... /high-impact-resistant application grooving turning inserts grooving cutter cutter grain Super-hard processing of professional, special, non-standard, special ... :HRF 10 (For super high wear-resistant):Ultra micro-grain quality carbide is ultra high wear resistant, but less ... Conforming to ISO K10~K25/P10~P25.PR40:super micro-grain diamond tungsten steel, extensively applied, it can be applied ...