single inerts, TP Type

compare with brazed gundrills, indexable gundrils have good performance at chips removal, high feed rate, and easyto change inserts. but the indexable type gundrills have lower accurate, poor performance at cross holes, it alsorequire macnines witn more stabllty. normally indexable gundrls use on bind holes, tube sheet, shatt holes etc, nomoreaccuracvrequirementprocessing