1 NEW SECO RNGN 83T-LF CBN CARBIDE INSERT. DB-4033. GRADE: CBN20 {S423}
RNGN 83T-LF. GRADE: CBN20. DB-4033 (RNGN 83T.005X15). Insert material: CBN – POLYCRYSTALLINE. alloys with hardnesses greater than 35 Rc and cast irons which produce a discontinuous chip.’. [S-LF = full top].