| Customization: | Available |
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| After-sales Service: | 4 Years |
| Warranty: | 4 Years |
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IADC
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WOB(KN/mm Bit Dia.)
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RPM(r/min)
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Applicable Formations
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435
515 |
0.20~0.70
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200~80
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Soft with very low compressive strength such as shale ,clay, sandstone ,soft limestone ,etc
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535
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0.35~0.80
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200~80
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Medium soft with low compressive strength and harder abrasive stringers ,such as hard shale ,hared gypsolyte, soft limestone,
sandstone and dolomite with stringer ,etc |
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417
437 |
0.35~0.90
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140~70
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Very soft with low compressive strength and high drillability, such as shale, clay, sandstone and conglomerate ,etc.
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517
527 |
0.35~1.05
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120~50
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Soft with low compressive strength, such as shale, clay, sandstone, soft limestone, salt bed and hard gypsolyte, etc
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537
547 |
0.35~1.05
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110~40
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Medium soft with low compressive strength and harder abrasive stringers, such as hard shale, hard gypsolyte, soft limestone,
sandstone and dolomite with stringers ,etc |
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617
627 |
0.35~1.05
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80~40
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Medium hard with high compressive strength and thick &hard stringers, such as hard shale, limestone, sandstone and dolomite, etc
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637
737 |
0.70~1.20
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70~40
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Medium hard with high compressive strength and high abrasiveness ,such as limestone ,dolomite, sandstone and chert ,etc
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Note: The upper limits of WOB and RPM in above table should not be used simultaneously
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| PDC Drill BIt |
MIlled tooth bit |
Hole Opener/ Rock Reamer bit |
| Tricone drill bit |
Milled tooth reamer bit |
Cone roller bit |
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1.What's your advantage?
A: Honest business with competitive price and professional service on export process.
2. How I believe you?
A : We consider honest as the life of our company, we can tell you the contact information of our some other clients for you to check our credit. Besides, there is trade assurance from Make in china, your order and money will be well guaranteed.
3.Can you give warranty of your products?
A: Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.
4.Where are you? Can I visit you?
A: Sure,welcome to you visit our factory at any time.
5.How about the delivery time?
A: Within 15-35 days after we confirm you requirement.
6.what kind of payment does your company support?
A: T/T, 100% L/C at sight, Cash, Western Union are all accepted if you have other payment,please contact me.
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