FLRT Bit
| Supply Ability | 500pcs per quarter |
| Delivery Time | 5~45 workdays |
| Packaging Details | plywood box / iron box |
| Bearing Type | Sealed Roller |
| Cutting Material | Steel Tooth |
| Standard | API-7-1, ISO 9001:2008 |
| Series | FSG |
| MT Bit | Milled Tooth Bit / ST Bit |
| ST Bit | Steel Tooth Bit |
| Brand Name | FLRT |
| Model Number | 311.2mm FSA124 |
| Certification | API-7-1, ISO 9001:2008 |
| Place of Origin | China |
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Product Specification
| Supply Ability | 500pcs per quarter | Delivery Time | 5~45 workdays |
| Packaging Details | plywood box / iron box | Bearing Type | Sealed Roller |
| Cutting Material | Steel Tooth | Standard | API-7-1, ISO 9001:2008 |
| Series | FSG | MT Bit | Milled Tooth Bit / ST Bit |
| ST Bit | Steel Tooth Bit | Brand Name | FLRT |
| Model Number | 311.2mm FSA124 | Certification | API-7-1, ISO 9001:2008 |
| Place of Origin | China | ||
| High Light | mill tooth tricone bit ，steel tooth rotary bits | ||
311.2mm FSA124 , Rotary Drilling Bit , MT Bit , ST Bit , Tricone Bit , Sealed Roller Bearing
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
| Types & IADC Code |
114 115 |
124 125 |
134 135 |
214 215 |
244 245 |
324 325 |
|
| WOB | KN/mm(Bit Dia.) | 0.3~0.75 | 0.3~0.85 | 0.3~0.95 | 0.35~0.95 | 0.35~0.95 | 0.4~1.0 |
| Lb/in. (Bit Dia.) | 1712~4285 | 1715~4857 | 1715~5428 | 2000~5428 | 2000~5428 | 2285~5714 | |
| Rotation Speed (Rpm) | 200~80 | 200~80 | 180~80 | 180~80 | 180~60 | 150~60 | |
Design factors
- Bit design depend on formation properties and hole size
- Legs are same but cutters are different
- Three logs should be equally loaded
- The main design factors are Journal bearing, amount of offset,teeth, bearing and relationship between teeth and bearing
Roller-ball-friction (RBF)
- Friction type bearing at the nose
- The inner ball and outer roller as the same as RBR
- The friction consists of a special case-harden bushing pressed into the nose of the cone
- Introduced to overcome the shortcomings of RBR
- Allow thicker cone section
- Larger pin diameter
- Common for bit sizes up to 26"
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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