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KYA JK590 wide crown staples are heavy packaging fasteners with an actual crown width of 24.2mm, commonly referred to in the packaging industry as a 1-inch or 15/16-inch crown class. The series uses 1.90 × 0.90mm wire and is available in 16mm, 19mm, 22mm, 25mm and 32mm leg lengths.
JK590 staples are designed for professional corrugated packaging and carton assembly with compatible wide-crown pneumatic staplers and plier staplers. Typical fastening includes corrugated-to-corrugated assembly and corrugated material fastened to suitable wood packaging structures.
KYA identifies the series as 17 gauge with galvanized wire, chisel points and glue-collated strips containing 50 staples. The exact staple length should be selected according to the packaging material thickness, tool configuration and required clinch or penetration.
| Product Type | Wide Crown Carton / Packaging Staple |
| Series | JK590 |
| KYA Code | KYA-JK590 |
| Gauge | 17 Gauge |
| Actual Crown Width | 24.2mm / approximately 0.953" |
| Common Industry Description | 1" / 15/16" Wide Crown Class |
| Wire Width | 1.90mm / approximately .074" |
| Wire Thickness | 0.90mm / approximately .035" |
| Wire Profile | 1.90 × 0.90mm |
| Available Leg Lengths | 16 / 19 / 22 / 25 / 32mm |
| Material | Steel Wire |
| KYA Listed Finish | Galvanized |
| Point Type | Chisel Point |
| Collation | Glue-Collated Strip |
| Staples per Stick | 50 pcs |
| Reference Tools | Josef Kihlberg JK35-590 / JK35T-590; Salco SP-2432 / SPH-2432 |
| Primary Applications | Corrugated packaging assembly, corrugated-to-corrugated fastening and corrugated-to-wood fastening |
The JK590 uses a relatively wide 24.2mm crown combined with a 1.90 × 0.90mm wire section. This geometry is intended for industrial packaging tools that compress and fasten corrugated material over a broad area.
The JK590 crown measures 24.2mm, approximately 0.953 inch. It is commonly described commercially as a 1-inch or 15/16-inch wide crown staple. Use the actual 24.2mm dimension when matching replacement fasteners to a stapler.
KYA specifies a 1.90mm wire width and 0.90mm thickness. These dimensions are useful for cross-checking replacement JK590 staples because gauge terminology can vary between suppliers.
Five leg lengths are available within the KYA JK590 series: 16mm, 19mm, 22mm, 25mm and 32mm. Select the leg length according to the thickness of the corrugated board, wood component or packaging assembly and the setup of the stapling tool.
KYA lists a chisel point for the JK590 series. Point geometry should be kept consistent when replacing an existing staple because the tool, material and clinching method are designed around the complete fastener profile.
The staples are assembled into strips for magazine feeding. KYA lists 50 staples per stick across the JK590 size range.
KYA lists galvanized steel wire for the JK590 series. The required fastener finish should be confirmed against the packaging environment and purchasing specification when ordering.
The following sizes correspond to the current KYA JK590 series and the current Josef Kihlberg JK590 staple assortment.
| KYA Size | Leg Length | Crown | Wire | Pcs / Stick | Pcs / Carton |
|---|---|---|---|---|---|
| JK590-16 | 16mm / 5/8" | 24.2mm | 1.90 × 0.90mm | 50 | 28,000 |
| JK590-19 | 19mm / 3/4" | 24.2mm | 1.90 × 0.90mm | 50 | 22,400 |
| JK590-22 | 22mm / 7/8" | 24.2mm | 1.90 × 0.90mm | 50 | 22,400 |
| JK590-25 | 25mm / 1" | 24.2mm | 1.90 × 0.90mm | 50 | 22,400 |
| JK590-32 | 32mm / 1-1/4" | 24.2mm | 1.90 × 0.90mm | 50 | 16,800 |
JK590 staples are primarily used in industrial packaging where a wide crown staple is required to join thick corrugated material or fasten corrugated board to suitable wood packaging structures.
