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PCBN cutting insert Sumitomo Electric CarbideGrade Hardness (Hv) T.R.S. (kg/mm2) Applications
BN100 400-4500 80 Turning of gray cast iron and exotic materials BNX10 2800-3200 80-90 High speed continuous cutting of hardened steels BN250 3200-3500 100-110 Continuous to moderately interrupted cutting of hardened steels and cast irons BNX20 3200-3400 95-110 High speed continuous cutting of hardened steels (HrC 45-68) BNX25 3000-3200 100-110 High speed continuous cutting of hardened steels (HrC 45-68) |






