... ISO standard brazed tips,tips as per national trade standardA,B,C,D,E,G,K,A315,A320 stone cutterISO standard brazed ... ,03,04,05,06,07.08series)1000-7000type seriesA1 type for making external turning tools,boring tools and grooving toolsA2 type ... turning tool and wheel edge turning toolC1 type for making threading toolC2 type for making fine turning and trapezoid thread turning toolC3 ...