Coated iron double 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 1-1/2" , accurate pitch of 2:1" and 3:1".

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

● Pre-cutting service for free.

● Boxes packing or spoole packing for your selection.

● Large inventory, fast delivery.

● Widely used in various kinds of book binding and calendar 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 1-1/2" , accurate pitch of 2:1" and 3:1".

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

● Pre-cutting service for free.

● Boxes packing or spoole packing for your selection.

● Large inventory, fast delivery.

● Widely used in various kinds of book binding and calendar 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 1-1/2" , accurate pitch of 2:1" and 3:1".

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

● Pre-cutting service for free.

● Boxes packing or spoole packing for your selection.

● Large inventory, fast delivery.

● Widely used in various kinds of book binding and calendar binding.

Specifications:

Double Wire Size	Pitch	Thickness (mm)	Recommended Max.Approx Number f Sheet(80g)
1/4"(6.4mm)	3:1	(4.8mm)	45
5/16"(7.9mm)		(6.4mm)	60
3/8"(9.5mm)		(7.9mm)	75
7/16"(11.1mm)		(9.5mm)	85
1/2"(12.7mm)		(11.1mm)	100
9/16"(14.3mm)		(12.7mm)	120
5/8"(15.9mm)		(14.3mm)	135
5/8"(15.9mm)	2:1	(14.3mm)	135
3/4"(19.1mm)		(17.5mm)	165
7/8"(22.2mm)		(20.6mm)	180
1"(25.4mm		(23.8mm)	200
1-1/8"(28.6mm)		(26.5mm)	220
1-1/4"(31.8mm)		(30.0mm)	240
1-1/2"(38.1mm)		(36.0mm)	280
1-3/4"(44.5mm)		(40.0mm)	340