Heavy corrugated carton assembly
Corrugated trays and lids
Double-wall and multi-wall corrugated packaging
Corrugated-to-corrugated fastening
Corrugated board to wood packaging structures
Large board packages
Corrugated furniture wrapping
Edge-protection fastening
Industrial transport packaging
Replacement staples for existing JK590 packaging systems
Packaging material thickness and construction vary considerably. Confirm the appropriate staple leg length and stapler adjustment before production use.
Josef Kihlberg identifies both the JK35-590 stapler and JK35T-590 pneumatic plier stapler as tools for the JK590 staple series. The two tool designs are used for different packaging configurations.
| Tool | Tool Type | Typical JK590 Application |
|---|---|---|
| Josef Kihlberg JK35-590 | Pneumatic Wide Crown Stapler | Corrugated packaging and corrugated-to-wood fastening where the JK590 system is specified |
| Josef Kihlberg JK35T-590 | Pneumatic Plier Stapler with Anvil | Corrugated trays, lids, box tops, corners and other packaging assemblies that can be positioned between the tool and anvil |
The JK35T-590 plier system is particularly associated with heavy corrugated packaging and allows the material to be compressed and clinched between the driver and anvil. Tool setup should be adjusted according to the packaging thickness.
JK590 is a defined packaging staple series. The crown, wire dimensions, leg length, strip format and magazine geometry should all match the stapler before use.
| Reference Tool | JK590 Reference | Compatibility Note |
|---|---|---|
| Josef Kihlberg JK35-590 | Official JK590 series | Josef Kihlberg lists JK590 staples for this tool |
| Josef Kihlberg JK35T-590 | Official JK590 series | Josef Kihlberg lists JK590 staples for this plier stapler |
| Salco SP-2432 | JK590-type 24.2mm wide crown staple | Listed by packaging fastener suppliers as a JK590-compatible system |
| Salco SPH-2432 | JK590-type 24.2mm wide crown staple | Confirm exact tool configuration and required leg length |
| Other Packaging Staplers | Must match JK590 dimensions and strip geometry | Provide the exact manufacturer and model before ordering |
Do not match replacement staples only by the description "1-inch crown." Use the actual 24.2mm crown, 1.90 × 0.90mm wire profile, leg length and JK590 series identification when checking another tool.
Staple leg length should be selected according to the combined thickness of the packaging material, whether the staple is driven into wood or clinched through corrugated board, and the operating range of the stapling tool.
| Selection Factor | What to Check |
|---|---|
| Corrugated Thickness | Choose a leg long enough for the complete board construction and intended clinch. |
| Corrugated-to-Wood Assembly | Allow sufficient penetration into the wood component after passing through the corrugated material. |
| Plier Stapling | Select the staple and anvil adjustment according to the total compressed material thickness. |
| Tool Model | Confirm that the exact tool accepts the selected JK590 leg length. |
| Existing Fastener | When replacing staples, match the existing JK590 item code whenever possible. |
A longer staple is not automatically the correct choice. Excess leg length can produce an unsuitable clinch or unnecessary penetration, while insufficient length can reduce the effectiveness of the connection.
JK590 systems are used for packaging assemblies where conventional narrow-crown staples may not provide the required fastening geometry. The wide crown distributes the staple across a larger area of corrugated material.
The JK35T-590 plier system is used for applications including heavy corrugated trays, lids, box tops and edge-protection assemblies. Published tool information also describes use with heavy double-wall and tri-wall corrugated constructions when the material thickness and stapler adjustment are suitable.
For unusually thick corrugated structures, confirm the total material thickness and required JK590 leg length before production.
JK590 wide crown staples are also used to attach corrugated packaging material to wood structures. This application is common in industrial transport packaging where corrugated board is secured to a wood support or frame.
