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Binding Coils

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Plastic binding coils for coil-bound documents, 21-loop A4 from 6mm up to 50mm in black, blue and colours, sized to your page count. See the machines in our binding machines range and covers in binding covers.

Match the diameter to the page count: 6mm for up to about 60 sheets, 10mm for about 85, 16mm for about 135, 25mm for about 220, and up to 50mm for several hundred pages. Choose a coil slightly larger than the stack so pages turn freely.
They are 21-loop A4 pitch, the standard for coil binding machines that punch the round-hole pattern. Make sure your machine is a coil binder, not a comb binder, which uses a different punch and plastic comb.
Coil binding threads a continuous plastic spiral through round holes for a durable finish that lets pages turn a full 360 degrees. Comb binding snaps a plastic comb through rectangular slots and can be reopened to add pages. Coils are more permanent; combs are editable.
Yes, black is the standard, with blue and other colours for coding documents or matching a brand. Smaller sizes come in packs of 100 and larger sizes in packs of 50.

Coil size by page count

Plastic binding coils are the spiral that threads through a coil-punched document, and the only real decision is the diameter for your page count. A 6 to 10mm coil suits a thin report up to around 85 sheets, 12 to 20mm covers the everyday 95 to 165-sheet document, and 25 to 50mm handles thick manuals up to several hundred pages.

All are 21-loop A4 pitch in black, blue and colours, in packs of 100 for the smaller sizes and 50 for the large. Pick a coil a little larger than the stack so pages turn freely.

