8 1/2in Water Well Drilling Diamond PDC Bit Polycrystalline diamond compact (PDC) bits deliver premium performance and durability for a wide range of standard drilling applications. These matrix- and steel-bodied bits incorporate the latest cutter technology, computational fluid ...
17.5in IADC 537 TCI Rock Drill Bit for water well drilling MAIN STRUCTURE FEATURES 1. Metal face seal journal bearing .New processes of head bearing hardfacing and cone bearing silver plating are used to improve the load capacity, anti-galling ability and stability of the ...