KYA-890 Automatic Electric Rebar Tying Machine is a battery-powered rebar tier designed for fast, consistent, and labor-saving steel bar tying in reinforced concrete construction. It ties rebar diameters from 8mm to 34mm, completes each knot in approximately 0.8 seconds, and delivers over 3,000 knots per charge with a 12.8V 4.4Ah lithium battery. Compared with manual tying, the KYA-890 helps improve construction efficiency, reduce worker fatigue, and provide more consistent rebar ties on job sites.
KYA Fasteners supplies automatic rebar tying machines, electric rebar tiers, cordless rebar tying tools, rebar tie wire, rebar tying accessories, construction fasteners, and fastening tools for civil construction contractors, bridge projects, tunnel construction, building contractors, concrete reinforcement teams, floor heating mesh installers, tool distributors, and OEM buyers.
8-34mm tying range: Suitable for common steel bar tying, reinforced concrete mesh, floor heating mesh, and civil construction applications.
0.8 seconds per knot: Fast tying speed helps save labor and improve jobsite productivity compared with manual tying.
Over 3,000 knots per charge: 12.8V 4.4Ah lithium battery supports long working time for daily construction tasks.
90-minute fast charging: Helps reduce downtime and supports continuous jobsite use with spare batteries.
Ergonomic rubberized handle: Compact body and comfortable grip help reduce hand, wrist, and back fatigue during repetitive rebar tying.
Modular components: Designed for easier maintenance, cutter inspection, wire feeding, and jobsite service.
0.8mm tie wire: Uses low-carbon steel tie wire with smooth surface, flexibility, anti-corrosion, and anti-oxidation properties.
2 wraps per tie: Provides efficient tying for reinforced concrete work, floor pipe installation, and mesh fastening.
| Property | Specification |
|---|---|
| Model | KYA-890 Automatic Electric Rebar Tying Machine |
| Tool Type | Rebar Tier / Electric Rebar Tying Tool / Automatic Rebar Tying Machine |
| Tying Rebar Diameter | 8-34mm |
| Voltage and Battery Capacity | DC 12.8V / 4.4Ah Lithium Battery |
| Charge Time | Approximately 90 minutes |
| Tying Speed Per Knot | 0.8 seconds |
| Ties Per Charge | Over 3,000 knots |
| Tying Length Per Knot | 300-500mm |
| Length of Wire Coil | 110m |
| Wire Diameter | 0.8mm |
| Wraps Per Tie | 2 wraps |
| Main Applications | Civil construction, steel bar tying, floor pipe installation, heating floor mesh, reinforced concrete, building, bridge, tunnel, and foundation projects. |
| Property | Specification |
|---|---|
| Material | Low-Carbon Steel / Heat-Treated |
| Diameter | 0.8mm / 0.03" |
| Length Per Coil | 110m / 360ft |
| Wire Features | Durable, flexible, anti-corrosion, anti-oxidation, and smooth surface. |
| Compatible Tool | KYA-890 Automatic Electric Rebar Tying Machine |
The KYA-890 automatic rebar tier is designed for repetitive steel bar tying work where speed, consistency, and labor reduction matter. It is suitable for reinforced concrete construction, floor mesh tying, heating pipe mesh fixing, bridges, tunnels, buildings, road projects, foundation work, and precast concrete reinforcement.
| Application | Why KYA-890 Works | Recommended Use |
|---|---|---|
| Civil Construction | Fast 0.8-second tying speed improves daily tying productivity. | Buildings, bridges, tunnels, and concrete reinforcement work. |
| Steel Bar Tying | 8-34mm tying range covers many common rebar combinations. | Rebar intersections, steel mesh, reinforcement cages, and foundation work. |
| Floor Pipe Installation | Automatic tying helps fix pipe and mesh quickly with consistent wire length. | Floor heating pipe mesh, pipe grid, and construction mesh fixing. |
| Heating Floor Mesh Setup | Compact body and battery power support repetitive mesh tying work. | Heating floor mesh, wire mesh panels, and reinforcement netting. |
| Concrete Reinforcement | Consistent 2-wrap tying helps stabilize rebar before concrete placement. | Slabs, beams, columns, walls, foundations, and precast concrete. |
Manual rebar tying is flexible and low-cost, but it requires repeated wrist movement and frequent bending. The KYA-890 automatic electric rebar tying machine is more suitable for contractors and construction teams that need faster tying speed, lower labor intensity, and more consistent tying results across large projects.
| Comparison | KYA-890 Automatic Rebar Tier | Manual Tying |
|---|---|---|
| Tying Speed | Approximately 0.8 seconds per knot. | Depends on worker skill and fatigue level. |
| Labor Intensity | Helps reduce wrist, hand, and back fatigue. | High repetitive strain during long shifts. |
| Consistency | More consistent tying length and wrap pattern. | Varies by operator and work condition. |
| Best Use | Large-scale construction, floor mesh, heating floor mesh, reinforced concrete, and repetitive tying. | Small repairs, low-volume tying, and special tying patterns. |
| Power Source | 12.8V 4.4Ah lithium battery. | Manual hand tool or hand wire tying. |
Before buying a rebar tying machine in bulk, buyers should confirm tying diameter, battery capacity, ties per charge, tying speed, tie wire diameter, wire coil length, wraps per tie, charging time, cutter durability, spare parts support, tool weight, and jobsite application. Correct matching helps reduce weak ties, wire jams, cutter blockage, battery downtime, and unnecessary maintenance.
