| Customization: | Available |
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| After-sales Service: | Select The Most Suitable Product |
| Warranty: | 6 Month |
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Suppliers with verified business licenses
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-IADC:
Vary from 114--637 applicable for the hole drilling in the upper section with good drill ability.
-Cutting material:
It can be divided into steel tooth (milling tooth) and tungsten carbide insert (TCI) tooth roller cone bit.
Steel tooth 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.
TCI series IADC CODE:
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.
-available sizes:
From 2 7/8 to26" larger sizes for hole opener bit ,reamer bit.
Regular size:
6 1/2''/7 7/8''/7 7/8''/9 7/8''/11 5/8''/12 1/4''
|
in
|
mm
|
in
|
KN.M
|
|
|
6
|
152.4
|
3 1/2
|
9.5-12.2
|
|
|
6 1/8
|
155.6
|
3 1/2
|
9.5-122
|
|
|
6 1/4
|
158.8
|
3 1/2
|
9.5-12.2
|
|
|
6 1/2
|
165.1
|
3 1/2
|
9.5-12.2
|
|
|
6 5/8
|
168.3
|
3 1/2
|
9.5-12.2
|
|
|
6 3/4
|
171.5
|
3 1/2
|
9.5-12.2
|
|
|
7 1/2
|
190.5
|
4 1/2
|
16.3-21.7
|
|
|
7 5/8
|
193.7
|
4 1/2
|
16.3-21.7
|
|
|
7 7/8
|
200.0
|
4 1/2
|
16.3-21.7
|
|
|
8 3/8
|
212.7
|
4 1/2
|
16.3-21.7
|
|
|
8 1/2
|
215.9
|
4 1/2
|
16.3-21.7
|
|
|
8 5/8
|
219.1.
|
4 1/2
|
16.3-21.7
|
|
|
8 3/4
|
222.3
|
4 1/2
|
16.3-21.7
|
|
|
9 1/2
|
241.3
|
6 5/8
|
38-43.4
|
|
|
9 5/8
|
244.5
|
6 5/8
|
38-43.4
|
|
|
9 7/8
|
250.8
|
6 5/8
|
38-43.4
|
|
|
10 1/2
|
266.7
|
6 5/8
|
38-43.4
|
|
|
10 5/8
|
269.9
|
6 5/8
|
38-43.4
|
|
|
11
|
279.4
|
6 5/8
|
38-43.4
|
|
|
11 5/8
|
295.3
|
6 5/8
|
38-43.4
|
|
|
12
|
304.8
|
6 5/8
|
38-43.4
|
|
|
12 1/4
|
311.2
|
6 5/8
|
38-43.4
|
|
|
12 5/16
|
312.7
|
6 5/8
|
38-43.4
|
|
|
12 3/8
|
314.3
|
6 5/8
|
38-43.4
|
|
|
12 7/16
|
315.9
|
6 5/8
|
38-43.4
|
|
|
12 5/8
|
320.7
|
6 5/8
|
38-43.4
|
|
|
13 1/8
|
333.4
|
6 5/8
|
38-43.4
|
|
|
13 1/2
|
342.9
|
6 5/8
|
38-43.4
|
|
|
13 5/8
|
346.1
|
6 5/8
|
38-43.4
|
|
|
13 3/4
|
349.3
|
6 5/8
|
38-43.4
|
|
We normally have stock, we can prepare shipment within 3 days after placing order.
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