EDM Supplies and Consumables for Aerospace, Medical, Power Generation, Nuclear, Rocket Engine, Jet Engine, Turbine & Machine Shops. EDM Tubes, Electrical discharge machining small hole drilling supplier. Rods, single-hole and multi-channel tube electrodes in brass, copper, tungsten-carbide, copper-tungsten, silver-tungsten, and molybdenum. Copper-tungsten foil also available. Electrode guides available with conventional ceramic and silicon nitride guiding surfaces. Guides and electrodes are fully customizable. Synthetic and petroleum-based dielectric fluid available. Keyed, keyless, and collet chucks available. Holepop EDM Supplies & Electrodes puts customer satisfaction first and is dedicated to quality and continual process improvement.