Standard Bonnell
Spring Units

Standard Bonnell Spring Units are most widely used spring interior for mattresses in the world.

RED Springs manufacures a wide variety of options. All Standard Bonnell Spring Units are heat-treated under controlled conditions for better resistance and durability. This ensures that each component part of the unit-helicals as well as springs are stress-relived and strengthened, thereby eliminating sag or set of springs.

Units can be supplied unframed fitted with a frame options, hardened and tempered flat steel strip.
Standard Bonnell Spring Units are also available in variety of specification use as box springs.

Advantage

Choose Standard Bonnell Spring units and you obtain:

  • A durable spring system
  • Best price/quality combination
  • The most widely used interior for mattresses
  • Scientifically proven healthy and ecological interior for your bed and upholstery products
Specification Product range Wire
Bonnell spring diameter Ø 82-94 mm 2.20 mm
Bonnell spring diameter Ø 83-94 mm 2.30 mm
Bonnell spring diameter Ø 83-94mm 2.40 mm
Bonnell spring height 4 turns 85-110 mm 2.20 mm / 2.30 mm
/ 2.40 mm
Bonnell spring height 5 turns 125-145 mm 2.20 mm
Bonnell spring height 5 turns 125-135 mm 2.30 mm / 2.40 mm
Bonnell spring unit
Frame specification		 8×1.4 mm; 10×1.4 mm  
Top; Top/Bottom;  
Available
without frame		  
Bonnell spring unit packaging R Roll packed
(5-10 units in a roll)		  
Helical wire Ø 1.30 mm  
Coils per m² 100-120  
Felt – optiona 500 gr² – 800 gr²  

RED Springs Quality by Established Standards

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