14 3/4″ SGA615G

 

Specifications

Size: 14 3/4″ (374.65 mm)
IADC: 615
Bearing and Seal: Journal Bearing / O-Ring rubber seal
No. of Rows: 6-6-5
Inner Row: Conical / 200 pcs
Gauge Row: Ovoid / 77 pcs
Bevel Row: Flat / 77 pcs
Pin Connection: 7 5/8 REG
Bit Weight (KG): 154.0
Weight on Bit (KN/mm): 0.40 ~ 0.80
ROP (rpm): 80 ~ 160

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– High strength and wear resistance tungsten carbide, improve the strength and wear resistance of tooth.
– A new lip seal bearing structure to enhance the stability of seal structure.
– High temperature resistant hydrogenated buna-N sealing material is used to prolong the sealing life of bearings.
– The shirttail and head OD are protected by welding wear-resisting alloy and cemented carbide tooth.