Product NameSTANDARDProduct NameSTANDARDProduct NameSTANDARD ToleranceG ClassToleranceG ClassToleranceG Class CBN & PCD TURNING INSERTS NEGATIVE INSERTS WITHOUT HOLE Breaker Rhombic 80° Rhombic 55° Square 90° Triangular 60° Round Type and Cross Section Flat Top SNG TNG B One-corner Type Single Sided ^ B042, B062 ^ B043 Flat Top CNG DNG SNG TNG RNG Multi-corner Type Double Sided ^ B041 ^ B041 ^ B042 ^ B043 ^ B042 5° POSITIVE INSERTS WITHOUT HOLE Breaker Triangular 60° Type and Cross Section Flat Top TBG Multi-corner Type ^ B057 11° POSITIVE INSERTS WITHOUT HOLE Breaker Square 90° Triangular 60° Type and Cross Section Flat Top SPG TPG One-corner Type ^ B056, B072 ^ B057, B072 B027