FLRT Bit
| Supply Ability | 300pcs per quarter |
| Delivery Time | 5~45 workdays |
| Packaging Details | plywood box / iron box |
| Bearing Type | Sealed Friction Bearing |
| name | tungsten carbide insert bit |
| Standard | API-7-1, ISO 9001:2008 |
| Series | FSA |
| IADC | 517 |
| G | Reinforced Gauge Protection |
| T | Trimming Cutter |
| Brand Name | FLRT |
| Model Number | 9 5/8" FSA517G |
| 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 |
| name | tungsten carbide insert bit | Standard | API-7-1, ISO 9001:2008 |
| Series | FSA | IADC | 517 |
| G | Reinforced Gauge Protection | T | Trimming Cutter |
| Brand Name | FLRT | Model Number | 9 5/8" FSA517G |
| Certification | API-7-1, ISO 9001:2008 | Place of Origin | China |
| High Light | milled tooth drill bit ，oilfield drill bits | ||
9 5/8" FSA517G, TCI Bit , Sealed Friction Bearing , Three Cone Roller Bit , Tricone Drill Bit
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
| Types & IADC Code | 417 |
437 447 |
517 527 |
537 547 |
617 627 |
637 | |
| WOB | KN/mm(Bit Dia.) | 0.4~0.9 | 0.4~0.9 | 0.35~1.0 | 0.5~1.0 | 0.6~1.1 | 0.7~1.2 |
| Lb/in. (Bit Dia.) | 2285~5142 | 2285~5142 | 2000~5714 | 2857~5714 | 3428~6285 | 4000~6857 | |
| Rotation Speed (Rpm) | 140~60 | 140~60 | 125~50 | 110~50 | 100~40 | 80~40 | |
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.
ROLLER CONE BIT CONE DESIGN
In some formations, it is advantageous to design the cones and their configuration so that they do not rotate evenly but that they slip during rotation. This Cone slippage, as it is called, allows a rock bit to drill using a scraping action, as well as the normal grinding or crushing action.
Cone slippage can be designed into the bit in two ways. Since cones have two profiles: the inner and the outer cone profile, a cone removed from the bit and placed on a horizontal surface can take up two positions . It may either roll about the heel cone or the nose cone. When the cone is mounted on a journal it is forced to rotate around the centre of the bit. This “unnatural” turning motion forces the inner cone to scrape and the outer cone to gouge. Gouging and scraping help to break up the rock in a soft formation but are not so effective in harder formations, where teeth wear is excessive.
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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