8-1/2" (216mm) 5-blade PDC DRAG BIT WITH 3-1/2" API REG PIN

5"(127mm)  3-blade  PDC BIT WITH 2-3/8" API REG PIN

135MM  3-BLADE PDC BIT WITH 2-3/8" API REG PIN

5-7/8"(149MM) 3-BLADE PDC BIT WITH 3-1/2" API REG PIN

ALL STEEL BODY, FULL FLUSH HOLE,  suitable  for HDD Horizontal Directional Drilling, Oil and Gas, Geo-thermal, Waterwell, Construction and Mining.