ROSCHEN GROUP
| Supply Ability | 1000000 pcs |
| Packaging Details | wooden box |
| Brand Name | ROSCHEN |
| Model Number | 2 3/8", 3 1/2" |
| Certification | ISO |
| Place of Origin | CHINA |
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Product Specification
| Supply Ability | 1000000 pcs | Packaging Details | wooden box |
| Brand Name | ROSCHEN | Model Number | 2 3/8", 3 1/2" |
| Certification | ISO | Place of Origin | CHINA |
| High Light | 2 15/16" Tricone Roller Bits ，Petroleum Tricone Roller Bits ，2 15/16" rock roller bits | ||
2 15/16" Tri-cone roller bits for Australia NMLC Core barrel water welling drilling
Tricone Roller bit
The roller cone bit is the most widely used drilling bit. When the roller cone bit is working, the cutting teeth alternately contact the bottom of the well, the rock breaking torque is small, the contact area between the cutting teeth and the bottom of the well is small, the specific pressure is high, and it is easy to eat into the formation; the total length of the working edge is large, so the wear is relatively reduced. Cone bits can adapt to a variety of formations from soft to hard.
Tricone Bit Sizes
When ordering a bit, the IADC bit classification system is a very useful tool and allows TDS to specify a bit that out performs your expectations. The IADC Code describes indicates whether the bit is steel tooth or button, what formations the bit is meant for, and the bearing type. These codes help you describe what type of tricone you are looking for. If you are not sure, give us a call and we will find the perfect tricine bit for your application
The TCI Tricone Bit ranges in size from 3.875" (88.9mm) to 28" (711.2mm). The Mill Tooth Tricone Bit ranges in size from 5" (127mm to 32" (812.8mm)
Bits Thread Connections and Sizes:
. Bit size 3 5/8" – 4 7/8” | Thread 2 3/8 API
. Bit size 5" – 5 5/8" | Thread 2 7/8 API
. Bit size 5 3/4" – 6 3/4" | Thread 3 1/2 API
. Bit size 7 7/8" – 8 3/4" | Thread 4 1/2 API
. Bit size 9 1/2" – 12 1/4" | Thread 6 5/8 API
. Bit size 9 1/2" – 12 1/4" | Thread 6 5/8 API
. Bit size 12 1/4" – 15" | Thread 7 7/8 API
| ITEM | Tricone Bits Specifications | API thread | |
| inch | 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 | 108.0 | 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 | 5-3/4 | 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 | 200.0 | 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 | 12-3/8 | 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 | 374.7 | 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 | 508.0 | 7-5/8 |
| 51 | 22 | 558.8 | 7-5/8 |
| 52 | 24 | 609.6 | 7-5/8 |
| 53 | 26 | 660.4 | 7-5/8 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
1921
Total Annual:
5000-2000000
Employee Number:
100~500
Ecer Certification：
Verified Supplier
ROSCHEN GROUP ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mine... ROSCHEN GROUP ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mine...
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