1,ccemented carbide precise instruments 2.Grade: K10,K20,K40,P20, ... .short deliver Grade, performance and application of ccemented carbide precise instrumentsGradeEquivalent to ISODensity (g/cm3)HRAT.R.S (Mpa ... wear resistance, high anti-bending strength, used for lead cutter in electrical line. G20 14.0 ≥85.5 ≥2600Conventional ... used for steel alloy etc. customize ccemented carbide precise instruments