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KYA C28 hog rings are 15 gauge C-ring fasteners made from approximately 1.8mm galvanized steel wire with a nominal 27.8–28mm crown and 15mm open height. They are designed for mattress production, furniture and automotive upholstery, wire cages, fencing, mesh fastening and other industrial clamping applications.
The standard C28 configuration uses sharp points to assist penetration through fabric, netting and selected mesh materials. Standard packing is approximately 10,000 rings per carton for production users, distributors and industrial fastener buyers.
Tool compatibility depends on ring crown, wire diameter, strip geometry, magazine design and jaw closure geometry. C28 rings belong to the larger 27–28mm C-ring class, so buyers should confirm the exact hog ring tool model before bulk ordering.
| Specification | C28 Details |
| Model | C28 |
| Fastener Type | C-Ring / Hog Ring |
| Gauge | 15 Gauge |
| Wire Diameter | Approx. 1.8mm |
| Crown / Outside Width | Approx. 27.8–28mm |
| Open Height | Approx. 15mm |
| Material | Galvanized Steel Wire |
| Point Type | Sharp Point Standard Reference; Other Point Options Subject to Supply |
| Standard Packing | Approx. 10,000 pcs/carton |
| Tool Class | Compatible 15GA 27–28mm C-Ring Tool, Subject to Jaw and Magazine Verification |
| Typical Applications | Mattress, Upholstery, Automotive Seating, Wire Cages, Fencing, Mesh and Industrial Bundling |
C28 hog rings use approximately 1.8mm wire, corresponding to the common 15 gauge industrial hog ring class. This heavier wire format is used where greater clamping strength is required than fine-wire upholstery staples can provide.
Wire diameter is only one part of tool compatibility. Crown width, open height, strip configuration and final jaw closure must also match the hog ring tool.
The C28 has an approximately 27.8–28mm crown with an open height of approximately 15mm. This places it in a larger C-ring size class than common 19mm or 24mm upholstery hog rings.
The larger open geometry allows the ring to surround thicker combinations of wire, springs, fabric, mesh or frame components before the compatible tool closes the ring.
The galvanized coating provides additional corrosion protection compared with untreated carbon steel and is suitable for many indoor and general industrial applications.
Galvanized steel should not be described as permanently rust-proof. Long-term performance depends on zinc coating thickness, moisture, chemicals, salt exposure and the final service environment.
Sharp points help the ring penetrate fabric, netting and selected soft materials as the tool closes the fastener around the workpiece.
For finished upholstery, leather, vinyl or other surfaces where piercing damage should be minimized, ask about alternative point configurations and verify them with the application before production.
The C28 is listed with standard packing of approximately 10,000 rings per carton, supporting repetitive production in mattress factories, seating plants, cage manufacturing and industrial assembly.
For distributor orders, confirm current strip quantity, inner packing, carton weight, pallet quantity and labeling requirements before shipment.
C28 rings should be used with a hog ring tool designed for approximately 15GA / 1.8mm C-rings in the 27–28mm crown class. KYA product references identify the C7 tool family as a relevant tool class for this larger C-ring size.
Exact compatibility must still be confirmed because jaw profile, magazine width, strip collation and final closure diameter can vary between tool versions.
| Tool Check | C28 Requirement |
|---|---|
| Ring Gauge | 15GA / Approx. 1.8mm |
| Open Crown | Approx. 27.8–28mm |
| Open Height | Approx. 15mm |
| Magazine | Must accept matching C28 strip dimensions |
| Jaw Geometry | Must match C28 ring and required final closure |
| Reference Tool Class | C7-Type 27–28mm C-Ring Tool, Subject to Exact Model Verification |
| Fastener Class | Typical Crown | Typical Use |
|---|---|---|
| C28 | Approx. 27.8–28mm | Larger C-ring assemblies, bedding, mesh, cages and industrial fastening |
| C7 / HR23-Class C Ring | Approx. 23.7–24mm | Automotive seating, mattress, cages and upholstery |
| 15G100-Class C Ring | Approx. 19mm / 3/4" | Upholstery, bedding, cages and general C-ring fastening |
Similar wire gauge does not make these sizes interchangeable. Each crown class requires the correct magazine and jaw geometry.
C28 hog rings can be used in selected mattress and bedding assemblies to clamp springs, wire components, fabric or related materials where the 28mm open ring geometry matches the joint.
