• undefined
  • undefined
  • undefined

12 1/4"(311.1mm)537G TCI Roller Cone Bits with Chisel Tungsten Carbide Inserts

12 1/4"(311.1mm)537G TCI Roller Cone Bits with Chisel Tungsten Carbide Inserts


water well triocne bit roller cone bit rotary drill bit 12 1/4 inch TCI tricone rock bit for oil and gas water well drilling




API License Photo
Diameter  12 1/4"(311.1mm)
Bearing Type  Elastomer sealed bearing
Tooth Type  TCI(Tungsten Carbide Inserts)
Circulation Type  Mud fluid
Thread Connection  6 5/8 reg pin
Gauge Protection  Available
Shirttail Protection  Available
Operating Parameters
RPM(r/min) 120-50
WOB(KN) 140-311
Formations Medium formations,such as medium shale,limestone, medium sandstone,medium formation with harder and abrasive interbeds,etc.

12 1/4 inches tricone bit is widely used in drilling projects, oil&gas well drilling, geothermal well drilling, water well drilling, and trenchless drilling,. IADC537G is suitable for drilling medium hardness rocks, like limestone, shale, sandstone, etc. 

Drillers use it as integral tri-cone bits, or split it into 3 segment(thirds, 1/3) to weld it on trenchless hole opener, foundation rock piling core barrel. 

In water and geothermal well drilling fields, elastomer sealed bearing is recommended to achieve high cost-performance. Premium O-ring sealing, pressure compensation system and specific grease can greatly increase the reliability of bearing.

12 1/4" IADC537G is a popular size and hot selling model tricone bits in the world.  

Inquiry Now

Complete the form to get more information soon

Welcome to know our products

Get more product service information


No.319-324, F1, Shoulashou Int'l. Autoparts Center,Shijing Road,Hejian City, Hebei Province, China


Copyright © 2022 HeBei Solidkey Petroleum Machinery Co., Ltd.