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  • Binditek 100 Pack Plastic Spiral Binding Coils, Multi Size (14mm, 16mm, 20mm, 25mm) (9/16", 5/8", 13/16", 1"), 4:1 Pitch, Black, for Students and Coworkers

Binditek 100 Pack Plastic Spiral Binding Coils, Multi Size (14mm, 16mm, 20mm, 25mm) (9/16", 5/8", 13/16", 1"), 4:1 Pitch, Black, for Students and Coworkers

4.7 out of 5 stars (1,271)
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Size: 14mm+16mm+20mm+25mm
Style: 100P , Black
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Purchase options and add-ons

  • 【Multi Size For Different Needs】 There are 4 sizes of black binding coils in this set, each size for 25pcs, include 14mm(9/16"), 16mm(5/8"), 20mm(3/4"), 25mm(1"). Each size of binding coil corresponds to a different paper capacity, allowing you to meet various binding needs.
  • 【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 suitable 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.
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4.74.7 out of 5 stars 1,271
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Product description

binding spines&covers

Binditek is a professional company mainly selling in binder and binding & laminating systems. Our products help customers to make work easier.

蛇圈-混装S主图

Binditek Plastic Spiral Binding Coils, Multi Size

Ideal for Busy Offices

Coil binding is an ideal choice for daily life, which provides a professional solution for your own school projects, handbooks, office reports, planning calendars, and more.

Multi Size for Different Needs

Binditek binding coils are available in several different sizes or colors to help you stay organized and ready for any binding project.

Long-Lasting

Binding coils are in lay-flat. 360-degree rotation to add and subtract paper sheets easily.

  • Ideal for Busy Offices
  • Multi Size for Different Needs
  • Lay-Flat, 360-Degree Rotation
  • Black Binding Spirals
  • 48 Loops for Letter Size
  • 4 size, each size for 25pcs
  • Long-Lasting
  • 4:1 Pitch Binding Coils

Turn your loose documents into a professional-looking report with Binditek Binding Coils.

蛇圈-pitch

4:1 Pitch & 48 Loops

Plastic binding spirals fit letter sized paper (8.5 x 11 Inches).

All binding spirals have a 4:1 pitch, making them compatible with any binding machine that punches 4 holes per inch.

透明封面-装订效果

Multi Size

There are 4 sizes of black binding coils in this set, each size for 25pcs, include 14mm(9/16"), 16mm(5/8"), 20mm(3/4"), 25mm(1")

蛇圈-效果图

360-Degree Rotation

Strong plastic spiral binding coils ensures long-term productivity for all your binding projects, allowing you to bind paper sheets with ease and store for a long time.

纸质封面-检测报告

Certificate of Quality

Binditek binding coils have obtained the certificate of quality from UL.

These flexible binding coils provide a great solution, securely holding pages together.

