P2: 1 ~ P3: 1
KYA
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Nylon Coated Double Loop Wire is designed for professional wire binding of reports, presentations, calendars, sketchbooks, notebooks, journals and other printed documents that require a durable, clean and premium binding finish. With a smooth nylon-coated surface, double loop wire binding provides a professional appearance, secure page holding and excellent lay-flat performance for office supplies, print shops, binding factories and stationery manufacturers.
KYA nylon coated double loop binding wire is available in 3:1 pitch for thinner documents and 2:1 pitch for thicker documents. The product supports binding diameters from 3/16 inch to 1-1/2 inch, binding thickness from 3.0mm to 32.1mm, and custom color options including gold, silver, bronze and other requested colors. It is compatible with standard 2:1 and 3:1 wire binding machines and wire closers.

Double loop wire binding, also called twin loop wire, wire-o binding or wire comb binding, is widely used for professional document binding because it allows pages to lay flat and turn smoothly. The hidden connector and hinge ends create a neat back-cover appearance, while facing pages align cleanly for presentations, manuals, calendars and design books.
2:1 and 3:1 pitch options: 2:1 pitch is suitable for thicker documents, while 3:1 pitch is suitable for thinner documents and refined presentation binding.
Durable nylon coating: Provides a smooth, wear-resistant surface and helps maintain a professional appearance over time.
Custom colors: Gold, silver, bronze and other color options support branding, stationery design and premium document presentation.
Wide binding range: Supports binding thickness from 3.0mm to 32.1mm depending on wire size and pitch.
Machine compatibility: Compatible with standard 2:1 and 3:1 wire binding machines and wire closers.
Professional finish: Suitable for office documents, calendars, sketchbooks, notebooks, journals and commercial print binding.
| Specification | Details |
|---|---|
| Product Name | Nylon Coated Double Loop Wire |
| Brand | KYA |
| Model | P2:1 and P3:1 |
| Product Type | Double Loop Wire / Twin Loop Wire / Wire-O Binding Wire / Book Binding Wire |
| Pitch Options | 2:1 pitch, 3:1 pitch |
| Loop Options | 2:1 pitch with 21 loops; 3:1 pitch with 32 loops |
| Size Range | 3/16 inch to 1-1/2 inch |
| Binding Thickness Range | 3.0mm to 32.1mm depending on pitch and wire size |
| Wire Thickness Range | 0.70mm to 1.50mm |
| Surface Coating | Nylon Coated |
| Color Options | Gold, Silver, Bronze and custom colors on request |
| Machine Compatibility | Standard 2:1 and 3:1 wire binding machines and wire closers |
| Main Applications | Reports, presentations, calendars, sketchbooks, notebooks, journals, manuals, catalogs and professional document binding |
| Pitch | Size (inch) | Circle Diameter (mm) | Binding Thickness (mm) | Loops/Carton | Wire Thickness (mm) |
|---|---|---|---|---|---|
| 3:1 | 3/16" | 4.8 | 3.0 | 118,000 | 0.70 |
| 1/4" | 6.4 | 4.0 | 80,000 | 0.70 | |
| 5/16" | 7.9 | 5.6 | 58,000 | 0.80 | |
| 3/8" | 9.5 | 7.0 | 42,000 | 0.80 | |
| 7/16" | 11.1 | 9.5 | 28,000 | 0.90 | |
| 1/2" | 12.7 | 11.1 | 24,000 | 0.90 | |
| 9/16" | 14.3 | 12.7 | 18,000 | 1.00 | |
| 2:1 | 1/4" | 6.4 | 4.0 | 56,000 | 0.70 |
| 5/16" | 7.9 | 5.6 | 40,000 | 0.80 | |
| 3/8" | 9.8 | 7.0 | 29,500 | 0.80 | |
| 7/16" | 11.1 | 9.5 | 21,000 | 0.90 | |
| 1/2" | 12.7 | 11.1 | 17,500 | 0.90 | |
| 9/16" | 14.3 | 12.7 | 13,000 | 1.00 | |
| 5/8" | 15.9 | 13.2 | 10,000 | 1.10 | |
| 3/4" | 19.0 | 15.0 | 7,000 | 1.20 | |
| 7/8" | 22.2 | 19.0 | 4,500 | 1.20 | |
| 1" | 25.4 | 21.0 | 3,600 | 1.25 | |
| 1-1/8" | 28.6 | 25.4 | 2,400 | 1.50 | |
| 1-1/4" | 31.8 | 28.6 | 2,250 | 1.50 | |
| 1-1/2" | 38.1 | 32.1 | Free cut | 1.50 |


