Please see our guide below which gives a good indication of the binding margin you need to leave when considering wire-o binding. The binding margin is the minimum distance from the trimmed edge of the sheet to the start of any print that is not to be affected by the punching of the holes
|
Wire Size
|
Max. Bulk Of Book
|
Distance from trim to edge of hole (approx)
|
Suggested Binding Margin
|
|
1/4"
|
3.5mm
|
7mm
|
10mm
|
|
5/16"
|
5mm
|
7mm
|
10mm
|
|
3/8"
|
6.5mm
|
7.5mm
|
11mm
|
|
7/16"
|
8mm
|
7.5mm
|
11mm
|
|
1/2"
|
9.5mm
|
8mm
|
12mm
|
|
9/16"
|
11mm
|
9mm
|
12mm
|
|
5/8"
|
12.5mm
|
10mm
|
13mm
|
|
3/4"
|
16mm
|
11mm
|
14mm
|
|
7/8"
|
19mm
|
11mm
|
14mm
|
|
1"
|
23mm
|
12mm
|
15mm
|
|
1+ 1/4"
|
28mm
|
12mm
|
15mm
|
