Bit type | IADC Code | Applicable formation | Cutting structure | Normal WOB KN/mm(bit dia.) | Rotary Speed(rpm) |
THJ527G | 527 | Soft with low compressive strength and high drillability,such as shale,clay,sandstone and soft limestone,etc. | Large radius offset crested scoop compacts in inner row,wedge compacts in outer row,high compact exposure and inequable spaced compacts arrangement | 0.35~1.05 | 240~50 |
U can choose the bits size as follow or we can manufacture bits as you request
Tricone bit size | Thread sizes | NO. | Tricone bit size | Thread sizes | ||||
Inch | mm | inch | mm | |||||
1 | 3-3/4 | 95.3 | 2-3/8 | 28 | 9-5/8 | 244.5 | 6-5/8 | |
2 | 3-7/8 | 98.4 | 2-3/8 | 29 | 9-7/8 | 250.8 | 6-5/8 | |
3 | 4-1/8 | 104.8 | 2-3/8 | 30 | 10-1/2 | 266.7 | 6-5/8 | |
4 | 4-1/4 | 108.0 | 2-3/8 | 31 | 10-5/8 | 269.9 | 6-5/8 | |
5 | 4-1/2 | 114.3 | 2-3/8 | 32 | 11 | 279.4 | 6-5/8 | |
6 | 4-5/8 | 117.5 | 2-7/8 | 33 | 11-5/8 | 295.3 | 6-5/8 | |
7 | 4-3/4 | 120.7 | 2-7/8 | 34 | 12 | 304.8 | 6-5/8 | |
8 | 4-7/8 | 123.8 | 2-7/8 | 35 | 12-1/4 | 311.2 | 6-5/8 | |
9 | 5-1/2 | 139.7 | 3-1/2 | 36 | 12-5/16 | 312.7 | 6-5/8 | |
10 | 5-5/8 | 142.9 | 3-1/2 | 37 | 12-3/8 | 314.3 | 6-5/8 | |
11 | 5-2/3 | 143.9 | 3-1/2 | 38 | 12-7/16 | 315.9 | 6-5/8 | |
12 | 5-3/4 | 146.1 | 3-1/2 | 39 | 12-5/8 | 320.7 | 6-5/8 | |
13 | 5-7/8 | 149.2 | 3-1/2 | 40 | 13-1/8 | 333.4 | 6-5/8 | |
14 | 6 | 152.4 | 3-1/2 | 41 | 13-1/2 | 342.9 | 6-5/8 | |
15 | 6-1/8 | 155.6 | 3-1/2 | 42 | 13-5/8 | 346.1 | 6-5/8 | |
16 | 6-1/4 | 158.8 | 3-1/2 | 43 | 13-3/4 | 349.3 | 6-5/8 | |
17 | 6-1/2 | 165.1 | 3-1/2 | 44 | 14-1/2 | 374.7 | 7-5/8 | |
18 | 6-5/8 | 168.3 | 3-1/2 | 45 | 14-3/4 | 374.7 | 7/5/8 | |
19 | 6-3/4 | 171.5 | 3-1/2 | 46 | 15-1/2 | 393.7 | 7-5/8 | |
20 | 7-1/2 | 190.5 | 4-1/2 | 47 | 16 | 406.4 | 7-5/8 | |
21 | 7-5/8 | 193.7 | 4-1/2 | 48 | 17-1/2 | 444.5 | 7-5/8 | |
22 | 7-7/8 | 200.0 | 4-1/2 | 49 | 18-7/8 | 479.4 | 7-5/8 | |
23 | 8-3/8 | 212.7 | 4-1/2 | 50 | 20 | 508.0 | 7-5/8 | |
24 | 8-1/2 | 215.9 | 4-1/2 | 51 | 22 | 558.8 | 7-5/8 | |
25 | 8-5/8 | 219.1 | 4-1/2 | 52 | 24 | 609.6 | 7-5/8 | |
26 | 8-3/4 | 222.3 | 4-1/2 | 53 | 26 | 660.4 | 7-5/8 | |
27 | 9-1/2 | 241.3 | 6-5/8 | |||||
The photos of more bits
The details about the bits for water drilling
our tenet
Quality laid foremost,
Customer regarded supreme,
Developing between us,
Prosperity pursuing together.
If you are interested, we will be happy to send you any further information.Don't hesitate to c0ntact us and welcome to visit our factory. We are looking forward to adding you as our Cooperation partner.
