12 1/4''tricone drill bit
USD $100 - $1,000 /Piece
Min.Order:1 Piece
Shaanxi Senwell Import & Export Co., Ltd.
There are rich and diverse roller bits to meet different requirements of formations and rotary speeds. The sizes of the gage diameter and the types of bit are strictly designed in accordance with the standards API Spec.7.
There are not only rubber sealed bearing bits but also metal face sealed bearing bits, and all bits are lubricated by new type of wear resistant grease that can sustain high temperature up to 250°C.
The surfaces of main or key parts are hardfaced and treated with friction reducing technology. They can enhance gage protection and prolong the life of bit.
Center nozzle is equipped for bits of larger sizes.
Technical specifications and parameters for Roller Bit (Tricone Bit) | |||
Size | IADC Code | API Regular Pin (in) | |
in | mm | ||
3 7/8 | 98.43 | 126,617 |
|
4 1/4 | 107.9 | 131,321 | 2 3/8 |
4 5/8 | 117.5 | 121,241,527 | 2 7/8 |
4 3/4 | 120.6 | 241 | |
5 5/8 | 142.9 | 121,241,321,537 | 3 1/2 |
5 7/8 | 149.2 | 241,321,517,537,547,617,637 | |
6 | 152.4 | 211,216,246,437,517,527,537,547,617,637 | |
6 1/8 | 155.6 | 117,211,437,517 | |
6 1/4 | 158.7 | 121,241,321,517,527,537,547,637 | |
6 1/2 | 165.1 | 517 | |
6 3/4 | 171.4 | 121,241,321 | |
7 1/2 | 190.5 | 121,124,134,217,244,517,527,547,617 | 4 1/2 |
7 7/8 | 200 | 121,124,131,134,241,321,517,527,547,617 | |
8 3/8 | 212.7 | 215,217,517,527,537,547,617,637 | |
8 1/2 | 215.9 | 114,116,117,121,124,126,127,131,134,137,211,216,217 241,247,321,437,447,517,527,537,547,617,637,837 | |
8 3/4 | 222.2 | 127,417,437,447,517,537,617 | |
9 1/2 | 241.3 | 117,124,125,127,437,517,527,537,617,637 | 6 5/8 |
9 5/8 | 244.5 | 114,121,124,131,134,437,517,527 | |
9 7/8 | 250.8 | 115,121,211,241,321,512,542,612,732 | |
10 | 254 | 126 | |
10 5/8 | 269.9 | 127,217,417,517,527 | |
11 5/8 | 295.3 | 117,127,137,217,417,517,537,547 | |
12 | 304.8 | 124,126,216,517,537,547,617 | |
12 1/8 | 308 | 547 | |
12 1/4 | 311.1 | 114,115,116,117,121,124,126,131,134,137,211,214,244,437,517,527,537,547,617,637 | |
13 5/8 | 346.1 | 114,115,121,124,437,515,517 | |
13 3/4 | 349.2 | 114,115,437,517 | |
14 3/4 | 374.6 | 136,127,517,527 | 7 5/8 |
15 | 381 | 121,124,241,244 | |
15 1/2 | 393.7 | 125,215,217,517,537 | |
16 | 406.4 | 115,215,515,535,545 | |
17 1/2 | 444.5 | 435,515,437,517,527,537,547 | |
18 | 457.2 | 547 | |
18 1/2 | 469.9 | 547 | |
19 1/4 | 489 | 115,225 | |
20 | 508 | 125,215,515,525 | |
22 | 558.8 | 124 | |
24 | 609.6 | 124 | |
26 | 660.4 | 114,124,134,525 | |
36 | 914.4 | 124 |
Standard exporting package by Senwell or according to customers' request
Shipping: China main port (Tianjin & Shanghai for selection)
Our Services
1.Advanced equipment and techniques
2. Customized design
3.High quality products and the best services to meet the strict needs of our customers
4Our business philosophy of "people-oriented, customer first and reliability first"
5. Long-term cooperative relationships with more than a hundred famous and large manufacturers in China
6. Successfully exported to Europe, America, the Middle East, South Africa and Southeast Asia
7.Warranty
Please get back to my email address or call me:
You can provide us the following information.
1.Size,
2.Outer diameter,
3.IADC Code
4.Quantity
If you have any question,please feel free to contact me at any time!