7.9mm A4 Black Wiro Binding Rings 3:1 Ratio - Cut Pieces (Holds 30 Papers)
7.9mm A4 Black Wiro Binding Rings 3:1 Ratio - Cut Pieces (Holds 30 Papers) - 7.9 mm / 100 is backordered and will ship as soon as it is back in stock.
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Securely bind up to 30 sheets with professional-grade black metal loops.
- Pre-cut A4 size (34 loops) saves assembly time.
- 3:1 pitch ratio ensures precise, lay-flat document rotation.
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7.9mm A4 Black Wiro Binding Rings 3:1 Ratio - Cut Pieces (Holds 30 ...
7.9mm A4 Black Wiro Binding Rings - 3:1 Ratio Cut Pieces
These 7.9mm A4 black wiro binding rings are 3:1 ratio cut pieces designed to hold up to 30 sheets of standard 80 gsm paper. Made from durable metal with a smooth black finish, these binding loops deliver a professional look for notebooks, diaries, reports and presentations. Each piece is pre-cut and ready to use with any standard 3:1 pitch wiro binding machine.
How to Measure Wiro Binding Rings
Wiro binding rings are measured by their diameter, which determines paper capacity. A 7.9 mm ring accommodates approximately 30 sheets of 80 gsm paper. Measure from the outer edge of the loop across the widest point to confirm diameter. Always match the pitch ratio (3:1) to your binding machine.
Technical Specifications
| Specification | Details |
|---|---|
| Ring Diameter | 7.9 mm |
| Paper Capacity | ~30 sheets (80 gsm) |
| Pitch Ratio | 3:1 (3 holes per inch) |
| Size | A4 (Standard) |
| Color | Black |
| Material | Metal with black coating |
| Type | Cut pieces (pre-sized) |
| Compatibility | 3:1 pitch wiro binding machines |
| Finish | Matte black |
| Application | Notebooks, diaries, reports, presentations |
| Package Includes | Cut pieces as per pack quantity |
| Country of Origin | India |
Frequently Asked Questions
| Question | Answer |
|---|---|
| What is the paper capacity of 7.9 mm rings? | 7.9 mm diameter rings hold approximately 30 sheets of 80 gsm A4 paper. |
| Are these pre-cut or in a continuous roll? | These are pre-cut pieces, ready to use. No cutting or measuring required. |
| What pitch do I need on my machine? | These are 3:1 ratio rings, compatible only with 3:1 pitch binding machines (3 holes per inch). |
| Can I use these with a 2:1 machine? | No. 3:1 rings require a 3:1 pitch machine. Using them with a 2:1 machine will misalign the holes. |
| What colour are these rings? | These are black coated metal rings with a matte finish. |
| Are these suitable for thick book covers? | Yes, the metal construction can handle standard book cover thickness. Test a sample first for extra heavy covers. |
Technical Details - 7.9mm (30 Paper) A4 Black Wiro Binding Metal Loops Rings 3.1 Ratio - Cut Pcs
| Feature | Description |
| Used in | Manuals, Calendars, and Portfolios |
| Key Advantage | Full 360-degree page flip functionality |
| Best for | A4 Size Documents (34 Loops) |
| Business Use Case | Client-facing proposals and legal briefs |
| Practical Use Case | Standard 30-sheet spiral document binding |
FAQs - 7.9mm (30 Paper) A4 Black Wiro Binding Metal Loops Rings 3.1 Ratio - Cut Pcs
| Question | Answer |
| Does this work for A4 paper? | Yes, these are pre-cut with 34 loops specifically for A4 size. |
| How many sheets can it hold? | It is designed for up to 30 sheets of standard 80 GSM paper. |
| Will the black color peel off? | The nylon coating provides long-lasting color retention under normal use. |
| What machine do I need? | You must use a 3:1 pitch wire binding machine. |
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