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Sri Lanka 7 7/8”3 blades diamond PDC bit
Sri Lanka 12 1/4inch Hybrid drill bit
Sri Lanka 17 1/2inch Hybrid pdc drill bit
Sri Lanka 8 3/4inch pdc bit,steel body, 4 blades
Sri Lanka 190mm 5 blades steel body PDC bit
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Sri Lanka 8 1/2 inch 1606 steel body PDC bit
Sri Lanka 8 1/2 inch 1605 steel body PDC bit
Sri Lanka 6 3/4 inch steel body PDC bit
Sri Lanka 6 inch 1904 steel body PDC bit
Sri Lanka 7 1/2 inch 1606 matrix body PDC bit
Sri Lanka 8 1/2 inch 1605 matrix body PDC bit
