Drill,Hole Drill,Water well Drilling Rig,Water Drilling Rig,Mining Drill Rig ,Down Hole Drill,Air Compressor,Component of drilling rig. Tri-cone bit for water well and oil drilling. Tri-cone bits,steel teeth bits,single cone bits, and PDC bits. Bits sizes range from 3 7/8" to 26".and cover almost all IADC codes. Carbide inserts on cone and the gauge make a good wear resistance largely extend the working life of bits. Be used in various of different fields, mining, hydrology, water well drilling and oil well drilling. For medium to hard formation. optimal bearing design, can be working stably in high WOB, and the qualtiy tungsten.
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