Gem Bids For 621 Fine Boring Unit Sal Code: L148c-31-0602 Or Equivalent Ball Nose Cutter Dia 30Mm Ins Type Insert And Spares Chamfering Cutter Dia 10Mm Z1 Cylindrical Shank Insert Tungsten Carbide Spmt060304 Grade: P25-P45 & K25-K45 Should Cover Application Range