| Product Type | Bonnell Spring |
| Material | Carbon Steel |
| Style | Coil |
| Color | Grey |
| Spring Count Per m2 | Wire Diameter (mm) | Head Diameter (mm) | Height (mm) | Turns | Helical Wire Diameter |
| Min-Max | Min-Max | Min-Max | Min-Max | Min-Max | Min-Max |
| 110-340 | 2.0-2.4 | 70-90 | 110-180 | 4-6 | 1.3-1.6 |
Made of excellent high carbon steel wire.
It is a continuous piece of wire that is twisted and coiled to create a massive set of joined crude springs.
All spring wires are heat treated, which can ensure the spring coil is tensile strengthened and durable.
Can be used in both mattress beds and upholstery sofas.
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