KYA Fasteners supplies U crown staples and round crown fasteners for mattress manufacturing, bedding spring attachment, upholstered furniture, cabinet assembly and selected industrial fastening applications. The range includes 16 gauge BCS31, BCS31P and TRD U-shaped staples, together with aluminum U-shaped clips for compatible packaging machinery.
KYA's featured 16GA U crown staples include a nominal 9mm crown, 19mm to 25mm leg-length configurations across the listed series, and tape or glue collation options. Products are available in item-specific galvanized steel and stainless steel configurations. Actual dimensions, materials and packaging depend on the selected model.
For mattress manufacturers, furniture factories and fastening distributors, selecting the correct U crown staple requires checking the crown profile, wire section, leg length, point arrangement, collation and fastening tool. Similar-looking staples should not be substituted without confirming the complete specification.
U crown staples are industrial fasteners with a formed crown connecting two legs. Certain U crown or round crown designs are used with specialized pneumatic staplers to attach mattress springs and other specified components to wooden frames. Other U-shaped staple designs are used for wire fixing, furniture assembly and selected industrial operations.
The crown shape and dimensions are important because they affect how the staple contacts the material being secured. For a mattress spring fastening application, the selected staple must match the spring wire, wooden frame and fastening equipment.
The staple legs penetrate the receiving substrate while the crown bears against the attached component. Actual holding performance depends on the staple material, wire dimensions, leg penetration, wood properties and installation method.
The term U-shaped fastener can also refer to aluminum packaging clips. These clips close bags or casings by being formed around the packaging material and are not interchangeable with steel staples driven into wood.
KYA offers U crown steel staples, specialized wire-fixing staples and aluminum packaging clips. The following products cover different industrial applications and fastening equipment.
| Product | Type | Main Application | Product Details |
|---|---|---|---|
| 16GA BCS31 Stainless Steel U Crown Staples | Tape-Collated Round Crown Staples | Mattress spring attachment and selected furniture applications | View BCS31 |
| 16GA BCS31P U Crown Staples With Tape | Tape-Collated Round Crown Staples | Bedding, upholstery and compatible furniture fastening | View BCS31P Tape |
| 16GA BCS31P U Crown Staples With Glue | Glue-Collated U Crown Staples | Cabinets, drawers and compatible industrial wood assembly | View BCS31P Glue |
| 16GA TRD U-Shape Staples | Pneumatic U-Shaped Wire Fasteners | Mattress spring fixing and selected wire-to-wood connections | View TRD Series |
| U506 Aluminum Sausage Clips | U-Shaped Aluminum Packaging Clips | Sausage casings, bags and netting | View U506 Clips |
| 713VO-AR Aluminum Staples | Aluminum Sealing Clips | Compatible food packaging and sealing equipment | View 713VO-AR |
| U502s Aluminum Sausage Clips | Aluminum Packaging Clips | Sausage casings, bags and net packaging | View U502s |
| Aluminum R Clips | Spool-Fed Packaging Clips | Bags, netting and casings | View R Clips |
| U-Shaped Aluminum Sausage Clips | Packaging Clipper Fasteners | Food casings and industrial bag closure | View U-Shaped Clips |
The first four products are steel staples intended for compatible driving tools. The aluminum clips are packaging closure fasteners used in compatible clipping systems. Their material, dimensions, operating method and application requirements are different.
Request U Crown Staples Wholesale Pricing
KYA BCS31 and BCS31P products are 16 gauge U crown or round crown staples with a listed 9mm crown and 19mm leg length. They are available in tape-collated and glue-collated product configurations and are intended for compatible 16 gauge fastening equipment.
| Specification | BCS31 | BCS31P |
|---|---|---|
| Gauge | 16GA | 16GA |
| Crown Width | 9mm / Approx. 3/8" | 9mm / Approx. 3/8" |
| Reference Wire Width | 1.6mm | 1.6mm |
| Reference Wire Thickness | 1.3mm | 1.3mm |
| Leg Length | 19mm / 3/4" | 19mm / 3/4" |
| Available Product Types | Stainless Steel, Tape-Collated Listing | Tape-Collated and Glue-Collated Listings |
| Listed Carton Quantity | 28,000 pcs | 28,800 pcs |
These dimensions and carton quantities are reference specifications for the listed KYA products. Confirm the exact wire profile, material grade, point arrangement and final packaging for each item before ordering.
The BCS31 tape-collated staple is intended for compatible fastening tools used in selected bedding, furniture and woodworking applications. The product listing identifies stainless steel and galvanized wire variants, with a nominal 9mm crown and 19mm legs.
