... Solid CBN Inserts 1) high hardness 2) good wear resistance 3) little coefficient of friction 4) good adhesiveness resistanc Solid ... wear-resistance and shock-resistance.2.material : made of micro PCBN power.3.application: solid PCBN inserts are used for rough and ... iron, grey cast iron, brake disk, roller, high nickel-chromium, super finishing of Hardened Steel,Chilled Steel, Bearing Steel, Die Steel ...