| Customization: | Available |
|---|---|
| After-sales Service: | Provided |
| Warranty: | 6 Months |
|
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|
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Model
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8 1/2'' IADC637
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8 1/2'' IADC637
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8 1/2'' IADC637
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Cone Size
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133mm
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133mm
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133mm
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Bearing Type
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Sealed Journal Bearing
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Sealed Journal Bearing
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Sealed Journal Bearing
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Inserts/Teeth Shape
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Conical-ball
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Conical-ball
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Conical-ball
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Inserts/Teeth |
49*14mm |
49*14mm |
Cone1 49*13mm Cone2 50*13mm Cone3 45*13mm |
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Cone Material
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15MnNi4Mo
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15MnNi4Mo
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15MnNi4Mo
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Arm Material
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20CrNiMo
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20CrNiMo
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15CrNiMo
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| Part No. | Description | Standard Pin Size (API REG) |
| 5 1/2",5 7/8", 6 1/2" | Roller Bit | 3 1/2" |
| 8 1/2" | Roller Bit | 4 1/2" |
| 12 1/4", 12 1/2" | Roller Bit | 6 5/8" |
| 17 1/2" | Roller Bit | 7 5/8" |
Features:
1: All covered with 14mm carbide cones.
2: Common holder locking with pins.
3: Rubber sealing O ring, Sliding bearing, with bearing lubricating oil tank.
4: Drilling pressure: 200-350KN.Package:
Factory Price Applicable To All Kinds Of Excavation High Quality Hard Rock Drilling Roller Bit
Certificates:
How to order the products?
An.: Send the inquiry with detail item description or with Model number. If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.
2. About lead time and shipping time?
Ans.:The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement. According the distance from china to your port.
3. What warranty do we provide?
Ans.: We provide 6 months warranty time.
4. What is the lead time?
Ans.: Usually the lead time is 7-10 days after receipt of your payment.
5.What payment terms do we accept?
Ans.: We accept T/T in advance or L/C at sight.
Xuzhou Hengxing Jinqiao Machinery Technology Co., Ltd covers an area of more than 50 acres and with factory area about 20000 square meter.
We are the professional construction machinery manufacture for kelly bar, drilling tools and pile driver with our own R&D and sales team.
We have passed the international Quality Certification of ISO9001:2008,our engineers are skilled in using AUTO-CAD,PRO-E and UG to design products, for the development of new products, they strictly implement the APQP&PPAP program. We provide customized services and all products meet the ISO9001 standard,also we have filed many patents.
Our main product kelly bar and drilling tools absorbs a number of advanced technology from home and abroad , with special advantages of high wear resistance and high torque, now we are the nominated supplier of kelly bar for rotary drilling rig manufactures from both home and abroad, such as SOILMEC, CMV, MAIT, IMT, ZOOMLION,CSR,CHTC JOVE,OSAINT etc.
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