| Type: | Roller Cone Drill Bit |
|---|---|
| Application: | for Core Barrel in Foundation |
| Condition: | New |
| Transport Package: | Seaworthy Packing |
| Specification: | 8.5 inch 133mm diameter |
| Origin: | China |
| Samples: |
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| Customization: |
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Audited Supplier Developed in year 2013, this square arm roller cone bits is almost the first square arm roller cone bits famous in foundation rock piling field in China and the world, it is still in hot selling from year 2013 by its high cost-performance, so we name it "Classical Roller Cone Bits-Generation 1" in piling field.
The first batch for testing in Shenzhen China at year 2013 reached 65 meters depth in drilling 120MPa hardness rocks, high drilling speed and perfect performance makes it popular in China and South-East Asia rapidly and copied by many factories.
One set of classical roller cone bits has Cone 1, Cone 2, Cone 3, they have same shapes, length of Tungsten Carbide inserts(teeth) with bit-thirds (1/3) of Tri-cone bits, the 3 cones works together could get higher penetrating rate and faster drilling down speed to save cost. Type C133-537 Type C133-637 Type C133-637(full covered)
Bearing Structure
| Raw Material | |
| Cone | 20CrNiMo |
| Arm | 20CrNiMo |
| Tooth | Tungsten Carbide Insert |
| Tooth Type | |
| Tooth Qty. & Quantity | Cone1 43pcs/13mm |
| Cone2 45pcs/13mm | |
| Cone3 41pcs/13mm | |
| Tooth Height | Total Height 17mm |
| inside height 10.5mm | |
| outside height 6.5mm | |
| Bearing and Lubrication | |
| Tungsten Carbide Enhanced on Bearing | |
| Grease Lubrication & Bearing Seal | O-ring Seal. Inject grease not vacuum machine |
8.5 inch iadc 637 single roller cone cutter drill bit for core barrel
1. Journal sealed bearing with TCI protection on heel of cones
2. Cone1,2,3 speed up rock breaking rate
3. Shirttail hard enhanced by Tungsten Carbide
4. C133-537 adopts 14mm chisel TCI, C133-637 adopts 13mm conical-ball TCI
5. C133 series roller cones has very high cost-effectiveness, it is regular model in rotary drilling field
Q: Are you trading company or manufacturer ?
A: Yanggu Ruilister Engineering Machinery Co., Ltd. is a high-tech company integrating R&D, production and trade.
Q: Do you accept sample order?
A: Of course, please contact us for details.
Q: Can you do OEM?
A: Yes, we can.
Q: How do you control the products quality?
A: Each product will be inspected in strict procedure before delivery.
Q: How about your after-sales service?
A: We can offer technology support to slove all problems. If quality problem, goods can be return or replaceable.
Q: What is your delivery time?
A: 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.
Q: What is your payment terms?
A: Usually 30% deposit in advance by TT, the balance paid against delivery; Western Union, Paypal, L/C at sight is also ok
Give us your model/quantity, and your other requirement.
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Audited Supplier 
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