---
product_id: 5637913
title: "8mm (5/16 in.) Spiral Binding Coils for Reports, Presentations and Proposals | 4:1 Pitch | 12 in. Length | Black | 54 Sheets Binding Capacity | 100 Pack"
brand: "trubind"
price: "₨655"
currency: SCR
in_stock: true
url: https://www.desertcart.sc/products/5637913-8mm-5-16-in-spiral-binding-coils-for-reports-presentations
store_origin: SC
region: Seychelles
---

# 54 sheets capacity 12 in. length 4:1 pitch compatibility 8mm (5/16 in.) Spiral Binding Coils for Reports, Presentations and Proposals | 4:1 Pitch | 12 in. Length | Black | 54 Sheets Binding Capacity | 100 Pack

**Brand:** trubind
**Price:** ₨655
**Availability:** ✅ In Stock

## Summary

> 📚 Bind with Confidence: Elevate Your Presentations to the Next Level!

## Quick Answers

- **What is this?** 8mm (5/16 in.) Spiral Binding Coils for Reports, Presentations and Proposals | 4:1 Pitch | 12 in. Length | Black | 54 Sheets Binding Capacity | 100 Pack by trubind
- **How much does it cost?** ₨655 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/5637913-8mm-5-16-in-spiral-binding-coils-for-reports-presentations)

## Best For

- trubind enthusiasts

## Why This Product

- Trusted trubind brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Design:** Crafted from high-quality plastic that resists bending and snagging.
- • **Perfectly Pre-Cut:** Each coil is 12 inches long, tailored for letter-sized documents.
- • **Robust Binding Power:** Holds up to 54 sheets of standard paper, ensuring your projects stay intact.
- • **Seamless Compatibility:** Designed to work flawlessly with most 4:1 coil-binding machines.
- • **Unleash Your Creativity:** Transform your reports and proposals into professional masterpieces with ease!

## Overview

The TruBind 8mm Spiral Binding Coils are designed for professionals looking to create polished reports, presentations, and proposals. With a 12-inch length and a binding capacity of up to 54 sheets, these durable plastic coils ensure your documents lay flat and look impressive. Compatible with most 4:1 pitch binding machines, they offer a seamless solution for all your binding needs.

## Description

TruBind 8mm (5/16 in.) Spiral Binding Coils for Reports, Presentations and Proposals | 4:1 Pitch | 12 in. Length | Black | 54 Sheets Binding Capacity | 100 Pack

## Features

- QUALITY PLASTIC â€“ Easily create bound projects that lay flat with our binding coils. Their durable plastic construction wonâ€t bend or snag, and they look great on business proposals, reports, menus, and more.
- PRECUT COILS â€“ Each TruBind coil is 12 inches long and fits a letter-sized book, document, or binding project perfectly. Our coils have plenty of excess, so you can crimp the ends for a finished look.
- 8-MM PRE-SIZED COILS â€“ These TruBind plastic coils measure 8mm, or 5/16â€ in diameter, for increased durability and holding strength. Easily bind books, documents, or reports in-office with pre-sized coils.
- BINDING CAPACITY â€“ Our plastic coils can hold up to 54 sheets of standard 20# copy paper each when bound. That equals a maximum binding capacity of 9/32 inches in thickness, perfect for most office projects.
- 4:1 PITCH â€“ Compatible with most 4:1 coil-binding machines, our plastic coils have 48 loops per 12-inch coil. Their 4:1 pitch matches the 4-holes-per-inch punching pattern on the side of your book.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | TruBind |
| Brand | TruBind |
| Item Weight | 1.32 pounds |
| Product Dimensions | 12.9 x 6.7 x 2.5 inches |
| Item model number | OP-31395 |
| Is Discontinued By Manufacturer | No |
| Color | Black |
| Manufacturer Part Number | COIL08-BK |

## Images

![8mm (5/16 in.) Spiral Binding Coils for Reports, Presentations and Proposals | 4:1 Pitch | 12 in. Length | Black | 54 Sheets Binding Capacity | 100 Pack - Image 1](https://m.media-amazon.com/images/I/41lEnvyAyhL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Do you stock 3:1 pitch coils?**
A: I am sorry we do not stock a 3:1 pitch plastic coil. We do however have a 3:1 pitch in a wire binding. Thank you for your time and understanding.

**Q: how many pieces of paper will this hold?**
A: This will bind roughly 45 sheets of standard 20 # paper. 1/4" book thickness. Thank you for your time today.

**Q: is this 4:1?**
A: Yes this is 4:1. I've purchased it multiple times matching my machine's 4:1 size.

**Q: What kind of plastic is used in these coils?**
A: Manufactured from recycled PVC, our premium color coil binding elements look the same, perform the same and (best of all) cost the same as conventional plastic. And you can still choose from 50 colors. coil and filament are CPSIA (Consumer Products Safety Improvement Act of 2008 Compliant) Phthalate and Lead Free.

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**Shop now:** [https://www.desertcart.sc/products/5637913-8mm-5-16-in-spiral-binding-coils-for-reports-presentations](https://www.desertcart.sc/products/5637913-8mm-5-16-in-spiral-binding-coils-for-reports-presentations)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-05-09*