| Buyer Question | What to Confirm |
|---|---|
| Can it tie my rebar size? | Confirm the combined rebar diameter is within the 8-34mm tying range. |
| How many ties can it complete per charge? | KYA-890 supports over 3,000 knots per charge with a 12.8V 4.4Ah lithium battery. |
| What tie wire should I use? | Use compatible 0.8mm low-carbon steel tie wire, 110m per coil, matched to the KYA-890 wire feeding system. |
| Is it suitable for large job sites? | Yes. The 0.8-second tying speed, 3,000+ ties per charge, and 90-minute charging time make it suitable for repetitive rebar tying work. |
| Can KYA supply spare batteries and wire? | Yes. KYA can supply rebar tying machines, compatible tie wire, spare batteries, chargers, cutters, and related accessories. |
| Issue | Warning Sound | Possible Reason | Inspection | Solution |
|---|---|---|---|---|
| No operation after power-on | No sound | Battery empty or electrode plate oxidized. | Check battery charge or electrode for browning. | Charge battery or polish terminal with dry cloth. |
| No operation after power-on | Continuous short beeps | Curl guide open or wire entangled. | Check curl guide or wire entanglement. | Close curl guide or remove entangled wire. |
| No operation after power-on | Two long beeps | Battery empty. | Confirm battery charge. | Charge battery. |
| No wire sent out | Continuous short beeps | Curl guide open. | Check curl guide. | Fully close curl guide. |
| No wire sent out | Three short beeps | Tie wire run out, caught in reel, or cutter blocked. | Check tie wire, reel, or cutter section. | Replace tie wire, remove reel fray, or clean cutter. |
| Disordered curl | No sound | Wire repelled by rebar. | Check wire contact with rebar. | Avoid wire hitting rebar during binding. |
| No wire cutting | No sound | Cutter blocked by foreign substance. | Confirm cutter function. | Clean cutter with dry cloth or air. |
| Wire entanglement | No sound | Wire repelled by rebar. | Check wire contact with rebar. | Avoid wire hitting rebar during binding. |
| Weak binding power | No sound | Incorrect rebar size or improper machine application. | Confirm rebar size and machine application. | Use appropriate rebar diameter, adjust torque, and insert vertically at 45°. |
| Twisting-off | No sound | Incorrect rebar size or improper machine application. | Confirm rebar size and machine application. | Use appropriate rebar diameter, adjust torque to a lower level, and insert vertically at 45°. |
| Works properly | Two long beeps | Low battery. | Confirm battery charge. | Charge battery. |
| Works properly | Four short beeps | High operating temperature. | Check job site temperature. | Cool tool and battery to normal temperature before use. |
| Maintenance Point | Purpose | Recommended Action |
|---|---|---|
| Battery and Terminal | Ensures stable power supply and prevents no-operation issues. | Charge battery fully and clean oxidized terminals with a dry cloth. |
| Curl Guide | Prevents wire feeding errors and warning beeps. | Confirm the curl guide is fully closed before tying. |
| Tie Wire Reel | Reduces wire entanglement and feeding failure. | Use compatible 0.8mm tie wire and replace empty or damaged wire coils. |
| Cutter Section | Keeps wire cutting stable and prevents cutter blockage. | Clean cutter with dry cloth or compressed air and inspect blade wear regularly. |
| Operating Temperature | Protects battery and motor from overheating. | Allow tool and battery to cool before use when high temperature warning occurs. |
KYA Fasteners supplies rebar tying machines, automatic rebar tiers, rebar tie wire, construction fasteners, pneumatic tools, collated nails, staples, hog rings, and industrial fastening solutions for global B2B buyers. We support tool matching, tie wire supply, spare parts support, battery and charger options, private label packaging, and export shipment for construction contractors, tool distributors, building material suppliers, and OEM customers.
Tool and wire matching: Supply KYA-890 rebar tying machines and compatible 0.8mm rebar tie wire.
Construction application support: Suitable for civil construction, rebar mesh, concrete reinforcement, floor pipe, and heating floor mesh.
Battery-powered efficiency: 12.8V 4.4Ah battery supports over 3,000 knots per charge with 90-minute charging.
Wholesale and OEM support: Tool packing, carton label, private label, wire coil packing, and export packaging are available.
Spare parts support: Batteries, chargers, cutters, wire coils, and related accessories can be supplied for long-term use.
It is used for steel bar tying in civil construction, reinforced concrete, buildings, bridges, tunnels, floor pipe installation, heating floor mesh setup, foundation work, and concrete reinforcement.
The KYA-890 can tie rebar diameters from 8mm to 34mm. Buyers should confirm the actual combined rebar diameter before bulk ordering.
The tying speed is approximately 0.8 seconds per knot, helping improve productivity compared with manual rebar tying.
The 12.8V 4.4Ah lithium battery supports over 3,000 knots per charge under suitable working conditions.
The battery charging time is approximately 90 minutes. For continuous work, spare batteries are recommended.
The KYA-890 uses 0.8mm low-carbon steel tie wire. Each wire coil is approximately 110m / 360ft long.
An automatic rebar tier improves tying speed, reduces repetitive labor, lowers wrist and back fatigue, and provides more consistent ties across large construction projects.
Use compatible 0.8mm tie wire, keep the curl guide closed, avoid wire hitting rebar during binding, remove wire entanglement, and clean the cutter section with dry cloth or air.
Yes. KYA can supply compatible 0.8mm rebar tie wire, spare batteries, chargers, cutters, accessories, packaging, and OEM support for rebar tying machine buyers.
Yes. Sample orders are available for testing tying performance, wire compatibility, battery runtime, and jobsite suitability before bulk purchasing.
