| After-sales Service: | If There Is a Problem, Send New Drill Bits Free of |
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| Warranty: | 3 Year |
| Certification: | CE, RoHS, ISO 9001:2000, ISO 9001:2008 |
| Standard: | AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN |
| Surface Treatment: | Spray-Paint |
| Manufacturing Process: | Forging |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier 3 Wings 6 1/2 Inch Diamond Head 165MM PDC Drill Bit for Well Drilling
| Specifications | Inch | Model of PDC | Thread |
| 98mm | 3 7/8" | 13mm | API 2 3/8 REG |
| 114mm | 4 1/2" | 13mm/16mm/19mm | API 2 3/8 REG 2 7/8REG |
| 140mm | 5 1/2" | 13mm/16mm/19mm | API 2 3/8 REG 2 7/8REG |
| 152mm | 6" | 13mm/16mm/19mm | API 2 3/8 REG 2 7/8REG 3 1/2 REG |
| 178mm | 7" | 13mm/16mm/19mm | API 2 3/8 REG 2 7/8REG 3 1/2 REG |
| 216mm | 8 1/2" | 13mm/16mm/19mm | 2 7/8REG 3 1/2 REG 4 1/2 REG |
| 305mm | 12" | 13mm/16mm/19mm | 2 7/8REG 3 1/2 REG 4 1/2 REG |
Our company has been engaged in drilling tool production since 1990 and is one of the earliest drilling tool manufacturers in China.
1. Adopt advanced heat treatment technology, product quality is stable, suitable for all kinds of rock.
2. After many tests, the product life is at the top level in China.
3. The product has excellent stability, and the adverse after-sale feedback of the product is less than 0.5%.
4. The suitable bit head design enables our bit to drill more efficiently and wear better.
5. Increase processing of the back of bit's head can better protect the DTH Hammer, thus , thus reducing the grinding of the front joint of the impactor and prolonging the life of the DTH Hammer.
6. Adopt round guage button and parabolic front button design, increase drilling efficiency, and at the same time can make the guage button more hard to break, better stability.
The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 15-30 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time
c. Free replacement will provide once the failure confirmed caused by our product quality
Company information
Certificate
Suppliers with verified business licenses
Audited Supplier 
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