The main parameter of single cone bit
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Bit size
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Std API pin shank (inch)
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Nozzle aperture diameter(mm)
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|
|
mm
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inch
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||
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95.25-104.78
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3 3/4-4 1/8
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2 3/8 REG
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8-14
|
|
107.95-117.48
|
4 1/4-4 5/8
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2 3/8REG 2 7/8REG
|
|
|
120.65
|
4 3/4
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2 3/8REG 2 7/8 REG
|
|
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142.88
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5 5/8-6 1/2
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3 1/2 REG
|
|
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190.5
|
7 1/2
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4 1/2 REG
|
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Drilling weight and rotary speed size of single-cone bits
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Rock formation
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Bit type
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Rotary speed(r/min)
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Drilling weight(kN/mm)
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Pumping weight(Mpa)
|
|
Soft formations with low compressive strength and high drillability
|
437-447
|
70-40
|
0.25-0.5
|
<10
|
|
Soft to medium formations with low compressive
strength
|
517-617
|
60-40
|
Detailed Description Of This Product
| Size | 3 3/4" 95.3mm |
| Pin shank size | 2 3/8Reg |
| Bit type | YA437 |
| IADC Code | 437 |
| types of bearing | jounmal beanngs |
| types of sealing | rubber rings |
| Application formation |
Low compressive strength, high drillability of extremely
soft formation, such as soft mudstone ,salinastone,Loose
sandstone,soft limestone and etc.
|
| Main characteristics of bit(cutting structure) |
The cone with wedge tooth of Height increase , the bit
body with small diameter wedge shaped tooth and Crew cut teeth to strengthen the gauge
protection .
|
| Normal WOB KN/mm (bit dia.) | 0.26~0.74 |
| Rotary speed (rpm) | 180~60 |
| Payment terms | L/C, T/T |
| MOQ | 1 Piece |
| Delivery time | within 6 days |
| Packing | carton, wooden box , steel box or as your requirements |
Contact Person:Candy Tang
1. Do you want to learn more about our products?
2. Do you wanna know how to ship the bits to your country.
3. How to get product information and offers
PLs feel free to contact Miss Tang (send email,add msn or give me a call.)
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