1.Bit size:3 3/4" 95.3MM
2.material:Tungsten Carbide
3.size range 95.3mm to 155.6mm
4.drilling formation:medium to hard
Port: Tianjin
Minimum Order Quantity: 1 Piece/Pieces tricone bits
Supply Ability: 5000 Piece/Pieces per Month tricone bits
Payment Terms: L/C,T/T,Western Union
Contact Supplier
Packaging Detail: carton ,steel box, wooden box or as your requirments
Delivery Detail: within 10 days after your payments
The main parameter of single cone bit
Bit size | Std API pin shank (inch) | Nozzle aperture diameter(mm) | |
| mm | inch | ||
| 95.25-104.78 | 3 3/4-4 1/8 | 2 3/8 REG | 8-14 |
| 107.95-117.48 | 4 1/4-4 5/8 | 2 3/8REG 2 7/8REG | |
| 120.65 | 4 3/4 | 2 3/8REG 2 7/8 REG | |
| 142.88 | 5 5/8-6 1/2 | 3 1/2 REG | |
| 190.5 | 7 1/2 | 4 1/2 REG | |
Drilling weight and rotary speed size of single-cone bits
| Rock formation | Bit type | Rotary speed(r/min) | Drilling weight(kN/mm) | 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, Western Union |
| MOQ | 1 Piece |
| Delivery time | within 7 days |
| Packing | carton, wooden box , steel box or as your requirements |
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