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KYA 0.8mm Automatic Rebar Tie Wire is a 21 gauge galvanized low-carbon steel wire supplied on a 100m reel for compatible automatic rebar tying machines. Each reel weighs approximately 0.4kg and is intended for repetitive reinforcement tying in precast concrete, foundations, bridges, retaining walls, floors and other reinforced-concrete construction.
The listed wire material is Q195 galvanized steel with a nominal diameter of 0.8mm. KYA lists approximately 120–190 ties per reel depending on the tying machine, reinforcement combination, number of wraps and wire consumption per tie.
This reel is offered for legacy 21 gauge automatic rebar-tier applications including MAX RB392, RB395, RB397 and RB213-type systems where reel dimensions and feed requirements match. Tool compatibility should be confirmed before ordering because automatic rebar tiers use model-specific reel geometry and feeding systems.
| Specification | Details |
| Product | Automatic Rebar Tie Wire |
| Wire Diameter | 0.8mm |
| Wire Gauge | 21 Gauge |
| Wire Length | 100m per reel |
| Net Weight | Approx. 0.4kg per reel |
| Material | Q195 Low-Carbon Steel |
| Surface | Galvanized |
| Section | Round Wire |
| Listed Tensile Strength | 420MPa |
| Listed Elongation | 21% |
| Estimated Ties per Reel | Approx. 120–190, depending on tool and tying configuration |
| Listed Packing | 20 reels/box |
| Legacy Tool References | MAX RB392, RB395, RB397, RB213-type 21GA systems, subject to reel compatibility verification |
| Typical Applications | Precast Concrete, Foundations, Rebar Cages, Bridges, Retaining Walls, Floors and Reinforced Concrete Construction |
For projects requiring certified mechanical properties, material composition or coating thickness, request the applicable production specification or test documentation for the current batch before ordering.
The wire has a nominal diameter of 0.8mm, corresponding to the 21 gauge wire class used by many conventional automatic rebar tying systems.
Wire diameter is only one compatibility parameter. Reel outside diameter, spool width, hub geometry, winding direction and wire-feed path must also match the tying machine.
Each KYA reel is listed with 100m of 0.8mm wire and an approximate net weight of 0.4kg. The pre-wound reel is intended to load directly into a compatible automatic rebar tying machine.
When replacing an existing reel, compare both the wire specification and spool dimensions. Two reels can use the same 0.8mm wire while having different hub, width or feeding geometry.
KYA specifies Q195 low-carbon steel for this automatic tying wire. Low-carbon steel provides the ductility required for repeated bending and twisting during automatic rebar tying.
The galvanized surface provides additional corrosion protection compared with untreated steel and creates a finished wire surface suitable for machine feeding.
Galvanized wire should not be described as permanently rust-proof. Corrosion performance depends on zinc coating thickness, concrete environment, storage, moisture and service exposure.
This product page lists a nominal tensile strength of 420MPa and elongation of 21%. These values describe the listed wire specification rather than guaranteeing the performance of every finished tie.
Automatic tying performance also depends on wire straightness, surface condition, spool winding, reel geometry, cutter condition, feeding mechanism and the tool's tension setting.
| Property | Listed Value | Buyer Consideration |
|---|---|---|
| Diameter | 0.8mm | Must match the tying machine feed and twisting system. |
| Tensile Strength | 420MPa | Confirm current production documentation when a specified mechanical property is required. |
| Elongation | 21% | Ductility affects bending and twisting during the tying cycle. |
| Surface | Galvanized | Inspect coating and surface quality according to the application requirements. |
KYA lists approximately 120–190 ties per reel. Actual reel yield varies because automatic rebar tying machines use different wire lengths, wrap counts and tie geometries.
| Factor | Effect on Ties per Reel |
|---|---|
| Tool Model | Different tools use different wire lengths for each tying cycle. |
| Wrap Count | More wraps consume more wire and reduce reel yield. |
| Rebar Combination | Larger intersections require a longer wire path around the bars. |
| Tension Setting | Tool setup can influence finished tie geometry and wire consumption. |
KYA references legacy MAX RB392, RB395, RB397 and RB213 applications for this 0.8mm reel. These are conventional 21 gauge rebar tying tool platforms.
Official MAX documentation specifies dedicated MAX tie-wire reels for its machines. For example, the RB397 specifies TW897A 21 gauge / 0.8mm tie wire, while older RB395 documentation specifies TW897 21 gauge / 0.8mm wire.
Because the KYA reel is listed at 100m while the original RB397 TW897A specification is approximately 95m, buyers should verify the actual spool dimensions and feed compatibility before treating it as a replacement consumable.
| Tool Reference | Compatibility Guidance |
|---|---|
| MAX RB392 | Legacy MAX 21GA rebar tier referenced by KYA. Confirm reel body, hub and feed dimensions. |
| MAX RB395 | Legacy 21GA system. Original MAX documentation references dedicated TW897 wire reels. |
| MAX RB397 | Uses 21GA / 0.8mm wire but MAX specifies the dedicated TW897A reel. Confirm spool geometry before substitution. |
| MAX RB213 | Legacy MAX platform referenced by KYA. Confirm original reel specification and feed-system compatibility. |
| Other 0.8mm Automatic Rebar Tiers | Do not assume compatibility from wire diameter alone; verify reel dimensions and machine requirements. |
Automatic rebar tying machines are widely used in precast concrete production where repeated reinforcement intersections must be secured before concrete placement.
