... bits, drill pipe, Mud pump and stablizers for water well, oil field, construction, geothermal, directional boring, ... used(rebuilt) drill bits used for oil filed, water well. Including tricone bits, PDC bits and drill ... 3.Deris PDC bits/ PDC bits1) Be used for water well, oil field, underground, construction, geothermal, directional ... 3 wing bit60 75 94 113 1331-18Arc pillar 60 75 94 113 1334-18Many wing ...