Payment Terms | T/T, L/C, D/P, Western Union, MoneyGram |
Supply Ability | 500,000 pieces per month |
Delivery Time | 1-15 days |
Packaging Details | Export carton |
Product Name | Colored Metal Spiral Binding Coils |
Binding Thickness | 23.6mm |
Finish | Encapsulation |
Color | black, white, red,yellow,green,blue,purple,gold,bronze, silver |
Dimension | 3.4mmto42.8mm |
use | Calendar, notebook, various books |
Length | custom made |
Hole Distance | 4/1 3/1 2/1 5/1 |
Wire diameter | Standard (customizable) |
Binding way | by Single loop forming spiral&binding machine |
inventory | 1000pcs |
Number of turns | Can be cut into any number of teeth |
material | Nylon covered wire |
Brand Name | Sudi |
Model Number | 6.4mmto 50.8mm |
Certification | ROHS , SGS , CPST |
Place of Origin | China |
View Detail Information
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Product Specification
Payment Terms | T/T, L/C, D/P, Western Union, MoneyGram | Supply Ability | 500,000 pieces per month |
Delivery Time | 1-15 days | Packaging Details | Export carton |
Product Name | Colored Metal Spiral Binding Coils | Binding Thickness | 23.6mm |
Finish | Encapsulation | Color | black, white, red,yellow,green,blue,purple,gold,bronze, silver |
Dimension | 3.4mmto42.8mm | use | Calendar, notebook, various books |
Length | custom made | Hole Distance | 4/1 3/1 2/1 5/1 |
Wire diameter | Standard (customizable) | Binding way | by Single loop forming spiral&binding machine |
inventory | 1000pcs | Number of turns | Can be cut into any number of teeth |
material | Nylon covered wire | Brand Name | Sudi |
Model Number | 6.4mmto 50.8mm | Certification | ROHS , SGS , CPST |
Place of Origin | China | ||
High Light | 23.6mm Metal Coil Binding ,42.8mm Metal Coil Binding ,Calendars Metal Spiral Binding Coils |
12 Size Colorful Metal Spiral Binding Coils for Hardcover Books, Notebooks, Calendars
Spiral Coil Binding Supplies
These spiral coils are used in conjunction with your binding system to create high-quality, durable documents. These spines allow your material to lay flat or fold back to back, perfect for taking notes and turning pages quickly. With more than 60 colors and sizes to choose from, as well as the choice of wire diameters, we can also produce super large 60-100mm sizes, which are environmentally friendly, durable and beautiful.
How do I choose a spiral coil?
We are a factory, you can contact me at any time to customize the binding coil that suits you, we provide a variety of binding coil sizes, if you are not sure about your size, not sure about the spacing? Here are the steps on how to choose the binding coil you need to buy.
Inside Diameter | Wire Diameter (mm) | Max Thickness (mm) | Pitch |
1/4'' (6.4mm) | 1.27 | 3.4 | 6 |
5/16'' (7.9mm) | 1.27 | 4.9 | 6 |
3/8'' (9.5mm) | 1.57 | 6.5 | 6 |
7/16'' (11.1mm) | 1.57 | 8.1 | 6 |
1/2'' (12.7mm) | 1.78 | 9.7 | 6 |
9/16'' (14.3mm) | 1.78 | 11.3 | 6 or 8 |
5/8'' (15.9mm) | 1.78 | 12.9 | 6 or 8 |
3/4'' (19.1mm) | 1.91 | 15.1 | 6 or 8 |
7/8'' (22.2mm) | 2.29 | 18.2 | 6 or 8 |
1'' (25.4mm) | 2.29 | 20.4 | 6 or 8 |
1-1/8'' (28.6mm) | 2.29 | 23.6 | 6 or 8 |
1-1/4'' (31.8mm) | 2.29 | 25.8 | 6 or 8 |
1-3/8'' (34.9mm) | 2.79 | 29.2 | 6 or 8 |
1-1/2'' (38.1mm) | 2.79 | 32.1 | 6 or 8 |
1-3/4'' (44.5mm) | 2.79 | 38 | 6 or 8 |
2'' (50.8mm) | 2.79 | 42.8 | 6 or 8 |
Now choose your coil size (diameter) for your document. You can use the coil bind capacity chart below to help choose the best size based on your stack thickness or your sheet capacity. Just note that the sheet capacity was calculated using sheets (not pages) that were all 20 lb. bond copy paper, without any covers; this means it can vary significantly depending on the stock you are using, which is why we recommend the stack thickness method instead. And remember: having a coil that is slightly too large is better than having a coil that is too small; a small coil won't allow pages to flip smoothly and can pinch them, tear more easily. So if you are between sizes, we recommend you size-up.
If you want an alternative solution to choose the best size, you can utilize this general rule of thumb:
2) Select the coil spacing ?
Spacing refers to the number of holes per inch or the spacing of holes. It's reflected in a ratio that includes the number of holes, a punctuation colon, and then an inch measurement. For example: 4:1. This ratio is read aloud/pronounced "four to one" and means 4 holes per 1 inch of length.
For example, in the United States, the standard pitch for helical coils is 4:1.
The 4:1 pitch bundled coil spine is by far the most popular, with approximately 98% of customers ordering the 4:1 pitch screw binder. 5:1 is a special pitch made primarily for print shops that have specialized equipment for punching patterns and users who may have machines made in other countries where 5:1 pitch is more common. Some more specialized machines will have other coil hole patterns such as 3:1, 2.5:1 or even 2.231mm. Before buying a screw binder, you'll want to check the compatibility of your screw binder, but keep in mind that most machines are 4:1.
We also have a large selection of special order colors that can be used to make your spines. Below are some of the most popular more unique colors.
Our company advantages:
1. We are the largest wire manufacturer in Dongguan area.
2. We have our own 10 sets of nylon coating machines, which can save the cost of raw materials because we produce nylon coating lines by ourselves.
3. We have ISO 9001 certificate, all products have passed SGS test. Our customers from all over the world are impressed with our products.
Our Contact Information:
WhatsApp: 86-13925814801
WeChat: 13925814801
E:luo@sudidg.com
Company Details
Business Type:
Manufacturer
Year Established:
2015
Total Annual:
3,000,000-5,000,000
Employee Number:
100~300
Ecer Certification:
Verified Supplier
Factory exterior: HongKong Sudi Stationery Limited, established on 20 13, is a professional manufacturer of nylon double-coated wires, PVC plastic spirals, metal single spirals, calendar hangers, binding machines, punching machines and various spiral forming machines. ... Factory exterior: HongKong Sudi Stationery Limited, established on 20 13, is a professional manufacturer of nylon double-coated wires, PVC plastic spirals, metal single spirals, calendar hangers, binding machines, punching machines and various spiral forming machines. ...
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