| |
|
Untitled Document
| WLS SEALED ROLLER BEARING DRILL BITS |
Steel Tooth Products |
| DIAMETER |
FORMATION TYPE |
PIN SIZE |
APPX. WT. |
|
| in |
mm |
IADC |
API |
lbs |
kg |
| 8 1/2 |
216 |
215 |
4 1/2 |
80 |
36.4 |
| 9 7/8 |
251 |
114 |
6 5/8 |
143 |
64.7 |
| 11 |
279 |
115 |
6 5/8 |
176 |
79.8 |
| 12 1/4 |
311 |
115, 124, 135 |
6 5/8 |
203 |
92.2 |
| 13 3/4 |
349 |
115 |
6 5/8 |
278 |
126 |
| 14 3/4 |
375 |
115 |
6 5/8 |
|
|
| 15 1/2 |
394 |
115, 215 |
6 5/8 |
343 |
155.7 |
| 17 1/2 |
445 |
115, 134, 215 |
6 5/8 |
590 |
267.5 |
|
|
|
|
|
|
Tungsten Carbide Insert Products |
| DIAMETER |
FORMATION TYPE |
PIN SIZE |
APPX. WT. |
|
| in |
mm |
IADC |
API |
lbs |
kg |
| 7 7/8 |
200 |
535, 625X |
4 1/2 |
74 |
33.7 |
| 8 1/2 |
216 |
625X |
4 1/2 |
91 |
41.4 |
| 9 7/8 |
251 |
545X |
6 5/8 |
140 |
63.4 |
| 10 5/8 |
270 |
545 |
6 5/8 |
|
|
| 11 5/8 |
295 |
545 |
6 5/8 |
|
|
| 12 1/4 |
311 |
415X,535X, 625X |
6 5/8 |
208 |
94.3 |
| 14 3/4 |
375 |
535X |
6 5/8 |
329 |
149.4 |
| 15 1/2 |
394 |
545X |
6 5/8 |
431 |
195.7 |
| 17 1/2 |
445 |
415, 535X, 625Y |
6 5/8 |
590 |
267.5 |
|
|
