concave springs 

1.Size:

          d(mm): φ1.3

          D(mm): φ31.5

          t(mm): 8.1

2.concave springs Material: SWC.

3.Finish:galvanizing.

4.Tolerence: d: +-0.2mm; length:0.7mm,

5.Valid range: 0.1-20.0mm.

6.concave springs All finish: galvanizing, nickle plating,chrome finish,natural.

7.Usage: switch,computer,washing machine, printer,copycat, digital camera,bicycle,automobile.

concave springs