Consistent wire diameter, spool winding and reel dimensions are important in high-volume production because irregular feeding can interrupt repetitive tying operations.
0.8mm machine tie wire can be used with compatible rebar tiers during foundation, footing, column and reinforcement-cage preparation.
The tie wire holds reinforcing bars in position during handling and concrete placement. The structural capacity of reinforced concrete is determined by the designed reinforcement system rather than the tie wire itself.
Automatic tying wire can support repetitive reinforcement work in bridge decks, pile caps, road structures and other reinforced-concrete projects where compatible tying machines are used.
Infrastructure projects may specify particular coating, material traceability or corrosion requirements. Confirm the required documentation before supplying wire for controlled construction projects.
Compatible automatic rebar tiers can be used for reinforcement grids in retaining walls, concrete floors, walls and swimming-pool structures.
Wire material and coating should follow the project specification. Galvanized tie wire provides corrosion protection, but it should not replace a specified stainless, coated or other approved tie-wire material where the project requires one.
Precast concrete beams and panels
Building foundations and footings
Rebar cages
Bridge reinforcement
Road construction
Pile caps
Retaining walls
Concrete floors and walls
Swimming-pool reinforcement
Reinforcement mesh tying
| Buyer Check | KYA Reel Reference |
|---|---|
| Wire Gauge | 21 Gauge |
| Wire Diameter | 0.8mm |
| Length | 100m/reel |
| Weight | Approx. 0.4kg/reel |
| Material | Q195 low-carbon steel |
| Surface | Galvanized |
| Reel Geometry | Compare outside diameter, spool width, hub and reel-holder interface. |
| Feed Direction | Confirm winding and wire-feed direction with the machine. |
| Tool Model | Provide exact manufacturer and model before ordering replacement reels. |
| Construction Specification | Confirm galvanized, annealed, coated or stainless tie-wire requirements. |
This product page lists 20 reels per box, with approximately 100m of wire and 0.4kg net wire weight per reel.
Packing configurations can vary between different KYA tie-wire models, so distributors should confirm reel quantity, carton dimensions and gross weight for the exact SKU before shipment.
KYA supplies automatic rebar tie wire for concrete contractors, precast plants, reinforcement fabricators, construction distributors and automatic rebar-tier users.
For bulk purchasing, provide the exact tying-machine model, original reel or part number, required wire diameter, surface treatment, reel dimensions, quantity and any project-specific material requirements.
KYA supplies rebar tie wire reels in multiple gauges, materials and surface treatments for automatic tying machines and reinforced-concrete construction applications.
Available product families include galvanized, black annealed, coated and stainless-steel tie wire. Select the wire and reel according to the exact tying machine and construction specification.
A nominal 0.8mm automatic tie wire corresponds to the common 21 gauge rebar tie-wire class.
This KYA product is listed at 100m per reel with an approximate net weight of 0.4kg.
KYA lists approximately 120–190 ties per reel. Actual yield depends on the tying-machine model, wrap count, rebar combination and wire length used for each tie.
The listed material is Q195 galvanized low-carbon steel.
No. Galvanizing improves corrosion resistance compared with untreated steel, but corrosion performance still depends on coating thickness, storage and service environment.
This product page lists a nominal tensile strength of 420MPa. For projects requiring certified mechanical properties, request current production documentation for the supplied batch.
No absolute guarantee should be assumed. Breakage and feeding performance depend on wire properties, reel winding, spool dimensions, cutter condition, tool maintenance and machine setup.
KYA references the RB397 for this 21 gauge wire class. The RB397 officially uses 0.8mm MAX TW897A tie wire, but MAX specifies its dedicated reel. Confirm the KYA reel dimensions and feed compatibility before substitution.
The original MAX RB397 TW897A specification is approximately 95m / 312ft per coil. This KYA aftermarket reel is listed at 100m, so spool compatibility should be verified independently of wire length.
RB395 is a legacy MAX 21 gauge platform referenced by KYA. MAX documentation identifies dedicated TW897 wire for that model, so confirm reel geometry and feed-system compatibility before using a replacement reel.
No. MAX uses different proprietary wire systems across different tool generations. Conventional 21 gauge Re-Bar-Tier tools and newer twin-wire systems do not use the same consumable reels.
No. Wire diameter alone does not determine compatibility. Reel diameter, width, hub geometry, winding and feed path must also match the machine.
Do not select replacement wire by part-name similarity alone. TW1525 and other tying-wire systems can use different wire diameters and reel designs. Confirm the exact machine and consumable specification before ordering.
Yes. Precast reinforcement is a common application for automatic rebar tying machines using compatible machine-ready wire reels.
Yes. Foundations, footings and reinforcement cages are typical automatic rebar tying applications when the machine and reel are compatible.
Yes. Road and bridge reinforcement are listed applications. Confirm any project-specific material, coating or traceability requirements before ordering.
This product page lists 20 reels per box. Confirm the packing configuration with the exact SKU and order before shipment.
KYA supplies galvanized, black annealed, coated and stainless-steel tie-wire product families. Availability depends on wire gauge, reel type and order requirements.
Provide the tying-machine manufacturer and exact model, original reel or consumable part number, wire diameter, reel dimensions, required surface treatment, project application and purchasing quantity.
