this kind of die can be used with engraving die (etching die) to complete the punch at one time with high precision. the tolerance of the products can be controlled within +/-0.05mm. the wasted material in the inner hole can be discharged automatically. this kind of die can be used with long life.
Description::
this kind of die can be used with engraving die (etching die) to complete the punch at one time with high precision. the tolerance of the products can be controlled within +/-0.05mm. the wasted material in the inner hole can be discharged automatically. this kind of die can be used with long life.