... good adhesiveness resistanc Solid PCBN Inserts1.perfomance :excellent wear-resistance and shock-resistance.2.material : made of micro PCBN power. ... 3.application: solid PCBN inserts are used for rough and fine machining cast iron, grey cast iron, brake ... Steel Gauge Steel, Tool Steel, High Steel, etc. continuous and interrupted turning HRC50-64,powder metallurgy work-piece,thermal spray ...