The 3 Flute Counterbores ideal for making counterbore holes (180° capscrew). The YG-1 EL950 series has 3 flutes and comes in a range of different screw sizes and diameters.
The tool is made of high-alloyed special steel XE“ for considerably longer service life than HSS-Steel. The Set has a Medium/Fine/Before Threading type.
The 180°, Indexable counterboring tool from Atorn is used for counterboring and boring. The tool uses standard CCMT/CCGT ISO indexable inserts.