2022 New Style Tricone Bit Price - API rock drill bit IADC537 5 1/2 ” (139.7 mm) for hard well – FAR EASTERN
2022 New Style Tricone Bit Price - API rock drill bit IADC537 5 1/2 ” (139.7 mm) for hard well – FAR EASTERN Detail:
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Product Description
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Wholesale API TCI sealed bearing roller bits in the stock from China factory is for drilling rig machinery.
Optimal test method for drilling parameters:
1. Drill for 5 minutes with initially selected proper WOB and moderate RPM and record the ROP (as shown in the table below).
2. Moderately increase WOB and keep the same RPM and drill under this WOB for 5 minutes and again record the ROP (as shown in the table below).
3. Decrease WOB b the same extent and tepeat step 2.
4. Find the WOB in the tow groups of test than can yield highest ROP.
5. Properly change RPM under optimal WOB and record the ROP (as shown in the table below).
6. Select the RPM at the highest ROP.
7. Set the drilling parameter at the best combination
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Product Specification
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Basical Specification |
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Size of Rock Bit |
5 1/2 inches |
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140mm |
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Bit Type |
TCI Tricone Bit |
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Thread Connection |
3 1/2 API REG PIN |
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IADC Code |
IADC 537G |
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Bearing Type |
Journal Sealed Bearing with Gauge Protection |
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Bearing Seal |
Elastomer or Rubber/ Metal |
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Heel Protection |
Available |
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Shirttail Protection |
Available |
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Circulation Type |
Mud Circulation |
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Drilling Condition |
Rotary drilling, high temp drilling, deep drilling, motor drilling |
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Nozzles |
Three Nozzles |
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Operating Parameters |
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WOB (Weight On Bit) |
14,156-31,458 lbs |
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63-140KN |
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RPM(r/min) |
50~120 |
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Formation |
Medium formation with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc. |
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Far Eastern are factory specializes in drill bits,such as tricone bits, PDC bits, HDD hole opener, Foundation roller cutters for different applications.
As a leading drill bits factory in China, increase the drill bit working life is our target. We always try to improve the bits with high penetration rates.Our purpose is to sell the high quality with the lowest price.



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Our mission is to become an innovative supplier of high-tech digital and communication devices by providing value added design, professional manufacturing, and service capabilities for 2022 New Style Tricone Bit Price - API rock drill bit IADC537 5 1/2 ” (139.7 mm) for hard well – FAR EASTERN , The product will supply to all over the world, such as: Mexico, Berlin, United States, As a way to make use of the resource on the expanding information and facts in international trade, we welcome prospects from everywhere on the web and offline. In spite in the high quality products and solutions we supply, effective and satisfying consultation service is supplied by our professional after-sale service group. Solution lists and thorough parameters and any other info weil be sent for you timely for the inquiries. So make sure you get in touch with us by sending us emails or contact us if you have any concerns about our firm. ou can also get our address info from our web site and come to our enterprise. or a field survey of our solutions. We're confident that we have been going to share mutual results and build solid co-operation relations with our companions in this market. We're looking forward to your inquiries.

The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.





