7.9mm A4 Black Wiro Binding Rings 3:1 Ratio - Cut Pieces (Holds 30 Papers)

Rs. 530.00
Prices Are Including Courier / Delivery
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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.