For corrugated-to-wood fastening, choose the staple length so that sufficient leg remains to penetrate the wood after passing through the corrugated material. Wood density, board thickness and tool drive setting all affect the completed fastening.
JK590 staples use a wider 24.2mm crown and are associated with specialized JK590 pneumatic staplers and plier tools. They should not be confused with common 32mm or 35mm crown carton-closing staples used in top carton closers.
| Feature | JK590 | Typical 32 / 35 Series Carton Staple |
|---|---|---|
| Crown | 24.2mm | Approximately 32mm or 35mm depending on series |
| JK590 Wire | 1.90 × 0.90mm | Depends on carton staple series |
| Leg Range | 16–32mm | Depends on carton closer and staple series |
| Tool Type | JK590 tacker / plier stapler | Top carton closer or other dedicated carton stapler |
| Typical Use | Heavy corrugated assembly and corrugated-to-wood packaging | Closing the top or bottom flaps of corrugated cartons |
Use the staple family specified for the packaging tool. Similar carton-closing applications do not make different crown series interchangeable.
For accurate product matching and quotation, provide the required JK590 leg length, purchasing quantity, stapler manufacturer and model, packaging material, total material thickness and delivery destination.
If replacing an existing Josef Kihlberg or Salco staple, provide the current staple reference such as JK590-19, JK590-22, JK590-25 or JK590-32 together with the tool model.
| KYA Code | KYA-JK590 |
| Actual Crown | 24.2mm |
| Wire Size | 1.90 × 0.90mm |
| Leg Lengths | 16 / 19 / 22 / 25 / 32mm |
| Material / Finish | Galvanized Steel Wire |
| Point | Chisel Point |
| Collation | Glue-Collated Strip |
| Staples per Stick | 50 pcs |
| Reference Tools | JK35-590 / JK35T-590 / SP-2432 / SPH-2432 |
| Inquiry Information | Leg length, quantity, tool model, packaging material, material thickness and delivery destination |
KYA specifies an actual crown width of 24.2mm. JK590 is commonly marketed as a nominal 1-inch or approximately 15/16-inch wide crown staple series.
KYA specifies a wire profile of 1.90mm wide × 0.90mm thick, approximately .074" × .035".
KYA classifies its JK590 series as 17 gauge. When cross-referencing staples from different suppliers, use the actual 1.90 × 0.90mm wire dimensions because gauge descriptions can vary.
The current KYA and Josef Kihlberg JK590 ranges include 16mm, 19mm, 22mm, 25mm and 32mm leg lengths.
KYA lists 50 staples per stick for its JK590 series.
KYA lists 28,000 pcs for 16mm, 22,400 pcs for 19mm, 22mm and 25mm, and 16,800 pcs for 32mm.
Josef Kihlberg currently identifies JK590 staples as suitable for the JK35-590 pneumatic stapler and JK35T-590 pneumatic plier stapler.
JK590-type staples are listed for Salco SP-2432 and SPH-2432 systems by packaging fastener suppliers. Confirm the exact tool model and required staple leg length before ordering.
The JK35T-590 plier system is used for heavy double-wall and tri-wall corrugated packaging applications. Suitability depends on the total compressed material thickness, leg length and tool adjustment.
Yes. Corrugated-to-wood fastening is an established JK590 application. Select a leg length that provides suitable penetration after passing through the corrugated material.
No. JK590 uses a 24.2mm crown and dedicated JK590 tool system. Common top carton closers often use different 32mm or 35mm crown staple series and are not automatically interchangeable.
Yes. KYA currently lists galvanized wire for the JK590 series.
KYA specifies a chisel point for its JK590 series.
Choose the staple according to the total packaging thickness, whether the application is corrugated-to-corrugated or corrugated-to-wood, the required penetration or clinch and the operating range of the stapler.
Provide the required JK590 leg length, quantity, stapler manufacturer and model, packaging material, total material thickness and delivery destination. Reference KYA-JK590 when requesting this series.
