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san marino 7 7/8”3 blades diamond PDC bit
san marino 12 1/4inch Hybrid drill bit
san marino 17 1/2inch Hybrid pdc drill bit
san marino 8 3/4inch pdc bit,steel body, 4 blades
san marino 190mm 5 blades steel body PDC bit
san marino PDC core bit
san marino 14 3/4 inch 1905 steel body PDC bit
san marino 13 1/2 inch 1905 steel body PDC bit
san marino 12 1/4 inch 1605 steel body PDC bit
san marino 9 1/2 inch 1606 steel body PDC bit
san marino 8 1/2 inch 1606 steel body PDC bit
san marino 8 1/2 inch 1605 steel body PDC bit
san marino 6 3/4 inch steel body PDC bit
san marino 6 inch 1904 steel body PDC bit
san marino 7 1/2 inch 1606 matrix body PDC bit
san marino 8 1/2 inch 1605 matrix body PDC bit
