Bonnell Spring

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Bonnell coils are the oldest and most common. First adapted from buggy seat springs of the 19th century, they are still prevalent in less expensive mattresses. Bonnell coils are hourglass-shaped, and the ends of the wire are knotted or wrapped around the top and bottom circular portion of the coil and self-tied. Our Bonnell spring produced by automatic spring coiling machine, spring coils with stable quality, profestional design provide different firmness; spring coils with heat treated high carbon wire gives good surport to your mattress! Bonnell spring specifications required as below: A- head-diameter; (60--90mm) B- height; (80--120mm) C- wire thickness; (1.4--2.4mm) D- turns; (4--7turns) E- mid-diameter; (30-80mm) ----------------------------- Bonnell spring spcecs range: wire standard: GB#70 wire thickness: 1.8mm--2.4mm; height: 8cm--18cm; head diameter: 60mm--90mm; middle diameter: 30mm--55mm; turns: 4--6turns Bonnell Spring has been presented above, want more similar products, please click mattress spring,Bonnell Spring,bed spring. Category: Bonnell Springs Related Category: Support Springs

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NORTHLAND FURNITURE INDUSTRIAL CO. LTD

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