M66
KYA
KYA-M66
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Upholstery Supply Stay Wire Clips for Sofa Furniture Springs M66
Upholstery Supply Stay Wire Clips for Sofa Furniture Springs M66 are durable upholstery fasteners designed to attach paper-wrapped stay wire to sofa chair springs, furniture seat springs, mattress springs, car seats, sofa bases and sofa backs. These M66 stay wire clips help create a uniform spring platform, improve seat stability and extend furniture durability over time.
KYA M66 stay wire clips are available as strip clips and roll clips, with galvanized, HDG and EG surface options for corrosion resistance. The series includes CL-3, CL-4, CLP-34, CL-71, CL-72 and CLP-312, making it suitable for furniture manufacturing, upholstery repair, pocket spring mattresses, spring sofas, automatic seats, pet cages, chicken cages, outdoor nets and industrial fastening applications.

M66 upholstery stay wire clips, also known as furniture spring clips, mattress clips, Hartco clips or wire and spring clips, are used to secure stay wires to springs and wire frames. They are commonly installed with pliers or clip tools by placing the wire on the spring position, placing the clip over the wire and spring, then pinching the clip closed so both ends bend down firmly.
Designed for upholstery springs: Secures stay wire to sofa chair springs, sofa base springs and furniture seat springs.
Furniture and mattress manufacturing: Suitable for pocket spring mattresses, spring sofas, car seats and automatic seats.
Multiple models available: CL-3, CL-4, CLP-34, CL-71, CL-72 and CLP-312 cover different height and crown requirements.
Corrosion-resistant surface options: Galvanized, HDG and EG finishes support furniture, automotive and industrial applications.
Reliable carton packing: Standard packing is 6000pcs/ctn for production and distributor supply.
Easy installation: Can be closed with pliers or compatible clip tools during furniture repair or production assembly.
| Specification | Details |
|---|---|
| Product Name | Upholstery Supply Stay Wire Clips for Sofa Furniture Springs M66 |
| Model | M66 |
| Brand | KYA |
| Code | KYA-M66 |
| Fastener Type | Stay Wire Clips / Furniture Spring Clips / Mattress Clips / Hartco Clips / Wire and Spring Clips |
| Clip Type | Strip clips and roll clips |
| Surface Options | Galvanized, HDG, EG |
| Fitting Places | Car seat, sofa base, sofa back, mattress spring, furniture spring and wire cage |
| Main Applications | Pocket spring mattresses, spring sofas, car seats, pet cages, chicken cages, outdoor nets and industrial fastening |
| Series | Model | Similar Vertex | Crown | Inside Width | Height | Thickness | Packing |
|---|---|---|---|---|---|---|---|
| M66 | CL-3 | 80H23 | 21.8mm | 6.2mm | 12.7mm | 0.80mm | 6000pcs/ctn |
| M66 | CL-4 | 88H23 | 21.8mm | 6.2mm | 14.5mm | 0.80mm | 6000pcs/ctn |
| M66 | CLP-34 | 101H23 | 21.8mm | 6.2mm | 16.8mm | 0.80mm | 6000pcs/ctn |
| M66 | CL-71 | - | 18.5mm | 6.2mm | 13.5mm | 0.80mm | 6000pcs/ctn |
| M66 | CL-72 | 91F23 | 18.5mm | 6.2mm | 14.5mm | 0.80mm | 6000pcs/ctn |
| - | CLP-312 | 80F23 | 18.5mm | 5.6mm | 12.7mm | 0.80mm | 6000pcs/ctn |


| Step | Operation | Purpose |
|---|---|---|
| 1 | Place the stay wire on the spring location that needs fastening. | Positions the wire correctly across the sofa or mattress spring frame. |
| 2 | Place the M66 stay wire clip over the wire and spring. | Holds the stay wire and spring together before closing. |
| 3 | Use pliers or compatible clip tools to pinch the clip closed. | Bends the two clip ends down and secures the wire to the spring. |
M66 stay wire clips are used wherever spring wire, stay wire or cage wire needs to be fixed securely. They are suitable for furniture factories, mattress manufacturers, upholstery repair shops, automotive seat producers and cage manufacturing applications.
Pocket spring mattresses
Spring sofas and sofa chair springs
Car seats and automatic seats
Sofa base and sofa back spring fixing
Pet cages and chicken cages
Outdoor nets, cages and industrial fixing applications
Furniture repair and replacement spring clip work


| Surface | Description | Recommended Use |
|---|---|---|
| Galvanized | Standard zinc-coated surface for general corrosion resistance. | Furniture springs, mattress spring clips, sofa production and indoor applications. |
| HDG | Hot-dip galvanized finish for stronger corrosion protection. | Outdoor nets, cages, industrial fixing and higher-humidity environments. |
| EG | Electro-galvanized finish with clean surface appearance. | Car seats, sofa backs, sofa bases and furniture production where clean finish is required. |
| Selection Point | M66 Requirement | Recommendation |
|---|---|---|
| Clip Model | CL-3, CL-4, CLP-34, CL-71, CL-72, CLP-312 | Choose the model according to crown, inside width, height and matching stay wire size. |
| Fitting Place | Car seat, sofa base, sofa back, mattress spring and cage wire | Confirm the spring diameter, stay wire diameter and fastening position before bulk ordering. |
| Surface Treatment | Galvanized, HDG, EG | Use HDG or galvanized options where corrosion resistance is important. |
| Packing | 6000pcs/ctn | Suitable for upholstery factories, mattress factories, automotive seat suppliers and distributors. |
M66 upholstery stay wire clips are metal fasteners used to secure stay wires to furniture springs, car seat springs, mattress springs and cage wire. They help improve structural stability, spring alignment and furniture durability.
They are used for pocket spring mattresses, spring sofas, sofa bases, sofa backs, car seats, automatic seats, pet cages, chicken cages, outdoor nets and industrial wire fixing applications.
Available models include CL-3, CL-4, CLP-34, CL-71, CL-72 and CLP-312. These models differ by crown, inside width, height and similar Vertex reference.
Place the stay wire on the spring position, put the clip over the wire and spring, then use pliers or a clip tool to pinch the clip closed so the two clip ends bend down securely.
M66 stay wire clips can be supplied with galvanized, HDG and EG surface finishes. These finishes provide different levels of corrosion resistance and surface appearance for furniture, automotive and industrial uses.
Standard packing for the listed M66 stay wire clip models is 6000pcs/ctn.
Yes. KYA can discuss sample orders, model selection, surface finish, carton packing, custom packaging and bulk pricing according to your furniture, mattress, automotive seat or cage production requirements.
Yes. Neutral packaging and customized packaging, including logo printing, can be discussed according to order quantity and market requirements.
KYA Fasteners supplies upholstery fasteners, stay wire clips, mattress clips, furniture spring clips, hog rings, staples, nails, wire products and industrial fastening solutions for global customers. For furniture, automotive seating, mattress and cage applications, KYA provides M66 stay wire clips, model selection support and bulk supply options.
Contact KYA to get factory-direct pricing for Upholstery Supply Stay Wire Clips for Sofa Furniture Springs M66, including model selection, surface treatment, samples, custom packaging, carton packing and shipping schedule.
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