HongKong Sudi Stationery Limited
China Spiral Binding Coil Manufacturer Various types of text booklet calendars, spiral binding coils
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For Diary 1/4-1-3/4 Inch Color Double Ring Binding
We offer a wide selection of the most commonly used double loop binding supplies at affordable prices. Double loop binding is fast becoming one of the most popular binding methods. Twin Loop Wire bound documents are sleek and attractive, lay flat and wrap around for easy reading. Documents are securely bound so pages do not fall off.
Our dual loop wire is available in 3:1 pitch and 2:1 pitch and it is compatible with all 3:1 and 2:1 pitch wire bonders.
Pages flip easily 360° and lay flat for easy reading and writing.
I can offer spools, pre-cut/standard lengths and custom cut lengths.
Available in a variety of standard colors ranging from 1/4" to 1-3/4" diameter
It has many different sizes, depending on the thickness of different books.
The color, size and length of the double coil can be customized.
It is very rich in size, and users can customize it according to their own needs:
| Product Size (mm) | Pitch | Binding Thickness (mm) | Recommended Max Number of sheet (80g) |
| 1/4” (6.4mm) | 3:1 | 4.8 | 45 |
| 5/16” (7.9mm) | 6.4 | 60 | |
| 3/8” (9.5mm) | 7.9 | 75 | |
| 7/16” (11.1mm) | 9.5 | 85 | |
| 1/2” (12.7mm) | 11.1 | 100 | |
| 9/16” (14.3mm) | 12.7 | 120 | |
| 5/8” (15.9mm) | 14.3 | 135 | |
| 5/8” (15.9mm) | 2:1 | 14.3 | 135 |
| 3/4” (19.1mm) | 17.5 | 165 | |
| 7/8” (22.2mm) | 20.6 | 180 | |
| 1” (25.4mm) | 23.8 | 200 | |
| 1-1/8” (28.6mm) | 26.5 | 220 | |
| 1-1/4” (31.8mm) | 30 | 240 | |
| 1-3/8” (34.9mm) | 33.5 | 260 | |
| 1-1/2” (38.1mm) | 36 | 280 | |
| 1-5/8”(41.27mm) | 2:1 | 38 | 320 |
| 1-3/4”(44.45mm) | 2:1 | 41 | 340 |
1；At present, there are two pitches provided by our company: 2:1 3:1;
2；If you don't know what size to use? We can use a ruler to measure the total thickness of the textbook, and then select the range of binding thickness in the table.
FQA :
Q: ls your company a factory or trading company?
A: Our company has professional factory and our own export company can
export to you directly.
Q: Can you accept OEM?
A: Yes,no problem.We have a professional team having rich experience in plastic
packaging box design and manufacturing.pls give us your artwork or tell us w
hat you like,we can design for you.
Q: How can I get some samples and how long l can get the sample?
A: 1,We are honored to offer you samples and it can be sent out within 2days.New
clients are expected to pay for the courier cost, the samples are free for you, this
courier cost will be deducted from the payment for formal order.
Dear, I am honored that you can come to my website. We are a manufacturer, no middlemen are involved,
the price is very favorable, and the quality is guaranteed. If you are interested in our products, please contact us.
Customize the products you are satisfied with.
luo@sudidg.com WhatsAPP+86-13825814801