1.Standard thread electrodes;
2.Precision is accurate,use easely;
3.With center holes, best choice of blind hole discharge.

Red copper  electrodes with good quality;competitive price;high difinition;professional knowledge;

Standard electrode with high difinition and good quality.

Unstandard hard alloy electrode could be made according to your request.

It is best for blind drilled discharged electricity;

We have professional knowledge and competitive price.