API Water Well TCI Tricone Drill Bit 7 7/8 Inch IADC 537
7 7/8 inch IADC 537 TCI tricone bit
1 Q: Are you manufacture?
A: Yes, we are and more than 20 years.
2 Q: Where are you located in?
A: We are located in Hejian City Cangzhou City Hebei China
3 Q:What are your main products?
A: Our mainly products are TCI tricone bit, steel tooth tricone bit, single cone bit, HDD hole opener, PDC bit and PDC drag bit.
4 Q: What's your MOQ?
A: Our MOQ 1 piece, but if you just want sample test quality we also can supply to you.
5 Q: How many days with your delivery?
A: We can delivery goods with 7 days if we have goods in stock, if need produce with your demand we will negotiation with you.
More question you want to know, contact us feel free without hesitation.No matter how far from us but communication without borders.
How to choose a model
| IADC | Rock formation | WOB (KN/mm) | PRM(r/min) |
| 417/427/437 | Low compressive strength, high drill-ability and extremely soft formation, like shale, clay, sandstone,etc. | 0.35~0.90 | 140~70 |
| 447 | Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, plaster etc. | 0.37~1.00 | 140~60 |
| 517 | Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, etc. | 0.37~1.05 | 120~50 |
| 527 | Soft formation with low compressive, like Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, anhydrite etc. | 0.35~1.05 | 120~50 |
| 537/547 | Low compressive strength, medium hard formation with hard abrasive interlayer, like Hard shale, anhydrite, soft limestone, sandstone, dolomite with mezzanine, etc. | 0.50~1.05 | 110~40 |
| 617/627 | High compressive strength, medium hard and thick hard interlayer, like hard shale, limestone, sandstone, dolomite, etc. | 0.50~1.05 | 80~40 |
| 637/737 | High compressive strength, medium hard and high abrasive formation, like limestone, dolomite, sandstone, chert, etc. | 0.7~1.20 | 70~40 |
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.