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| Place of Origin | China |
| Brand Name | ROSCHEN |
| Certification | ISO, API |
| Model Number | 8 1/2" |
Kymera Hybrid Drill Bits 8 1/2 Inch Bake Hughes Oil and Gas Drill Bits for Oil Drilling
Tricone roller cone drill bits maximize performance in a defined application. Our culture of continuous improvement—based on our R&D commitment to enhancing your drilling projects—achieves higher ROP with lower cost-per-foot.
We were the first company to introduce the two-cone drill bit, which was patented more than 100 years ago in 1909, launching the modern day oil and gas industry.
Twenty-four years later, we introduced the Tricone roller cone drill bit. This technology remains the industry standard with its numerous enhancements. Our product line also includes tungsten carbide insert (TCI) bits and steel tooth bits for the toughest drilling applications.
Call us or send us an e-mail to ask our experts how we can optimize your drilling program.
| Tricone Rolle Bits Product specifications: | |
| Model | Milled tooth bits tricone for water well,TCI bits tricone for water well |
| IADC Code | 116 117 126 127 136 137 216 217 226 316 317 326 327 336 337 115 125 135 215 225 235 315 325 335 114 124 214 314 111 121 131 346 347 |
| 417 427 437 517 527 537 617 627 637 737 837 832 415 425 435 445 525 625 635 416 427 436 446 447 516 526 537 547 516 536 535 | |
| Bearing Type | H--Friction bearing; G--Roller bearing; F--Floating Bearing |
| Sealing Type | HJ(metal sealed journal bearing) |
| HA (rubber sealed journal bearing) air cooled bearing type | |
| Size | From 2 7/8" to 26" larger sizes for hole opener bit ,reamer bit |
| Material | alloy steel, tungsten carbide insert |
| Extra Feature | 1) Y-Conical teeth 2) X-chisel teeth 3) K- wide teeth 4) G- Gague protection |
| Applicable Formation | Very soft, soft, medium soft, hard, medium hard, very hard formation |
| Application | Petroleum & gas, water well, mining and tectonic industries, oil field, construction, geothermal, directional boring, and underground foundation work. |
| NO. | TRICONE ROCK BIT SIZE | API THREAD REG.PIN | |
| in | mm | ||
| 1 | 3 3/4 | 95.3 | 2 3/8 |
| 2 | 3 7/8 | 98.4 | 2 3/8 |
| 3 | 4 1/8 | 104.8 | 2 3/8 |
| 4 | 4 1/4 | 108 | 2 3/8 |
| 5 | 4 1/2 | 114.3 | 2 3/8 |
| 6 | 4 5/8 | 117.5 | 2 7/8 |
| 7 | 4 3/4 | 120.7 | 2 7/8 |
| 8 | 4 7/8 | 123.8 | 2 7/8 |
| 9 | 5 1/2 | 139.7 | 3 1/2 |
| 10 | 5 5/8 | 142.9 | 3 1/2 |
| 11 | 5 2/3 | 143.9 | 3 1/2 |
| 12 | 4 3/4 | 146.1 | 3 1/2 |
| 13 | 5 7/8 | 149.2 | 3 1/2 |
| 14 | 6 | 152.4 | 3 1/2 |
| 15 | 6 1/8 | 155.6 | 3 1/2 |
| 16 | 6 1/4 | 158.8 | 3 1/2 |
| 17 | 6 1/2 | 165.1 | 3 1/2 |
| 18 | 6 5/8 | 168.3 | 3 1/2 |
| 19 | 6 3/4 | 171.5 | 3 1/2 |
| 20 | 7 1/2 | 190.5 | 4 1/2 |
| 21 | 7 5/8 | 193.7 | 4 1/2 |
| 22 | 7 7/8 | 200 | 4 1/2 |
| 23 | 8 3/8 | 212.7 | 4 1/2 |
| 24 | 8 1/2 | 215.9 | 4 1/2 |
| 25 | 8 5/8 | 219.1 | 4 1/2 |
| 26 | 8 3/4 | 222.3 | 4 1/2 |
| 27 | 9 1/2 | 241.3 | 6 5/8 |
| 28 | 9 5/8 | 244.5 | 6 5/8 |
| 29 | 9 7/8 | 250.8 | 6 5/8 |
| 30 | 10 1/2 | 266.7 | 6 5/8 |
| 31 | 10 5/8 | 269.9 | 6 5/8 |
| 32 | 11 | 279.4 | 6 5/8 |
| 33 | 11 5/8 | 295.3 | 6 5/8 |
| 34 | 12 | 304.8 | 6 5/8 |
| 35 | 12 1/4 | 311.2 | 6 5/8 |
| 36 | 12 5/16 | 312.7 | 6 5/8 |
| 37 | 13 3/8 | 314.3 | 6 5/8 |
| 38 | 12 7/16 | 315.9 | 6 5/8 |
| 39 | 12 5/8 | 320.7 | 6 5/8 |
| 40 | 13 1/8 | 333.4 | 6 5/8 |
| 41 | 13 1/2 | 342.9 | 6 5/8 |
| 42 | 13 5/8 | 346.1 | 6 5/8 |
| 43 | 13 3/4 | 349.3 | 6 5/8 |
| 44 | 14 1/2 | 368.3 | 7 5/8 |
| 45 | 14 3/4 | 374.7 | 7 5/8 |
| 46 | 15 1/2 | 393.7 | 7 5/8 |
| 47 | 16 | 406.4 | 7 5/8 |
| 48 | 17 1/2 | 444.5 | 7 5/8 |
| 49 | 18 7/8 | 479.4 | 7 5/8 |
| 50 | 20 | 508 | 7 5/8 |
| 51 | 22 | 558.8 | 7 5/8 |
| 52 | 24 | 609.6 | 7 5/8 |
| 53 | 26 | 660.4 | 7 5/8 |
| 54 | 28 | 711.2 | 7 5/8 |
| 55 | 30 | 762 | 7 5/8 |
For more information please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
http://www.roschen.cn ; http://www.roschendrill.com
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