info@rankosi-eg.com
Bonnell Springs
Bonnell springs are coiled spiral springs. It can be produced in different diameters. Bonnell springs can be made of 4 or 5 or 6 turns. the mattress is relevant to the height and number of Bonnell spring turns. We recommend using appropriate height and number to ensure sleeping comfort.
![](http://rankosi-eg.com/wp-content/uploads/2021/12/spring_ph1.gif)
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A. Springs Diameters: 70mm, 80mm, 84mm, 86mm, 88mm, 90mm, 92mm or 95mm
B. Spring Height: 4 turns (rounds) 80 to 105 mm. 5 turns (rounds) 115-140mm, 5 turns (rounds) 115-140mm and 6 turns (rounds) 130-160mm.
C. Wire Diameters: 1.3mm or 2mm or 2.2mm or 2.3mm or 2.4mm
Our produced wires are in conformity with DIN-17223 standards. Its diameter ranges from 1.3mm to 5.5mm. Our wires tensile strength varies (according to diameter) from 1500mps to 2000mps.
![](http://rankosi-eg.com/wp-content/uploads/2021/12/T01.png)
The 2.2mm springs provide a softer surface to sleep on in addition to lighter weight. The detailed dimensions and specification of springs produced from 2.2mm wire are: |
![](http://rankosi-eg.com/wp-content/uploads/2021/12/T02-e1653311366114.png)
As for the 2.4mm springs, it provides a rigid surface according to customers’ needs. Its weight is also heavier. |
![](http://rankosi-eg.com/wp-content/uploads/2021/12/T03-e1653311330983.png)
Rankousi Steel Company
Rankousi Steel Company
Rankousi Steel Company also practice and recommend proper spring packing measures preserving the springs physical properties and ensuring save transportation.