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1/4"(6mm) Binding coils
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5/16"(8mm) Binding coils
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3/8"(10mm) Binding coils
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1/2"(12mm) Binding coils
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5/8"(16mm) Binding coils
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3/4"(20mm) Binding coils
Customer Reviews
4.7 out of 5 stars 1,271
4.7 out of 5 stars 1,271
4.7 out of 5 stars 1,271
4.7 out of 5 stars 1,271
4.7 out of 5 stars 1,271
4.7 out of 5 stars 1,271
Price $16.49 $17.49 $18.99 $19.99 $25.99 $20.99
Sheet Capacity 30 Sheets 40 Sheets 75 Sheets 90 Sheets 140 Sheets 170 Sheets
Quantity 50 Pcs/ 100 Pcs/ 200 Pcs 50 Pcs/ 100 Pcs/ 200 Pcs 50 Pcs/ 100 Pcs/ 200 Pcs 50 Pcs/ 100 Pcs/ 200 Pcs 50 Pcs/ 100 Pcs 50 Per Box
Pitch 4:1 Pitch 4:1 Pitch 4:1 Pitch 4:1 Pitch 4:1 Pitch 4:1 Pitch
Material Plastic Plastic Plastic Plastic/ Metal Plastic Plastic
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14mm (9/16") Binding coils
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25mm (1") Binding Coils
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Multi Size Binding Coils
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Multi Size Binding Coils
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Multi Size Binding Coils
Customer Reviews
4.7 out of 5 stars 1,271
4.7 out of 5 stars 1,271
4.7 out of 5 stars 1,271
4.7 out of 5 stars 1,271
4.7 out of 5 stars 1,271
Price $23.99 $26.99 $25.99 $30.99 $20.99
Sheet Capacity 115 Sheet Capacity 215 Sheet Capacity 6mm+8mm+10mm+12mm 14mm+16mm+20mm+25mm 8mm+10mm+11mm+14mm+16mm
Quantity 50 Pcs/ 100 Pcs/ 200 Pcs 50 Per Box 100 Per Box 100 Per Box 60 Per Box
Pitch 4:1 Pitch 4:1 Pitch 4:1 Pitch 4:1 Pitch 3:1 Pitch
Color Black Black Black Black Black
Material Plastic Plastic Plastic Plastic Plastic
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Grain-Texture Paper Cover
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Linen-Texture Paper Cover
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Sand-Texture Polycovers
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Frosted-Texture Polycovers
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PVC Covers
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PET Covers
Customer Reviews
4.5 out of 5 stars 518
4.5 out of 5 stars 518
4.6 out of 5 stars 626
4.6 out of 5 stars 626
4.8 out of 5 stars 1,157
4.8 out of 5 stars 1,157
Price $19.99 $23.99 $25.99 $21.99 $33.99 $23.99
Material Paper Paper Polypropylene Polypropylene PVC Polyethylene Terephthalate
Color Assorted Colors Black Assorted Colors Semi-Transparent Clear Ultra Clear
Thickness 12 Mil / 13 Mil 13 Mil (250 GSM) 12Mil / 16Mil / 20Mil 12Mil / 15Mil / 20Mil From 4.5Mil to 12Mil 6 Mil/ 7 Mil/ 8 Mil/ 10 Mil/ 12 Mil
Size Letter Size Letter Size Letter Size / Tabloid Letter Size Letter Size / Oversize / Tabloid Letter Size
Unpunched

Product information

Technical Details

Manufacturer ‎Binditek (shanghai) Co., Ltd.
Brand ‎Binditek
Item Weight ‎3.21 pounds
Package Dimensions ‎13.74 x 8.11 x 4.37 inches
Material Type ‎Plastic
Size ‎14mm+16mm+20mm+25mm

Additional Information

ASIN B0B7RF55KN
Customer Reviews
4.7 out of 5 stars (1,271)

4.7 out of 5 stars
Best Sellers Rank
Date First Available July 27, 2022

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

Feedback

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Binditek 100 Pack Plastic Spiral Binding Coils, Multi Size (14mm, 16mm, 20mm, 25mm) (9/16", 5/8", 13/16", 1"), 4:1 Pitch, Black, for Students and Coworkers


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Customer reviews

4.7 out of 5 stars
1,271 global ratings
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Customers say

Customers find these binding coils well-made and durable, working effectively for binding up to 300+ pages. They are incredibly easy to use and offer good value, with one customer noting they're particularly useful for school projects. Customers appreciate the variety of sizes, with one mentioning they're large enough to accommodate large books.
AI Generated from the text of customer reviews