The BCS31P tape-collated configuration is designed for suitable 16 gauge round crown staple systems. Round crown BCS31P-type fasteners are used in mattress spring-to-frame operations and other specified furniture fastening applications. Tool compatibility and the required point arrangement should be verified before substituting a fastener.
KYA BCS31P glue-collated staples use a listed 9mm crown, 19mm leg length and 16 gauge wire for selected furniture, cabinetry, drawer, planter and trim applications. The glue collation must match the tool's accepted feeding arrangement.
Tape collation and glue collation are not automatically interchangeable. Check the particular stapler magazine, driver and approved fastener type before ordering replacement staples.
KYA TRD U-Shape Staples are 16 gauge industrial fasteners designed for compatible pneumatic wire-fixing and mattress fastening equipment. The listed product range includes TRD-619, TRD-622 and TRD-625 in three different leg lengths.
| Model | Gauge | Crown Width | Leg Length |
|---|---|---|---|
| TRD-619 | 16GA | 9mm | 19mm / 3/4" |
| TRD-622 | 16GA | 9mm | 22mm / Approx. 7/8" |
| TRD-625 | 16GA | 9mm | 25mm / Approx. 1" |
The TRD series has a published reference wire section of 1.6 × 1.4mm and is listed with chisel points. Product descriptions identify galvanized steel and selected stainless steel material options, together with tape or glue collation configurations.
Applications include securing specified mattress springs, wire components and selected upholstered furniture assemblies to suitable wooden frames. Confirm the required staple length, spring wire position and pneumatic tool specification for the manufacturing process.
In addition to steel U crown staples, KYA supplies aluminum packaging clips for closing sausage casings, flexible bags, netting and selected food or industrial packaging materials.
These clips are not driven into wooden frames. They are shaped around the packaging material by compatible clipping machinery. The required clip profile, aluminum hardness, forming die and packaging neck dimensions must be considered when selecting a product.
KYA U506 aluminum clips have a listed 11.5 × 11.5mm reference size and are supplied in a 4,000-piece-per-box configuration. They are intended for compatible sausage clipping and bag-sealing equipment. Confirm the specific aluminum alloy and required closure before purchasing.
KYA also lists 713VO-AR aluminum staples, U502s sausage clips, aluminum R clips and other U-shaped packaging clip products. These are intended for different clipping machine and packaging configurations.
For additional aluminum packaging fasteners, see the KYA Aluminum Staples and Packaging Clips category. Buyers should compare the individual clipping machine requirements before selecting a replacement clip.
| Comparison | Steel U Crown Staples | Aluminum Packaging Clips |
|---|---|---|
| Representative Products | BCS31, BCS31P, TRD | U506, U502s, 713VO-AR, R Clips |
| Primary Material | Steel or specified stainless steel | Aluminum or specified aluminum alloy |
| Fastening Method | Driven into a suitable receiving substrate | Formed around a packaging neck or casing |
| Main Equipment | Compatible pneumatic U crown stapler | Compatible packaging clipper |
| Typical Applications | Bedding springs, upholstered furniture and selected wood assembly | Casings, bags, netting and flexible packaging |
These two product categories are not interchangeable. Select the required fastener by its actual function, material, geometry and fastening equipment.
KYA U crown steel staples are used in selected professional assembly operations where their dimensions, crown geometry and compatible tools meet the application requirements.
Mattress Spring Attachment: Fixing compatible mattress springs or wire components to wooden bedding frames.
Box Spring Manufacturing: Securing specified spring components during bedding assembly.
Upholstered Furniture: Selected spring-to-frame and wooden component fastening operations.
Cabinet and Drawer Assembly: Fastening compatible wooden panels and components using the specified staple model.
Wooden Frames and Trim: Selected framing and finishing applications where the U crown staple dimensions are suitable.
Planter and Flower Box Manufacturing: Fastening selected wooden components with an appropriate material and corrosion-protection specification.
Industrial Wire Fixing: Securing suitable wire or spring components using compatible pneumatic equipment.
Roofing systems, load-bearing structures and other regulated assemblies may require separate approved fasteners. Do not substitute U crown staples without confirming the relevant installation or structural requirements.
Selected KYA BCS31P and TRD staples are listed with galvanized steel wire. A zinc-based coating provides a degree of protection against corrosion, depending on its specification and the service environment. Confirm the coating requirements for the application.
KYA lists stainless steel BCS31 staples and selected stainless steel material options for related products. Confirm the exact stainless grade and fastener profile where higher corrosion resistance or specified material compatibility is required.
Tape collation and glue collation hold staples together for feeding into compatible magazines. The appropriate type depends on the staple profile and the pneumatic tool's feeding arrangement. Confirm the collation required by the tool before selecting a product.
