GUHRING - Каталог Метчики - 2011 EN

 THE REQUIRED
                                                                                                                   DEFORMATIONLEVELOFTHETHREADSHOULDBEDETERMINDEDBY
           &LUTELESS TAPS ARE USED FOR THE FORMING OF INTERNAL THREADS                                   PERFORMINGATEST
           WITHOUT CHIP REMOVAL )N CONTRAST TO CONVENTIONAL TAPPING                                       
           WHERE MATERIAL IS CUT FROM THE WORKPIECE