Binding spiral

Detail Information

Binding material

Binding spiral

Nylon-coated single steel spiral wire

Coil Diameter		Recommended Maximum Book Thickness	Pitch
Inch	mm	mm	mm
1/4	6.4	3.4	6
5/16	7.9	4.9	6
3/8	9.5	6.5	6
7/16	11.1	8.1	6
1/2	12.7	9.7	6
9/16	14.3	11.3	6
5/8	15.9	12.9	6
3/4	19.1	15.1	6
7/8	22.2	18.2	6
1	25.4	20.4	6or8
1-1/4	31.8	25.8	6or8
1-1/2	38.1	32.1	6or8
2	50.8	42.8	6or8

Our standard pitch is 6mm,Spirals of other pitches are available on request