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  • 商品名称: 12 1/4” FJ537G TCI Tricone Bit
  • Model Number: FJ537G
  • Series: FJ
  • Cutting Material: TCI
  • Bearing Type: Double metal sealed journal bearing
  • Body Type:
  • Application: Well drilling, Mining, Exploration, HDD, Trenchless
  • Certification / Standard: API 7-1,ISO 9001:2008

12 1/4” FJ537G TCI Tricone Bit

 

PRODUCT SPECIFICATIONGS
Bit Size: 12 1/4inch(311.2mm)
IADC: 5 3 7
SERIES: FJ
Tooth type: (TCI)Tungsten Carbide Insert
Connection 6 5/8inch API REG PIN
Nozzle Three jet(side) nozzles,
Bit Weight: 100kgs

 

RECOMMENDED ROCK FORMATIONS
Adapted to be used in medium soft with harder, more abrasive streaks(hard shale, mudstone, soft limestone, sands etc)

 

SIZE AVAILABLE

Form 7 7/8inch to 17 1/2inch
 

RECOMMENDED DRILLING PARAMETERS FOR APPLICATION

 Types & IADC Code

 117

 127

 437

 447

 517

 527

 537

 547

 617

 627

 637
 WOB  KN/mm(Bit Dia.)  0.35~0.8  0.35~0.9  0.35~0.9  0.35~1.0  0.45~0.95  0.45~1.1  0.5~1.1
 Lb/in. (Bit Dia.)  2000~4271  2000~5142  2000~5142  2000~5714  2571~5714  2571~6285  2857~6285
 Rotation Speed (Rpm)  240~80  240~70  240~70  220~60  220~50  200~50  180~40

 

The above chart represents commonly available sizes and types, we do produce other sizes and types of rock bits which do not appear on this list. Please contact us for more information.