The required ring size depends on the diameter and quantity of materials captured by the closed ring. Test the actual spring and border-wire combination before establishing production settings.
15GA C-rings are used in seating and upholstery production to connect fabric, support wire, listing wire and frame components where a heavy C-ring connection is required.
For visible fabric, vinyl or leather, confirm point style, final closure and contact location to reduce unnecessary surface damage.
C28 galvanized hog rings can be used for selected wire cages, fencing and mesh fastening where the ring opening, final closure and corrosion protection meet the installation requirements.
For permanent outdoor, coastal or chemically aggressive installations, confirm the required coating or consider stainless-steel or zinc-aluminum alternatives where appropriate.
C28 rings may be used in selected mesh and gabion-related assembly when the ring dimensions, wire strength, coating and closing tool satisfy the project specification.
Engineered gabion and erosion-control systems can have specific requirements for fastener wire diameter, coating mass, tensile properties and spacing. Verify project requirements rather than assuming that every galvanized C28 ring is suitable for every gabion installation.
Mattress and bedding assembly
Furniture upholstery
Automotive seating
Wire cages
Animal enclosures and traps
Wire fencing
Wire mesh fastening
Netting and industrial bundling
Selected gabion-related mesh assembly subject to project requirements
| Buyer Check | C28 Reference |
|---|---|
| Model | C28 |
| Gauge | 15GA |
| Wire Diameter | Approx. 1.8mm |
| Crown | Approx. 27.8–28mm |
| Open Height | Approx. 15mm |
| Point | Sharp Point Standard Reference |
| Finish | Galvanized Steel |
| Tool | Confirm 15GA 27–28mm C-Ring Tool Compatibility |
| Packing | Approx. 10,000 pcs/carton |
KYA supplies hog rings for mattress factories, furniture manufacturers, automotive seating suppliers, fencing companies, cage manufacturers, industrial users and fastener distributors.
For bulk orders, provide the required hog ring model, gauge, crown, wire diameter, point type, material, tool model, application and order quantity. This information helps confirm fastener and tool compatibility before production use.
KYA supplies C-style and D-style hog rings in multiple gauges, crown sizes, materials, finishes and point configurations for upholstery, bedding, fencing, cages, mesh and industrial fastening.
The KYA C28 is a 15GA C-ring made from approximately 1.8mm wire with an outside crown of approximately 27.8–28mm and an open height of approximately 15mm.
Yes. C28 uses approximately 1.8mm wire, which belongs to the common 15 gauge industrial hog ring class.
The nominal outside crown is approximately 27.8–28mm.
The listed open height is approximately 15mm.
Use a compatible 15GA C-ring tool designed for approximately 27–28mm crown hog rings. C7-type tools are a relevant reference class, but the exact magazine, jaw and closure geometry should be confirmed before ordering.
HR22 is a different D-ring tool class and should not be treated as a direct C28 tool reference. Match the tool to the C28 C-ring geometry instead.
No. Both can use 15GA / 1.8mm wire, but C28 is approximately 28mm wide and 15mm high, while common 15G100 rings are smaller. They require different tool geometry and should not be interchanged only because the wire gauge matches.
No. Galvanizing improves corrosion resistance compared with untreated steel, but service life depends on zinc coating, moisture, salt, chemicals and environmental exposure.
They can be used in compatible outdoor fastening applications when the galvanized coating meets the required exposure conditions. For severe environments, verify coating requirements or consider a more corrosion-resistant material.
Yes, for selected mattress and bedding assemblies where the 28mm open C-ring geometry matches the springs, border wire and other components being joined.
They can be used for selected automotive seating and upholstery assemblies where a 15GA large C-ring is specified. Confirm ring size and final closure with the seat design and tool.
Yes, for compatible fencing, mesh and cage applications where the ring dimensions and galvanized finish meet the installation requirements.
Only when the C28 ring dimensions, wire properties, coating and installation method comply with the project specification. Engineered gabion systems can require specific fastener standards and should be checked before use.
Food-contact suitability should not be assumed from the galvanized finish alone. Request material and compliance documentation if the application involves direct or regulated food contact.
The standard listed quantity is approximately 10,000 rings per carton. Confirm current inner packing and pallet configuration for bulk shipments.
Provide the hog ring model, gauge, crown size, wire diameter, point type, material or coating, exact tool model, application and required quantity so compatibility can be checked before production use.
