3:1 Pitch
Three holes per one inch

Ø in inches
3/16"
1/4"
5/16"
3/8"
7/16"
1/2"
9/16"
Ø in mm
5.5
6.9
8.0
9.5
11.0
12.7
14.3
Number of sheets
20# bond (80g/m²)

20

30

50

60

80

100

120

Click here for Ring Wire 3:1 Page

hj © 2006 RENZ AMERICA CO., INC