%0 Journal Article %T SPECIAL TAP FOR CUTTING INTERNAL SMALL-SIZED THREADS %A Nikitina, I.P. %A Polyakov, A.N. %K thread-cutting tool, threading, tap, CAD system, CAE system %J Bulletin of Belgorod State Technological University named after. V. G. Shukhov %D 2019 %N 4 %P 8 %I Belgorod State Technological University named after V.G. Shukhov