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DO 9 7/8 inches steel body pdc bits with 19mm cutters and 5 blades for medium soft formations(9 7/8″ S1952 S223)
DO 12 1/4 inches steel body pdc bits with 16mm cutters and 5 blades for soft to medium hard formations(12 1/4″ S1655FG S423)
DO 12 1/4 inches steel body pdc bits with 16mm cutters and 5 blades for soft to medium hard formations(12 1/4″ S1655FG S323)
DO 12 1/4 inches steel body pdc bits with 16mm cutters and 5 blades for medium hard formations(12 1/4" S1655JA)
DO 12 1/4 inches steel body pdc bits with 16mm cutters and 6 blades for medium hard formations(12 1/4" S1665JA)
DO 12 1/4 inches steel body pdc bits with 16mm cutters and 6 blades for soft to medium hard formations(12 1/4″ S1665FG S423)