SM66T
KYA
KYA-SM66T
440mm x 190mm x 100mm
2.25KG
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Pneumatic Clinching Tool SM66T Hartco Clipper Professional for Mattress is a professional pneumatic clip gun designed for mattress manufacturing, sofa production, wire cage assembly and car seat fastening. It is used to clinch M66 clips for fastening arched springs, securing buckles on wooden frames and assembling mattress components with fast, safe and consistent performance.
KYA SM66T features a 440mm x 190mm x 100mm compact tool size, 2.25KG net weight, 85–115psi air pressure, 1/4 inch NPT air inlet, 37 pcs clip capacity, ergonomic handling, easy-to-load anti-backup magazine and durable blade and anvil design. It is suitable for high-volume mattress production lines and furniture spring fastening operations.

SM66T pneumatic clinching tool is built for production environments that require repeatable clip fastening, reduced manual effort and stable clinching quality. Compared with traditional hand fastening methods, the pneumatic system improves productivity and helps operators complete spring and frame assembly more quickly.
Designed for mattress production: Used for fastening arched springs, clips and buckles in mattress assembly.
Compatible with M66 clips: Works with related M66 mattress clips for sofa, mattress, cage and car seat applications.
Lightweight 2.25KG body: Balanced and ergonomic design helps reduce operator fatigue during repeated clinching work.
Easy clip feeding: Anti-backup magazine helps clips feed smoothly and reduces interruption during production.
Air circuit return: Supports efficient and stable pneumatic operation during continuous fastening.
Durable construction: Durable blade, anvil and low-maintenance design support long service life.
| Specification | Details |
|---|---|
| Product Name | Pneumatic Clinching Tool SM66T Hartco Clipper Professional for Mattress |
| Model | SM66T |
| Brand | KYA |
| Code | KYA-SM66T |
| Air Tool Type | Pneumatic Clip Gun / Pneumatic Clinching Tool / Hartco Clipper |
| Tool Dimensions | 440mm x 190mm x 100mm / L x W x H |
| Net Tool Weight | 2.25KG |
| Air Pressure | 85–115psi |
| Air Inlet | 1/4 inch NPT |
| Related Fasteners | M66 Clips |
| Magazine Capacity | 37 pcs |
| Main Applications | Mattress, sofa, wire cage, car seat, arched springs and wooden frame assembly |


Powerful pneumatic operation: Supports fast and consistent clinching in mattress and sofa production.
Eronomic handling: Balanced and lightweight design helps improve operator comfort during repeated use.
Easy-to-load magazine: Anti-backup magazine supports smooth clip feeding and convenient reloading.
High-volume production support: 37 pcs capacity helps reduce frequent loading during assembly work.
Durable blade and anvil: Designed for long service life and reliable clinching quality.
Swivel air plug: Helps reduce hose tangling and improves operator movement around the workstation.

| Setup Point | SM66T Requirement | Recommendation |
|---|---|---|
| Clip Type | M66 Clips | Use compatible M66 clips for stable feeding and correct clinching shape. |
| Air Pressure | 85–115psi | Use clean, dry and stable compressed air within the recommended pressure range. |
| Air Connection | 1/4 inch NPT | Confirm hose fitting and air plug compatibility before use. |
| Magazine Loading | Anti-backup magazine, 37 pcs capacity | Load clips correctly to avoid feeding interruption and inconsistent clinching. |
SM66T Hartco Clipper is used in mattress, sofa and furniture production where clinch clips are required to join springs, frame components and supporting wire structures. It is also suitable for selected wire cage and car seat fastening work where compatible clips are used.
Nailing and fastening arched springs in mattress production
Securing buckles on wooden mattress frames
Assembling mattress components with M66 clinch clips
Sofa spring and furniture frame fastening
Wire cage fastening and car seat assembly applications
High-volume production lines requiring faster and safer fastening

| Item | Recommendation | Purpose |
|---|---|---|
| Air Supply | Keep air pressure within 85–115psi and use clean, dry compressed air. | Maintains stable clinching force and reduces tool wear. |
| Clip Loading | Load M66 clips in the correct direction and avoid damaged clips. | Improves feeding reliability and prevents jams. |
| Blade and Anvil | Inspect wear parts regularly and replace them when clinching quality drops. | Keeps clip closure consistent in high-volume production. |
| Magazine | Keep the magazine clean and free from dust, oil buildup and clip fragments. | Supports smooth clip feeding and reduces downtime. |
The SM66T Hartco Clipper is a pneumatic clinching tool for mattress manufacturing. It fastens arched springs, buckles and mattress components with M66 clips, improving speed and consistency compared with manual fastening.
The SM66T is designed for M66 clips. Use compatible clip size and correct loading direction to ensure stable feeding and proper clinching.
It is used for nailing arched springs, securing buckles on wooden mattress frames, assembling mattress components, sofa spring fastening, wire cage fastening and car seat assembly.
The recommended working air pressure is 85–115psi. Use clean and dry compressed air for consistent clinching and longer tool life.
The listed magazine capacity is 37 pcs. This supports repeated fastening work in mattress and sofa production.
Yes. The SM66T is designed for high-volume mattress production, with pneumatic operation, ergonomic handling, anti-backup magazine, efficient air circuit return and durable clinching components.
Yes. KYA can discuss product demonstration, sample requirements, matching M66 clips, spare parts, bulk order quantity and shipping schedule according to your mattress or furniture production needs.
Yes. KYA can supply compatible M66 clips, technical specifications, spare parts, tool support, bulk pricing and shipping guidance for SM66T pneumatic clinching tools.
KYA Fasteners supplies pneumatic clinching tools, Hartco clippers, mattress clips, M66 clips, hog ring guns, upholstery fasteners, staples, nails, wire products and industrial fastening solutions for global customers. For mattress, sofa and furniture production, KYA provides SM66T pneumatic clip guns, matching clips and technical support.
Contact KYA to get factory-direct pricing for Pneumatic Clinching Tool SM66T Hartco Clipper Professional for Mattress, including tool specifications, compatible M66 clips, sample support, spare parts, bulk order quantity and shipping schedule.
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