Point geometry can affect penetration and fastening performance. For spring attachment staples, the orientation of adjacent chisel points may also be important to the specified product and tool. Verify the original staple code and point arrangement when sourcing a replacement.
KYA U crown staples are intended for compatible fastening tools. Certain BCS31P-type round crown staples are used with specialized pneumatic bedding staplers, including designated BOSTITCH spring-to-frame tool systems. A tool manufacturer's brand name alone does not establish compatibility.
The stapler must accept the selected fastener's crown shape, width, wire section, leg length, point orientation and collation. Ordinary upholstery, framing or wide crown staplers are not necessarily suitable for U crown spring staples.
Exact stapler manufacturer and model
Required BCS31, BCS31P, TRD or other staple series
Nominal gauge and actual wire section
Crown width and crown profile
Required leg length
Chisel point arrangement or other specified point design
Tape or glue collation and magazine requirements
Material and corrosion-protection requirements
Receiving wood, spring wire or other workpiece specifications
Before full-scale manufacturing, test fastening performance using the actual tool, staple and receiving materials. Confirm feeding, driving depth and retention before production use.
KYA Fasteners supplies U crown staples and specialty fastening products for mattress factories, bedding manufacturers, upholstered furniture producers, woodworking businesses, industrial fastener distributors and professional equipment suppliers.
Packaging quantities depend on the product series and model. The featured BCS31 and BCS31P listings identify reference carton quantities of 28,000 and 28,800 pieces respectively. Buyers should confirm the exact item, collation and final package configuration before purchasing.
Required model: BCS31, BCS31P, TRD-619, TRD-622, TRD-625 or another identified product
Crown width, profile and wire dimensions
Staple leg length and point configuration
Galvanized steel, stainless steel or other specified material
Tape or glue collation requirement
Pneumatic stapler manufacturer and model
Mattress spring, furniture component or receiving substrate
Required carton quantity and packaging format
Purchasing quantity and destination market
For aluminum packaging clips, provide the clipping machine model, clip dimensions, material requirements, packaging type and closure conditions instead of the woodworking staple specifications above.
Get a Bulk U Crown Staples Quote
U crown staples are used for specified mattress spring-to-frame connections, upholstered furniture assembly, selected cabinetry and wire-fixing applications. The correct product depends on the crown design, fastening tool and receiving material.
U crown or round crown staples have a formed crown profile used in specified fastening systems, including spring attachment. Standard flat crown staples have a different crown geometry. Their uses and compatible staplers may differ even when the nominal gauge is similar.
KYA lists 16GA BCS31 and BCS31P staples with a nominal 9mm crown, 19mm leg length and reference wire section of approximately 1.6 × 1.3mm. Confirm the final product drawing and point configuration before ordering.
Both are associated with 16 gauge round crown fastening systems. Depending on the product specification, differences can include the point arrangement, collation and packaging. Confirm the original staple reference and approved tool requirements before substituting one model for another.
The listed TRD Series includes TRD-619 at 19mm, TRD-622 at 22mm and TRD-625 at 25mm. These 16 gauge staples have a nominal 9mm crown and are intended for compatible pneumatic fastening equipment.
Certain BCS31P-type round crown staples and TRD U-shaped staples are used in specified mattress and bedding fastening operations. Confirm the spring wire dimensions, wooden frame, approved staple and fastening equipment for the production process.
No. Only compatible tools accepting the required U crown or round crown staple profile can be used. Verify the exact tool model, crown shape, gauge, wire section, leg length and collation before ordering.
Tape and glue are different methods of holding staples together for feeding into suitable magazines. The correct type is determined by the tool's accepted fastener specification. Matching gauge and crown dimensions alone does not establish interchangeability.
KYA lists a stainless steel BCS31 tape-collated product and selected stainless steel options for related models. Confirm the material grade, dimensions and required corrosion resistance for the intended application.
No. Aluminum sausage clips are formed around bags or casings by clipping machines. U crown steel staples are driven into suitable substrates using staplers. The products have different materials, dimensions and operating methods.
Provide the product model, crown width and profile, wire dimensions, leg length, material, finish, collation, stapler model, packaging requirements, order quantity and destination country. Include the existing fastener specification when sourcing a replacement.
KYA Fasteners supplies industrial staples, nails, specialty clips, wire products and fastening tools for bedding manufacturing, furniture production, woodworking, packaging and professional distribution.
The KYA U crown product range includes BCS31, BCS31P and TRD steel staples, together with aluminum packaging clips for compatible production equipment. Contact KYA with the required product reference and fastening specifications to discuss suitable products for your business.
