Wire diameter 2mm 50mm pitch 4:1 electroplated gold spiral bound
coil
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Electroplated spiral bound coils
As one of the most common forms of document binding, our
high-quality electroplated spiral binding coils are by far the most
popular binding supplies. Flexibility, strength, and affordability
make them the first choice for businesses and users of all types,
with bright, shimmering coatings, dazzling saturated colors, and
best suited for high-end textbook binding.
Since the birth of electroplating spiral, the best-selling colors
are gold, rose gold, electroplating black, champagne gold,
electroplating silver, etc. For coil binding with higher
requirements, most customers will choose 2.0MM wire diameter 4:1
pitch to make spiral binding coils.
Spiral binding coils are used in: binding of loose-leaf books,
photo albums, desk calendars, monthly calendars, notebooks, etc.
We provide a large number of spiral binding coil sizes for you to
choose from.
The length, pitch (hole spacing), and various colors of the coils
can be customized for you. The following table can be used as a
reference.
If you are not sure how to choose, please send us an email to
luo@sudidg.com. We will introduce you to the coil binding that
suits you.
| Size (Millimeter) | Size (Inches) | Stack Capacity (Inches) | Sheet Capacity* (20 lb. Bond) | Filament Diameter |
|---|
| 6mm | 1/4" | 5/32" Thick Stack | 5-35 Sheets | 1.6mm |
| 7mm | 9/32" | 3/16" Thick Stack | 36-47 Sheets | 1.6mm |
| 8mm | 5/16" | 1/4" Thick Stack | 48-60 Sheets | 1.6mm |
| 9mm | 23/64" | 9/32" Thick Stack | 61-70 Sheets | 1.75mm |
| 10mm | 3/8" | 5/16" Thick Stack | 71-80 Sheets | 1.75mm |
| 11mm | 7/16" | 3/8" Thick Stack | 81-90 Sheets | 1.75mm |
| 12mm | 1/2" | 13/32" Thick Stack | 91-100 Sheets | 1.75mm |
| 13mm | 17/32" | 7/16" Thick Stack | 101-110 Sheets | 2mm |
| 14mm | 9/16" | 15/32" Thick Stack | 111-120 Sheets | 2mm |
| 15mm | 19/32" | 1/2" Thick Stack | 121-130 Sheets | 2mm |
| 16mm | 5/8" | 9/16" Thick Stack | 131-140 Sheets | 2mm |
| 17mm | 0.67" | 0.55" Thick Stack | 141-150 Sheets | 2mm |
| 18mm | 23/32" | 5/8" Thick Stack | 151-160 Sheets | 2.08mm |
| 19mm | 0.748" | 0.62" Thick Stack | 161-165 Sheets | 2.08mm |
| 20mm | 3/4" | 11/16" Thick Stack | 161-170 Sheets | 2.08mm |
| 22mm | 7/8" | 3/4" Thick Stack | 181-200 Sheets | 2.08mm |
| 23mm | 9/10" | 4/5" Thick Stack | 201-210 Sheets | 2.08mm |
| 25mm | 1" | 13/16" Thick Stack | 211-230 Sheets | 2.36mm |
| 28mm | 1-1/8" | 7/8" Thick Stack | 231-250 Sheets | 2.36mm |
| 30mm | 1-3/16" | 1" Thick Book | 251-270 Sheets | 2.36mm |
| 32mm | 1-1/4" | 1-1/16" Thick Stack | 271-290 Sheets | 2.36mm |
| 35mm | 1-3/8" | 1-1/4" Thick Stack | 291-300 Sheets | 2.36mm |
| 38mm | 1-1/2" | 1-3/8" Thick Stack | 300-320 Sheets | 2.4mm |
| 40mm | 1-9/16" | 1-1/2" Thick Stack | 321-350 Sheets | 2.4mm |
| 45mm | 1-3/4" | 1-9/16" Thick Stack | 351-390 Sheets | 2.4mm |
| 50mm | 2" | 1 -3/4" Thick Stack | 391-440 Sheets | 2.6mm |
What color can be plated?
Generally speaking, any color can be electroplated, because the
color after electroplating will be much brighter than the color of
other materials, but some originally dark colors are not
recommended for electroplating, because the brightness of these
colors is not very obvious after electroplating, and the color of
electroplating is the most The ones are golden rose gold, rainbow
gold silver and other bright colors.
