SDMP company is able to produce wide rang die mould spring for injection plastic mould and automobile industry and all industrial machinery.We also can customize special spring.

Outer Diameter(MM): 10,12.5,16,20,25,32,40,50,63

Length(MM): 25,32 ,38,44,51,64,76,89,102,115,127,135,150,250,305

Series:ISO10243: 1S-green ,2S-blue,3S-red,4S-yellow

Material: 50CrVa, 50CrSi, 65Mn,SUP -12,SUP-10

Working life: 1500000( green-30%, blue-30%, red-25%, yellow-20% )

NO MOQ, free samples for test