
6 3/4" FA537G , TCI Tricone Bit , Sealed Journal Bearing , IADC 537
PRODUCT SPECIFICATIONGS
Bit Size: 6 3/4inch ( 171.5mm)
IADC: 537
SERIES: FA
Tooth type: (TCI)Tungsten Carbide Insert
Connection 3 1/2 inch API REG PIN
Nozzle Three jet(side) nozzles,
Bit Weight: 20kgs
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 | 180~80 | 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.
IADC Digital Coding Regulation
1st digit = Cutting type
1~3: Milled tooth
4~8: TCI
2nd digit = Drilling formation
1~4 : Soft ~ very hard
3rd digit = Bearing type
1: open roller bearing / non sealed roller bearing
2: air cooled roller bearing / non sealed air cooled roller bearing
3: non sealed roller bearing with gauge protection
4: sealed roller bearing
5: sealed roller bearing with gauge protection
6: sealed journal bearing
7: sealed journal bearing with gauge protection
FLRT Bit
Hejian City Feilong Retop Rock Bit Manufacture Co., Ltd. is established in 1992 and located in Hebei Province, China. Integrated with Beijing Feilong International Trade Co., Ltd. and Beijing Superior Drilling Equipment Co., Ltd. , the company has involved into a comprehensive enterprise integrating production, R&D and distribution of tricone bits, PDC bits, trenchless and rotary drilling tools.
The company serves the customers in oil & gas drilling, mining, exploration, HDD drilling and rotary drilling with covering a complete product line.
The company covers an area of 36,000 square meter and has more than 200 employees, including more than 100 technicians. The company has equipped with contemporary advanced processing equipment of processing and detecting and testing instruments. The company has obtained the certification of the quality system: ISO 9001, ISO 14001, OHSAS 18001 and mostly important API 7-1.
The company’s annual production of various drilling tools is over 10,000 sets, which exported to over 20 countries and regions. We, FeiLong ReTop ( FLRT ) are willing to cooperate with friends at home and abroad to make joint development and contribute to global energy development and urban infrastructure development.