Plastic Binding Coil 10mm Black x 100 PUPC10BK
Plastic Binding Coil, 21 Loop, 10mm Black x 100
$10.39 inc. GST or as low as $9.25
QTY inc. GST
1-4 $10.39
5-9 $9.88
10-19 $9.56
20+ $9.25
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC10BK
Plastic Binding Coil 8mm Black x 100 PUPC08BK
Plastic Binding Coil, 21 Loop, 8mm Black x 100
$9.19 inc. GST or as low as $8.18
QTY inc. GST
1-4 $9.19
5-9 $8.74
10-19 $8.46
20+ $8.18
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC08BK
Plastic Binding Coil 12mm Black x 100 PUPC12BK
Plastic Binding Coil, 21 Loop, 12mm Black x 100
$14.99 inc. GST or as low as $13.35
QTY inc. GST
1-4 $14.99
5-9 $14.25
10-19 $13.80
20+ $13.35
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC12BK
Plastic Binding Coil 16mm Black x 100 PUPC16BK
Plastic Binding Coil, 21 Loop, 16mm Black x 100
$21.99 inc. GST or as low as $19.58
QTY inc. GST
1-4 $21.99
5-9 $20.90
10-19 $20.24
20+ $19.58
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC16BK
Plastic Binding Coil 6mm Black x 100 PUPC06BK
Plastic Binding Coil, 21 Loop, 6mm Black x 100
$8.19 inc. GST or as low as $7.29
QTY inc. GST
1-4 $8.19
5-9 $7.79
10-19 $7.54
20+ $7.29
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC06BK
Plastic Binding Coil 25mm Black x 50 PUPC25BK
Plastic Binding Coil, 21 Loop, 25mm Black x 50
$22.59 inc. GST or as low as $20.11
QTY inc. GST
1-4 $22.59
5-9 $21.47
10-19 $20.79
20+ $20.11
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC25BK
Plastic Binding Coil 50mm Black x 50 PUPC50BK
Plastic Binding Coil, 21 Loop, 50mm Black x 50
$33.79 inc. GST or as low as $30.08
QTY inc. GST
1-4 $33.79
5-9 $32.11
10-19 $31.09
20+ $30.08
FREE Delivery. Dispatch as early as tomorrow from Auckland.
Sku: PUPC50BK
Plastic Binding Coil 14mm Black x 100 PUPC14BK
Plastic Binding Coil, 21 Loop, 14mm Black x 100
$18.49 inc. GST or as low as $16.46
QTY inc. GST
1-4 $18.49
5-9 $17.57
10-19 $17.02
20+ $16.46
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC14BK
Plastic Binding Coil 32mm Black x 50 PUPC32BK
Plastic Binding Coil, 21 Loop, 32mm Black x 50
$26.79 inc. GST or as low as $23.85
QTY inc. GST
1-4 $26.79
5-9 $25.46
10-19 $24.65
20+ $23.85
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC32BK
Plastic Binding Coil 12mm Blue x 100 PUPC12BLU
Plastic Binding Coil, 21 Loop, 12mm Blue x 100
$14.99 inc. GST or as low as $13.35
QTY inc. GST
1-4 $14.99
5-9 $14.25
10-19 $13.80
20+ $13.35
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC12BLU
Plastic Binding Coil 38mm Black x 50 PUPC38BK
Plastic Binding Coil, 21 Loop, 38mm Black x 50
$25.79 inc. GST or as low as $22.96
QTY inc. GST
1-4 $25.79
5-9 $24.51
10-19 $23.73
20+ $22.96
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC38BK
Plastic Binding Coil 20mm Black x 100 PUPC20BK
Plastic Binding Coil, 21 Loop, 20mm Black x 100
$32.89 inc. GST or as low as $29.28
QTY inc. GST
1-4 $32.89
5-9 $31.25
10-19 $30.26
20+ $29.28
FREE Delivery. Dispatch as early as tomorrow from Auckland.
Sku: PUPC20BK
Plastic Binding Coil 22mm Black x 50 PUPC22BK
Plastic Binding Coil, 21 Loop, 22mm Black x 50
$16.49 inc. GST or as low as $14.68
QTY inc. GST
1-4 $16.49
5-9 $15.67
10-19 $15.18
20+ $14.68
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC22BK
Plastic Binding Coil 8mm Blue x 100 PUPC08BLU
Plastic Binding Coil, 21 Loop, 8mm Blue x 100
$9.19 inc. GST or as low as $8.18
QTY inc. GST
1-4 $9.19
5-9 $8.74
10-19 $8.46
20+ $8.18
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC08BLU
Plastic Binding Coil, 21 Loop, 44mm Black x 50 PUPC44BK
Plastic Binding Coil, 21 Loop, 44mm Black x 50
$30.89 inc. GST or as low as $27.50
QTY inc. GST
1-4 $30.89
5-9 $29.35
10-19 $28.42
20+ $27.50
FREE Delivery. Dispatch as early as tomorrow from Auckland.
Sku: PUPC44BK
Plastic Binding Coil 28mm Black x 50 PUPC28BK
Plastic Binding Coil, 21 Loop, 28mm Black x 50
$22.99 inc. GST or as low as $20.47
QTY inc. GST
1-4 $22.99
5-9 $21.85
10-19 $21.16
20+ $20.47
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC28BK
Plastic Binding Coil, 21 Loop, 8mm White x 100 PUPC08WH
Plastic Binding Coil, 21 Loop, 8mm White x 100
$9.19 inc. GST or as low as $8.18
QTY inc. GST
1-4 $9.19
5-9 $8.74
10-19 $8.46
20+ $8.18
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC08WH
Wire Binding Coil 34 Rings 6.4mm Silver x 100's pack PUWC64-34SIL
Wire Binding Coil 34 Rings 6.4mm Silver x 100's pack
$21.99 inc. GST or as low as $19.58
QTY inc. GST
1-4 $21.99
5-9 $20.90
10-19 $20.24
20+ $19.58
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUWC64-34SIL
Plastic Binding Coil 10mm White x 100 PUPC10WH
Plastic Binding Coil, 21 Loop, 10mm White x 100
$10.39 inc. GST or as low as $9.25
QTY inc. GST
1-4 $10.39
5-9 $9.88
10-19 $9.56
20+ $9.25
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC10WH
Plastic Binding Coil 8mm Clear x 100 PUPC08CLR
Plastic Binding Coil, 21 Loop, 8mm Clear x 100
$9.19 inc. GST or as low as $8.18
QTY inc. GST
1-4 $9.19
5-9 $8.74
10-19 $8.46
20+ $8.18
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC08CLR
Wire Binding Coil 34 Rings 9.5mm Black x 100's pack PUWC95-34BK
Wire Binding Coil 34 Rings 9.5mm Black x 100's pack
$28.99 inc. GST or as low as $25.81
QTY inc. GST
1-4 $28.99
5-9 $27.55
10-19 $26.68
20+ $25.81
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUWC95-34BK
Plastic Binding Coil 12mm White x 100 PUPC12WH
Plastic Binding Coil, 21 Loop, 12mm White x 100
$14.99 inc. GST or as low as $13.35
QTY inc. GST
1-4 $14.99
5-9 $14.25
10-19 $13.80
20+ $13.35
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUPC12WH
Wire Binding Coil 34 Rings 14mm Black x 50's pack PUWC14-34BK
Wire Binding Coil 34 Rings 14mm Black x 50's pack
$23.99 inc. GST or as low as $21.36
QTY inc. GST
1-4 $23.99
5-9 $22.80
10-19 $22.08
20+ $21.36
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUWC14-34BK
Wire Binding Coil 34 Rings 7.9mm Black x 100's pack PUWC80-34BK
Wire Binding Coil 34 Rings 7.9mm Black x 100's pack
$24.49 inc. GST or as low as $21.80
QTY inc. GST
1-4 $24.49
5-9 $23.27
10-19 $22.54
20+ $21.80
FREE Delivery over $30. Dispatch as early as tomorrow from Auckland.
Sku: PUWC80-34BK
showing 1 to 24 of 99 products

Sizing a coil to the page count

A binding coil is the plastic spiral that threads through a coil-punched document. The whole decision is the diameter, which is set by how many pages you are binding. As a guide: 6mm holds up to around 60 sheets, 10mm around 85, 16mm around 135, 25mm around 220, and the largest 50mm coil takes a thick manual of several hundred pages. Pick a coil a little larger than the stack so the pages turn freely rather than binding tight.

21-loop A4 pitch

All the coils here are 21-loop A4 pitch, the standard hole pattern for coil binding machines, so they fit any A4 coil binder. They are not interchangeable with comb binding, which uses a different punch and a plastic comb.

Colours and pack sizes

Black is the everyday standard, with blue and other colours for colour-coding documents or matching a brand. Smaller diameters come a hundred to a pack and the larger sizes fifty to a pack. See the coil and comb machines in our binding machines range, and covers to finish the document in binding covers. Free delivery on orders over $30.

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