We specialize in EDM sinker materials and electrodes made to print. 

Poco Graphite

Tri-Gemini is a master distributor for POCO graphite, Toyo Tanso graphite and Commonwealth dielectric fluids. We stock a complete line of supplies for EDM sinker machines - electrode materials - including graphite, tellurium copper, copper tungsten, tungsten carbide and tungsten wires.  

We have a full machine shop set up to machine EDM electrodes, including grinding, turning and milling capabilities.  Our newest machine has the latest technology for high speed milling graphite and includes in-machine inspection. 

Poco GraphiteToyo TansoCommonwealth Oil