Hight Carbon Bonnell Spring Unit for Mattress

Model NO.: BT-S Material: Steel Usage: Furniture, Mattress Production Process: Hot Roll Transport Package: Wooden Case Origin: China Function: Buffer Extension Spring Material: High-carbon steel Diameter Coil Spring: Small coil spring Trademark: Bellot Specification: unit HS Code: 84522190 Bonnell spring unit specification
Raw material: high quality spring steel wire
Turn: 4-7turns
Wire diameter: 2.0-2.5mm
External diameter: 64-71mm or 80-90cm or according to customer's requirement.
Middle diameter: 32-40mm or 50-56cm or according to customer's requirement.
Height: 8.5cm-19cm
Compressed bonnell spring unit for mattress
Steel wire diameter:2.0-2.4mm
Spring ring number:4-6
Type: 89cm 1.2m 1.5m 1.8m 2.0m and so on.
Produce process: all springs are with heat treatment and anti-rust treatment.
Packing: coiled packing or compressed packing or as client's requirement
Load type: compression
Performance: High tensile good elasticity
With or without border

Model	Size(Width ×Length ×Height )Inch	Spring Numbers
Twin type	36.5 × 73.5× 6	9 × 24
Full type	51.5 × 73.5× 6	13× 24
Queen type	58.5 × 78.5× 6	15 × 26
King type	74.5 × 78.5× 6	18 × 26

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