Binding Machines Wire Size Guide

Wire Size Guide

---

Sheets 80 gsm Paper	Metal Wire Coil Size	Pitch
30	6 mm – 1/4”	3:1 (34 Loop)
50	8 mm – 5/16”	3:1 (34 Loop)
60	9.5 mm – 3/8”	3:1 (34 Loop)
80	11 mm – 7/16”	3:1 (34 Loop)
100	12.7mm – 1/2”	3:1 (34 Loop)
120	14 mm – 9/16”	3:1 (34 Loop)
140	16 mm – 5/8”	2:1 (23 Loop)
160	19 mm – 3/4”	2:1 (23 Loop)
190	22 mm – 7/8”	2:1 (23 Loop)
220	25.4 mm – 1”	2:1 (23 Loop)
250	28.6 mm – 1 1/8”	2:1 (23 Loop)
280	31.8 mm – 1 1/4”	2:1 (23 Loop)