diameter:2.6--4.2mm material:high carbon steel wire height:50mm & 45mm length: according requirement

High Carbon Steel Zigzag Spring for Sofa

usually our sofa spring distance is  20mm  

height :50mm & 45 mm

length:according to client's requirement

please see below as your reference

size        weight        pieces/mt   quantity/20ft

8x21"     0.150g          6666             22mt

8x23"     0.165            6060             22

8x22"     0.157            6369             22

9x23"     0.145            6869             21

11x17"   0.075            13333           20

11x19"   0.084            11904           20

12x17"   0.065            15384          18 

12x19"   0.075            13333          18

8x28"     0.196             5102           24

8x28.5"  0.201             4975           24

8x30"     0.209             4784           24

8x30.5"  0.215             4651           24

9x25"     0.160             6250           23

9x26"     0.165             6060           23

9x28"     0.178             5617           23

 

High Carbon Steel Zigzag Spring for Sofa