| After-sales Service: | Available |
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| Warranty: | 1year |
| Manufacturing Process: | CNC Milling |
| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier 12-1/4"Strong rock-breaking oil drill bits
Our oil bit adopts double-row composite piece, which increases the shear force of the bit while sharing the fatigue wear of the front row of composite piece, and strengthens the wear-resistant degree at the diameter-retaining place, and the crown adopts the parabolic structure, which greatly improves the footage in the drilling process.
| Bit type | 12-1/4" SS1605DFX | |
| lADC Code | S423 | |
| Number of Blades | 6 | |
| Cutter Size(mm) | Φ15.88MM; Φ13.44MM | |
| Cutter Qty | Φ15.88x24; Φ13.44x49 | |
| Nozzle Qty | 7NZ TFA:1310.38mm² | |
Channe1 area of chip removal chute (mm²) |
19980.0 mm² | |
| Gauge protector length (mm) | 75mm | |
| Connector | 4-1/2"API REG | |
| N.W/G.W.(KG) | 54/70KG | |
| Nozzle Size(inch) | 5/8x5; 9/16x2 |
1. Check whether the last bit used has any damage, cutter dropping, diameter reduction, etc., make sure there is no cutter and other hard articles of cemented carbide or steel at the bottom of the well after the last use of the bit, and clean the bottom of the well if necessary.
2. Check whether there is any abnormality in the cutters of the drill bit, whether there is O-ring in the nozzle hole, and install the nozzle as required.
3. Clean the bit male or female thread and apply thread oil.
4. Install the unloader on the drill bit and lower the drill string so that it comes to contact with the male or female thread and make up.
5. Put the drill bit and the unloader into the turntable bushing, and then tighten the screw thread according to the recommended torque value.
Weifang Shengde Petroleum Machinery Manufacturing Co. , Ltd. is a professional company integrating R & D, design and production. China National Petroleum Corporation (CNPC) and China National Petroleum Sinopec Corporation (CNPC) are first-class network suppliers of oil drilling and production machinery manufacturing. The main products are Downhole Motor series, screw pump series, PDC bit series. Compared with the domestic and foreign product quality, in the leading level. The annual production capacity has reached 4000 sets of Downhole Motor and 2500 sets of oil drilling bit. The products are sold to domestic and foreign markets and are widely praised and praised by customers.
2.Independent physical and chemical laboratory, professional inspection engineers, can handle any mechanical performance tests and heat treatment experiments.
3.All kinds of Oil drilling bit models complete, dedicated to serve you.
Suppliers with verified business licenses
Audited Supplier 
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