Active Member
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[China]
Address: Free trade area scientific & technological innovation base 3622, hangyi road, langfang airport economic zone, daxing airport district, China (hebei) pilot free trade zone.
Contact name:Ji
Langfang Ouhang Technology Co., Ltd. |
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| Tricone Bit Specification | |||||||||||||
| Conventional Inserted Teeth Tri-Cone Bits | |||||||||||||
| IADC Code | Size Available | Protodrakonov Scale of Hardness | Recommend WOB KN/mm | Recommend RPM | |||||||||
| 3-7/8" | 4-3/8" | 4-5/8" | 5-1/4" | 6" | 7-1/2" | 8-1/2" | 8-3/4" | 9-1/2" | 12-1/2" | ||||
| 98.4mm | 111.1mm | 117.5mm | 133.4mm | 152.4mm | 190.5mm | 215.9mm | 222.2mm | 241.3mm | 311.1mm | ||||
| 437 | √ | √ | f=5~7 | 0.35~0.9 | 60~150 | ||||||||
| 517 | √ | √ | √ | √ | f=6~8 | 0.4~0.95 | 60~150 | ||||||
| 537 | √ | √ | f=8~10 | 0.75~0.85 | 60~150 | ||||||||
| 637 | f=10~12 | 0.75~1.20 | 40~70 | ||||||||||
| 2-3/8REG | 2-7/8REG | 3-1/2REG | 4-1/2REG | 6-5/8REG | "√" means regularly available products; other types or sizes shall be custom made accordingly. | ||||||||
| Thread Connection Available | |||||||||||||
| Conventional Milled Teeth Tri-Cone Bits | |||||||||||||
| IADC Code | Size Available | Protodrakonov Scale of Hardness | Recommend WOB KN/mm | Recommend RPM | |||||||||
| 3-7/8" | 4-3/8" | 4-5/8" | 5-1/4" | 6" | 7-1/2" | 8-1/2" | 8-3/4" | 9-1/2" | 12-1/2" | ||||
| 98.4mm | 111.1mm | 117.5mm | 133.4mm | 152.4mm | 190.5mm | 215.9mm | 222.2mm | 241.3mm | 311.1mm | ||||
| 125 | f=1~3 | 0.3~0.7 | 80~200 | ||||||||||
| 131 | √ | √ | √ | √ | √ | f=1~3 | 0.3~0.7 | 80~200 | |||||
| 135 | √ | √ | √ | √ | √ | f=3~5 | 0.4~0.8 | 70~180 | |||||
| 145 | √ | √ | √ | √ | √ | f=4~6 | 0.75~0.85 | 60~160 | |||||
| 2-3/8REG | 2-7/8REG | 3-1/2REG | 4-1/2REG | 6-5/8REG | "√" means regularly available products; other types or sizes shall be custom made accordingly. | ||||||||
| Thread Connection Available | |||||||||||||
Factory View