Professional binding appearance: Double loop wire gives reports, calendars, sketchbooks and notebooks a clean, finished look.
Lay-flat performance: Bound pages can lay flat and turn smoothly, making documents easier to read and present.
Durable nylon coating: The coating improves wear resistance, appearance and handling comfort.
Custom wire thickness: 0.70mm to 1.50mm options support different document thickness and binding strength requirements.
Color customization: Gold, silver, bronze and custom colors support brand identity, stationery design and premium finishing.
2:1 and 3:1 compatibility: Designed for standard pitch binding machines and wire closers used in print shops and offices.
Nylon coated double loop wire is suitable for commercial printing, office binding, stationery manufacturing and professional document finishing. It is often selected when users need durable binding, premium appearance, smooth page turning and stable document structure.
Reports and presentations for professional documentation
Calendars requiring durable page turning and stylish binding
Sketchbooks, notebooks and journals with secure page binding
Manuals, catalogs, training documents and corporate stationery
Print shop, copy center and office document finishing
Custom branded binding projects using gold, silver, bronze or special colors

| Pitch | Best For | Typical Sizes | Recommendation |
|---|---|---|---|
| 3:1 Pitch | Thinner documents, reports, presentations and premium office binding | 3/16" to 9/16" | Choose 3:1 when the document is thin and requires a refined, high-loop binding appearance. |
| 2:1 Pitch | Thicker documents, notebooks, manuals, sketchbooks and heavy binding jobs | 1/4" to 1-1/2" | Choose 2:1 when the document is thicker and needs larger wire diameter and stronger binding capacity. |
| Selection Point | Available Options | Recommendation |
|---|---|---|
| Pitch | 2:1 pitch, 3:1 pitch | Match the pitch to your binding machine and document thickness before ordering. |
| Wire Size | 3/16" to 1-1/2" | Choose wire size according to binding thickness and required page capacity. |
| Color | Gold, silver, bronze and custom colors | Use standard colors for general office binding and custom colors for branded stationery or premium products. |
| Wire Thickness | 0.70mm to 1.50mm | Use thicker wire for larger documents and stronger binding requirements. |
| Application | Reports, calendars, sketchbooks, notebooks, journals, manuals and presentations | Confirm final document thickness, paper weight, binding edge length and machine compatibility. |
Nylon coated double loop wire is used for binding reports, presentations, calendars, sketchbooks, notebooks, journals, manuals and other printed documents that require a professional and durable finish.
2:1 pitch has 2 holes per inch and is commonly used for thicker documents. 3:1 pitch has 3 holes per inch and is commonly used for thinner documents that require a more refined binding appearance.
Yes, it is compatible with standard 2:1 or 3:1 wire binding machines and wire closers. Before ordering, confirm your machine pitch, wire size range and closing capacity.
Yes. Wire thickness and colors can be customized. Common color options include gold, silver and bronze, and special colors can be discussed for branding, stationery and premium binding projects.
Binding thickness ranges from 3.0mm for 3/16 inch wire to 32.1mm for 1-1/2 inch wire. The correct size depends on document thickness, pitch and machine compatibility.
The nylon coating is designed for durability, wear resistance and a clean professional appearance. It helps protect the wire surface and improves the feel and look of finished bound documents.
For thinner calendars, 3:1 pitch is often suitable. For thicker calendars or heavier pages, 2:1 pitch may be better because it supports larger wire sizes and stronger binding capacity.
Yes. KYA can discuss samples, 2:1 or 3:1 pitch selection, wire size, color, wire thickness, carton packing, bulk quantity and delivery schedule according to your binding application.
KYA Fasteners supplies nylon coated double loop wire, book binding wire, office staples, industrial staples, stitching wire, coil nails, hog rings, wire products and fastening solutions for global customers. For office supplies, print finishing and professional binding, KYA provides 2:1 and 3:1 pitch binding wire with size selection, color customization and bulk supply support.
Contact KYA to get factory-direct pricing for Nylon Coated Double Loop Wire, including pitch selection, wire size, wire thickness, custom colors, samples, carton packing, bulk order quantity and shipping schedule.
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