9 7/8″ SHV117GT


Size: 9 7/8″ (250.83 mm)
IADC: 117
Bearing and Seal: Journal Bearing / Composite seal
No. of Rows: 3-3-2
Inner Row: Wedge mill teeth / 25 pcs
Gauge Row: Wedge mill teeth / 37 pcs
Trimming Row: Wedge / 28 pcs
Bevel Row: Flat / 29 pcs
Pin Connection: 6 5/8 REG
Bit Weight (KG): 62.0
Weight on Bit (KN/mm): 0.35 ~ 0.90
ROP (rpm): 80 ~ 150



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– Applied with new tooth bits design, with hard facing on the tooth surface and bevel of the cones. Attached carbide inserts on the bevel of cones as well to protect the diameter.
– Adopting a new type of Journal bearing structure greatly prolongs the working life of the bearing, and has the ability to withstand medium bit pressure and adapt to higher speed.
– Adopting a new type of flat sealed bearing structure, which increases the stability of the sealed structure, and adopts a vacuum oiling system to prolong the working life of the bearing.
– A new type of sealing structure is adopted to match the sealing performance with the bearing, thus greatly improving the service life of the drill bit.
– T feature, there is a trimming row between the gauge row and bevel row to protect the cones and trim the well wall.