PCBN inserts Excellent anti-fracture, Good abrasion resistance ; Longer tool life; Greater cutting efficiency; PCBN inserts for Bearing: turning excircle and face FBS70001) Optimum the wear resistance and chipping resistance, used for high speed continous turning.2) Suit for rough machining and semi-finishing of high-hardness alloy cast iron, high nickel chromium, high chrome iron and other ...