Select to learn more

36 customers mention quality, 34 positive, 2 negative
Customers find the spiral binding coils to be well-made and perfect for their needs.
Consistent quality. Good pricing on a great product. Have been using national brands and am pleased with this product.Read more
They are easy to use, the right size for bigger projects. And good quality. They don’t break easily....Read more
I returned these because I bought the wrong size, BUT they were great quality and a great price for how many you get.Read more
Great cat toys.Read more
22 customers mention binding quality, 20 positive, 2 negative
Customers are satisfied with the binding quality of these coils, with multiple customers confirming they work well, and one mentioning they can handle up to 300+ pages.
Good variety of sizes. Works well.Read more
These get the job done. They have worked well and held up over months of use.Read more
These are strong and thick. Hold their shape and work great. Not like some other flimsy ones being sold.Read more
I love these! They work great for binding 300+ pages. I’d suggest using stronger front and back covers with this size, however. Maybe plastic....Read more
22 customers mention value for money, 20 positive, 2 negative
Customers find the binding coils to be good value for money, with one mentioning they offer great quality for the price.
...because I bought the wrong size, BUT they were great quality and a great price for how many you get.Read more
...These coils are very sturdy and a great value!Read more
These coils do the job for a good price....Read more
Work just as expected. Great value for the price. The product worked as describe. I would order again.Read more
21 customers mention ease of use, 18 positive, 3 negative
Customers find the binding coils incredibly easy to use, with one mentioning that the ends crimped easily.
...this is an excellent product, easy to use, quality is great. standard design which is what publishers want. happy publishing!Read more
...It is very easy to use. I like the value and quality.Read more
Smooth and easy to handle. Will purchase again!Read more
...They’re sturdy, flexible, and easy to use with a standard binding machine....Read more
17 customers mention durability, 14 positive, 3 negative
Customers find the binding coils sturdy, with one customer noting they hold their shape well and another mentioning they will last a long time.
...But, I needed something quickly, so took a chance. They are quite sturdy, go through the roller on the binding machine nicely, and cut perfectly...Read more
...The durability of these coils ensures that my documents stay securely bound without any wear and tear....Read more
...The spirals were easy to use and durable.Read more
These are strong and thick. Hold their shape and work great. Not like some other flimsy ones being sold.Read more
14 customers mention size, 11 positive, 3 negative
Customers appreciate the size of these binding coils, with one mentioning they are large enough to accommodate large books.
Perfect sizeRead more
Good variety of sizes. Works well.Read more
This spiral held about 275 sheets (38 lb paper) and still had room to flip. Amazing quality !! Really sturdy not thin or flimsy!Read more
Not what I wanted, too bigRead more
13 customers mention versatility, 13 positive, 0 negative
Customers find these binding coils versatile, with one mentioning they are perfect for larger projects and another noting they are essential for school projects.
These clear and colored spiral coils are an absolute must-have for binding school projects!...Read more
...This has been super helpful in my homeschool classroom as I opt for printing my children’s curriculum and binding them myself!Read more
These binders help me finish my project for my student council. I made 100 memory books for them and they were all in love....Read more
...They keep our grade altogether so no papers get lost. We love that they are easy to use and crimp.Read more
10 customers mention binding ability, 10 positive, 0 negative
Customers find these binding coils effective, with individual reviews highlighting their suitability for various applications, including booklets, proposals, and mini notebooks.
These were great for book binding! My kids wrote and illustrated their own book and we were able to get them put together with these!Read more
Stock item for our binding machines, make sure you are ordering the right size coil with the right pitch, the product description will tell you, and...Read more
These are our go to for binding proposals. Nearly half the price than our regular vendor for binding coils....Read more
Most coil binders use 4:1 - these are perfect for those machines that only use 3:1 coils. Well priced.Read more
Amazing Quality Spiral
5 out of 5 stars
Amazing Quality Spiral
This spiral held about 275 sheets (38 lb paper) and still had room to flip. Amazing quality !! Really sturdy not thin or flimsy!
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Top reviews from the United States

  • Reviewed in the United States on November 3, 2025
    Size: 12mmStyle: 50P , Multi ColorVerified Purchase
    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!
  • Reviewed in the United States on February 9, 2026
    Size: 32mmStyle: 50P , BlackVerified Purchase
    This spiral held about 275 sheets (38 lb paper) and still had room to flip. Amazing quality !! Really sturdy not thin or flimsy!
    Customer image
    5.0 out of 5 stars
    Amazing Quality Spiral

    Reviewed in the United States on February 9, 2026
    This spiral held about 275 sheets (38 lb paper) and still had room to flip. Amazing quality !! Really sturdy not thin or flimsy!
    Images in this review
    Customer image Customer image
  • Reviewed in the United States on January 20, 2026
    Size: 30mmStyle: 50P , BlackVerified Purchase
    I’m really pleased with the quality and quantity for the price! This has been super helpful in my homeschool classroom as I opt for printing my children’s curriculum and binding them myself!
  • Reviewed in the United States on January 24, 2026
    Size: 20mmStyle: 50P , BlackVerified Purchase
    Work just as expected. Great value for the price. The product worked as describe. I would order again.
  • Reviewed in the United States on December 17, 2025
    Size: 10mmStyle: 100P , BlackVerified Purchase
    These were perfect for binding my booklet.
  • Reviewed in the United States on January 24, 2025
    Size: 12mmStyle: 50P , Multi ColorVerified Purchase
    I ordered these binding spirals for my husband who was needing them to bind a portfolio. The product states that there are 50 total spirals, 10 of each, and colors are listed as red, blue, yellow, green, pink. I chose this specific package for the red spirals, and they were closer to orange than red. Also (not pictured), the blue is more royal than it is navy blue. The spiral on the right of the picture is what came in the package. The spiral on the left is the spiral that I ended up spray painting red.

