, especially with movement or stress on the jewelry piece.
Consider using a slightly thicker gauge ring for increased rigidity. A higher gauge will offer more resistance and maintain a tighter closure. Alternatively, gently squeeze the ring very slightly with pliers to reduce the gap, but be cautious not to over-compress it.

Over-manipulation can weaken the metal, so avoid repeatedly opening and closing the same ring. If the issue persists, it’s best to replace the ring with a new one to ensure a secure and reliable connection in your jewelry or application.
Resources for Split Ring Size Charts
Finding accurate split ring size charts is essential for successful jewelry making and repairs. Numerous online resources offer comprehensive guides, detailing both diameter and gauge measurements. These charts often present sizes in millimeters, inches, and wire gauge numbers, facilitating easy conversion and selection.
Many jewelry supply websites, like those specializing in chain maille components, provide downloadable charts tailored to their product offerings. Additionally, crafting communities and forums frequently share user-created charts and sizing tips based on practical experience.
Remember that slight variations can occur between manufacturers, so it’s always wise to verify measurements with a ruler or caliper when possible. Utilizing multiple resources and cross-referencing information will ensure you choose the correct split ring size for your specific project.
Where to Purchase Split Rings
Split rings are readily available from a variety of sources, catering to diverse needs and budgets. Online marketplaces like Etsy and Amazon offer a vast selection, often from independent sellers specializing in jewelry-making supplies. Major craft retailers, such as Michaels and Hobby Lobby, stock a range of sizes and materials in their physical stores and online.
For specialized needs, particularly in chainmaille, dedicated chainmaille supply stores provide a wider assortment of gauges and finishes. Local bead shops are also excellent resources, offering personalized assistance and the opportunity to inspect the rings firsthand.
When purchasing, consider the quantity needed and the material – brass, steel, stainless steel, and silver are common options. Comparing prices across different vendors is recommended to secure the best deal.
