
GBP 57 Groove machining – cutting materials and chip formers Grades and cutter geometries. GARANT offers many options suitable for all materials and machining scenarios. ISO Grade ISO Grade P HB9035 HB7010 P M HB9140 HB7020 K HB9215 K HB7215 HU9310 HB7130 N N PCD PCD H CBN925 H CBN925 Parting off Plunging Chip breaker GP GG GPA Chip breaker GP GG GPA – Type Carbide Carbide Carbide Type Carbide Carbide Carbide CBN P● 1st choice P● 1st choice M● 1st choice M● 1st choice K● 1st choice K● 1st choice N● 1st choice N● 1st choice S○ S○ H● 1st choice Groove turning/copying 27 Chip breaker GMF GMM GC – GMP GCP Type Carbide Carbide Carbide CBN PCD PCD P● 1st choice M● 1st choice K● 1st choice N● 1st choice H● 1st choice 881