    Otherwise, the spirals work great. They are lightweight plastic, easy to use, and the size is just as described. I was able to use these to bind 75 pages, 2 pvc covers, and a cardstock cover. If you need to bind more than this, I would size up as the amount of pages I used was close to maxing out the spirals capacity.
    Customer image
    4.0 out of 5 stars
    Color of spirals not as shown.

    Reviewed in the United States on January 24, 2025
    I ordered these binding spirals for my husband who was needing them to bind a portfolio. The product states that there are 50 total spirals, 10 of each, and colors are listed as red, blue, yellow, green, pink. I chose this specific package for the red spirals, and they were closer to orange than red. Also (not pictured), the blue is more royal than it is navy blue. The spiral on the right of the picture is what came in the package. The spiral on the left is the spiral that I ended up spray painting red.

    Otherwise, the spirals work great. They are lightweight plastic, easy to use, and the size is just as described. I was able to use these to bind 75 pages, 2 pvc covers, and a cardstock cover. If you need to bind more than this, I would size up as the amount of pages I used was close to maxing out the spirals capacity.
    Images in this review
    Customer image
    3 people found this helpful
    Report
  • Reviewed in the United States on September 26, 2025
    Size: 14mm+16mm+20mm+25mmStyle: 100P , BlackVerified Purchase
    I’m very happy with this pack of spiral binding coils. It comes with 100 coils in 4 different sizes, which makes it really versatile for different projects. They’re standard binding coils, easy to use, and a great value for the quantity and variety. Exactly what I needed.
    Customer image
    KT
    5.0 out of 5 stars
    Good value and variety

    Reviewed in the United States on September 26, 2025
    I’m very happy with this pack of spiral binding coils. It comes with 100 coils in 4 different sizes, which makes it really versatile for different projects. They’re standard binding coils, easy to use, and a great value for the quantity and variety. Exactly what I needed.
    Images in this review
    Customer image
    2 people found this helpful
    Report
  • Reviewed in the United States on December 16, 2025
    Size: 10mmStyle: 50P , BlackVerified Purchase
    very good quality

Top reviews from other countries

Translate all reviews to English
  • Vdtyas
    5.0 out of 5 stars Excellent Spiral Binding Coils – Just What I Needed!
    Reviewed in Canada on June 7, 2025
    Size: 6mm+8mm+10mm+12mmStyle: 100P , BlackVerified Purchase
    Great quality spiral bindings! Arrived well-packed and in perfect shape. Easy to use, and perfect for my homeschool books.

    Highly recommend these if you’re looking for reliable binding supplies at a great value. I’ll definitely be ordering more in the future!
    Customer image
    Vdtyas
    5.0 out of 5 stars
    Excellent Spiral Binding Coils – Just What I Needed!

    Reviewed in Canada on June 7, 2025
    Great quality spiral bindings! Arrived well-packed and in perfect shape. Easy to use, and perfect for my homeschool books.

    Highly recommend these if you’re looking for reliable binding supplies at a great value. I’ll definitely be ordering more in the future!
    Images in this review
    Customer image Customer image
  • Luisa Liliana
    5.0 out of 5 stars Espiral de cuaderno
    Reviewed in Mexico on August 24, 2023
    Size: 25mmStyle: 50P , BlackVerified Purchase
    Me encanto, es lo que esperaba gracias.
    Report
  • Tina Hill (LifeAsTeeInThisFictionalWorld)
    5.0 out of 5 stars Pretty colours
    Reviewed in Canada on June 20, 2023
    Size: 12mmStyle: 50P , Multi ColorVerified Purchase
    I got these to make my little brother some handy dandy notebooks like in blue's clues and he loves that they have a red spiral just like blue's! We've used the other colours to make other themed ones as well
  • andrea rocio villegas torres
    5.0 out of 5 stars Excelente
    Reviewed in Mexico on May 6, 2024
    Size: 10mmStyle: 200P , BlackVerified Purchase
    Medida correcta , llego antes de lo esperado , muy buena calidad , piezas completas
  • Ben Kingston
    1.0 out of 5 stars Improper title
    Reviewed in Canada on January 7, 2025
    Size: 6mmStyle: 200P , BlackVerified Purchase
    The ad says it’s a pack of 200 but only a pack of 100 was delivered.
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