--- product_id: 319862862 title: "Binditek Plastic Spiral Binding Coils, 8 mm, 4:1 Pitch, Black, 100 Pack | Coil Binding Spines, 5/16\", 40 Sheet Capacity, 48 Loops, for Letter-Size Reports, Presentations, School and Office Projects" price: "1001859₫" currency: VND in_stock: true reviews_count: 13 url: https://www.desertcart.vn/products/319862862-binditek-plastic-spiral-binding-coils-8-mm-4-1-pitch store_origin: VN region: Vietnam --- # 8mm diameter for 40-sheet capacity 360° rotation for effortless page turning 4:1 pitch with 48 loops, universal fit Binditek Plastic Spiral Binding Coils, 8 mm, 4:1 Pitch, Black, 100 Pack | Coil Binding Spines, 5/16", 40 Sheet Capacity, 48 Loops, for Letter-Size Reports, Presentations, School and Office Projects **Price:** 1001859₫ **Availability:** ✅ In Stock ## Summary > 📚 Bind it, flip it, impress it — your documents deserve the pro touch! ## Quick Answers - **What is this?** Binditek Plastic Spiral Binding Coils, 8 mm, 4:1 Pitch, Black, 100 Pack | Coil Binding Spines, 5/16", 40 Sheet Capacity, 48 Loops, for Letter-Size Reports, Presentations, School and Office Projects - **How much does it cost?** 1001859₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/319862862-binditek-plastic-spiral-binding-coils-8-mm-4-1-pitch) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Customizable Length:** Easily trim coils with Binditek crimpers for tailored binding solutions. - • **Bulk Pack of 100 Coils:** Stay stocked and ready for all your office, school, and business projects. - • **Smooth 360-Degree Page Turn:** Experience effortless flipping and lay-flat reading for presentations and reports. - • **Securely Holds Up to 40 Sheets:** Perfectly sized 8mm coils keep your documents neat and professional. - • **Universal 4:1 Pitch Compatibility:** Works seamlessly with any 4-hole-per-inch binding machine (except Cinch). ## Overview Binditek’s 8mm plastic spiral binding coils offer a durable, professional solution for binding up to 40 sheets of letter-sized paper. Featuring a 4:1 pitch with 48 loops, these black coils provide smooth 360-degree page rotation and compatibility with most binding machines. Sold in a convenient 100-pack, they’re ideal for office, academic, and business presentations that demand polished organization and easy handling. ## Description Buy Binditek Plastic Spiral Binding Coils, 8 mm, 4:1 Pitch, Black, 100 Pack | Coil Binding Spines, 5/16", 40 Sheet Capacity, 48 Loops, for Letter-Size Reports, Presentations, School and Office Projects: Binding Machine Supplies - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Easy to use and good quality - I have these stored next to my Cinch so when I'm ready to make some notebooks and even flip calendars they'll be ready to use! They are the right size and thickness, the right price, color and quality so I'll be back when I start running low on product. Review: Colorful and Sturdy Binding Coils — Great for Projects! - These Binditek plastic spiral binding coils are well made and come in vibrant, cheerful colors. They’re sturdy, flexible, and easy to use with a standard binding machine. Perfect for organizing homeschool materials, reports, or creative projects. They serve their purpose beautifully and make any booklet look neat and professional. Excellent value for a large pack! ## Features - 【40 Sheet Capacity】These plastic spiral binding coils, measuring 8mm (5/16") in diameter, can securely hold up to 40 sheets of #20 paper. They have been proven through testing reports and are capable of withstanding frequent use. - 【4:1 Pitch & 48 Loops】Spiral binding coils have a 4:1 pitch, making them compatible with any binding machine that punches 4 holes per inch. (Attention: These 4:1 pitch binding coils are not compatible with the Cinch machine.) - 【360-Degree Rotation】Plastic spiral binding coils provide a 360-degree page-turning rotation capability for easier reading, allowing bound projects to lay flat. - 【For Letter Size】These 48-loop binding coils are perfect for letter-sized paper (8.5 x 11 Inches). The length can also be cut with Binditek coil crimpers pliers according to personal requirements. - 【100 Binding Coils】Long-lasting and sturdy plastic spiral binding coils ensures long-term productivity for all your binding projects, allowing you to bind paper sheets with ease and store them for an extended period. Ideal for engineering files, business projects, office documents, and university presentations, they serve as amazing gifts suitable for teachers, students, and coworkers. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08N3YXJYD | | Best Sellers Rank | #2,658 in Office Products ( See Top 100 in Office Products ) #2 in Binder Combs & Spines | | Brand | Binditek | | Color | Black | | Customer Reviews | 4.7 4.7 out of 5 stars (1,374) | | Date First Available | November 10, 2020 | | Item Weight | 15.8 ounces | | Item model number | 8mm plastic coils 3773 | | Manufacturer | Binditek (shanghai) Co., Ltd. | | Manufacturer Part Number | 8mm plastic coils 3773 | | Package Dimensions | 13.86 x 5.67 x 2.13 inches | | Size | 8mm | ## Images ![Binditek Plastic Spiral Binding Coils, 8 mm, 4:1 Pitch, Black, 100 Pack | Coil Binding Spines, 5/16", 40 Sheet Capacity, 48 Loops, for Letter-Size Reports, Presentations, School and Office Projects - Image 1](https://m.media-amazon.com/images/I/61aQ0le-yXL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Easy to use and good quality *by B***J on May 11, 2026* I have these stored next to my Cinch so when I'm ready to make some notebooks and even flip calendars they'll be ready to use! They are the right size and thickness, the right price, color and quality so I'll be back when I start running low on product. ### ⭐⭐⭐⭐⭐ Colorful and Sturdy Binding Coils — Great for Projects! *by A***V on November 3, 2025* These Binditek plastic spiral binding coils are well made and come in vibrant, cheerful colors. They’re sturdy, flexible, and easy to use with a standard binding machine. Perfect for organizing homeschool materials, reports, or creative projects. They serve their purpose beautifully and make any booklet look neat and professional. Excellent value for a large pack! ### ⭐⭐⭐⭐⭐ Excellent quality and quick delivery *by M***L on July 12, 2026* These spirals came perfectly packaged and are excellent quality. I purchased these several times and then completely happy especially with the quick delivery. ## Frequently Bought Together - Binditek 100 Pack Plastic Spiral Binding Coils, 8mm(5/16"), 40 Sheet Capacity, 4:1 Pitch, Black, 48Loops, for Letter Size, for Students and Coworkers - Binditek 100 Pack 12 Mil Sand-Textured Polycover - Plastic Binding Cover for Letter Size - Lightly Sanded Finish - Business Reports and Proposals - Square Corners, Un-Punched, Black - Fellowes 52089 Binding Presentation Covers, 8mil, Letter, 100 Pack, Clear --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/319862862-binditek-plastic-spiral-binding-coils-8-mm-4-1-pitch](https://www.desertcart.vn/products/319862862-binditek-plastic-spiral-binding-coils-8-mm-4-1-pitch) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-09-13*