FLRT Bit
| Supply Ability | 300pcs per quarter |
| Delivery Time | 5~45 workdays |
| Packaging Details | plywood box / iron box |
| Bearing Type | Sealed Friction Bearing With Gauge Protection |
| Cutting Material | Tungsten Carbide Insert |
| Standard | API-7-1, ISO 9001:2008 |
| Series | FA |
| IADC | 517 |
| TR Bit | Tricone Rock Bit |
| Drilling Type | Rotary Drilling |
| Brand Name | FLRT |
| Model Number | 12 1/4" FA517G |
| Certification | API-7-1, ISO 9001:2008 |
| Place of Origin | China |
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Product Specification
| Supply Ability | 300pcs per quarter | Delivery Time | 5~45 workdays |
| Packaging Details | plywood box / iron box | Bearing Type | Sealed Friction Bearing With Gauge Protection |
| Cutting Material | Tungsten Carbide Insert | Standard | API-7-1, ISO 9001:2008 |
| Series | FA | IADC | 517 |
| TR Bit | Tricone Rock Bit | Drilling Type | Rotary Drilling |
| Brand Name | FLRT | Model Number | 12 1/4" FA517G |
| Certification | API-7-1, ISO 9001:2008 | Place of Origin | China |
| High Light | FA Series Rotary Drill Bit ，Sealed Friction Bearing Rotary Drill Bit ，Gauge Protection Rotary Drill Bit | ||
12 1/4" Tricone Rock Bit, TCI Bit , Rotary Drilling Bit , Friction Bearing Bit
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
| Types & IADC Code | 417 |
437 447 |
517 527 |
517 527 |
537 547 |
617 627 |
637
|
|
| WOB | KN/mm(Bit Dia.) | 0.4~0.9 | 0.4~0.9 | 0.35~1.0 | 0.35~1.0 | 0.5~1.0 | 0.6~1.1 | 0.7~1.2 |
| Lb/in. (Bit Dia.) | 2285~5142 | 2285~5142 | 2000~5714 | 2000~5714 | 2857~5714 | 3428~6285 | 4000~6857 | |
| Rotation Speed (Rpm) | 140~60 | 240~70 | 125~50 | ~60 | 110~50 | 100~40 | 80~4 | |
Bearing seals
- Roller-cone bearing seals operate in an exceptionally harsh environment. Drilling mud and most cuttings are extremely abrasive. Drilling fluids often contain chemicals, and operating temperatures can be sufficiently high to break down the elastomers from which seals are made. Pressure pulses often occur in downhole drilling fluids that apply lateral loading on seals that must be resisted.
- On a purely practical level, bearing seals have two functions: to prevent foreign materials, such as mud, cuttings, chemicals, and water, from entering the bearings and to prevent bearing lubricant from escaping the bit.
- Visualize the difference in the nature of these two duties. On the interior side, the seal is excluding clean, functional lubricant from escaping the bit, while on the exterior side, the seal is excluding dirt and chemicals from penetrating the bit. The separation of these two extremely different functions takes place at a small point between the two sides of a seal. If either of these functions breaks down, the bearings and the bit could be destined for failure.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
1992
Total Annual:
10000000-13000000
Employee Number:
150~200
Ecer Certification：
Site Member
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... 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...
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