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.
|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
|8x1.4 mm; 10x1.4 mm|
|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|