| Packaging Details: | Plastic bag inside, outside wooden box, steel box, or as your requirements. |
|---|---|
| Delivery Detail: | within 7-15 work days |
We have a Export Department, which specialize in the export of various products made by ourselves including Drill bits, Drill Pipe, TCI tricone bits, PDC bits, PDC Diamond drill bits, roller rock bits, core bits, all size bits in oilfield, water well drilling, mineral and geological and so on. During the twenty years, we have built good business relationships with customers abroad, such as America, Japan, Korea, Germany and so on.

Specification:
| Dia. | 8 1/2 (215.9mm) |
| IADC | 617 |
| Bearing Type | rubber sealed slide bearing |
| WOB (kN/ mm) | 0.50~1.05 |
| RPM (r/ min) | 80~40 |
| Applicable Formations | medium to hard formations and higher abrasives formations with high compressive strength, such as, limestone, dolomite, sandstone, chert, etc. |
Packing:


Payment:
T/ T&L/ C are acceptable
Available products:

If you have any further questions, please feel free to contact us. I am always glad to be service to you.
