Coated iron single coil

Advantages:

● Made of top quality nylon-coated steel wire,outside nylon well proportioned, inner steel rigid.

● Full range of diameter from 1/4" to 2",accurate pitch (pitch can be special-ordered)

● Wide range of color choices,including gold,silver,bronze and variety of metallic colors

● Pre-cutting service for free

● Large inventory,fast delivery

● Widely used in various kinds of book binding

Advantages:

● Made of top quality nylon-coated steel wire,outside nylon well proportioned, inner steel rigid.

● Full range of diameter from 1/4" to 2",accurate pitch (pitch can be special-ordered)

● Wide range of color choices,including gold,silver,bronze and variety of metallic colors

● Pre-cutting service for free

● Large inventory,fast delivery

● Widely used in various kinds of book binding

Advantages:

● Made of top quality nylon-coated steel wire,outside nylon well proportioned, inner steel rigid.

● Full range of diameter from 1/4" to 2",accurate pitch (pitch can be special-ordered)

● Wide range of color choices,including gold,silver,bronze and variety of metallic colors

● Pre-cutting service for free

● Large inventory,fast delivery

● Widely used in various kinds of book binding

Specifications：

Spiral Inner 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