TY JOUR TI RESEARCH PROFILE PRECISION HOLES, OBTAINED BY ELECTRICAL DISCHARGE MACHINING KW precision EDM KW taper holes of small diameter KW volumetric wear of the electrode-tool calibration run KW trimming tool-electrode EDM depth. JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Boyko, A.F. AU Kudenikov , E.. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov