| Customization: | Available |
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| Customized: | Customized |
| Standard: | API |
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| Bit | Specifications | Recommended Parameters | ||||
| Size | Blade | Primary Cutter Size | Connetcion | Rotary Speed (rpm) | Weight On Bit (KN) | Flow rate (lps) |
| 4" | 4 | 13mm | 2 7/8" API REG | 60-250 | 10-100 | 15-30 |
Application: Suitable for medium hard formation with high compressive strength and abrasiveness, such as mudstone, dolomite, sandstone, etc.
1. 30 years rich experience in drill bits producing. Ruishi was founded in 1990.
2. Professional R & D team, offering OEM service.
3. Premium quality and favorable price. Reduce your comprehensive drilling cost.
4. API 7-1 & ISO9001 certificated.
5. Win highly prasied from our respected clients, reach deep cooperation with loyal customers domestics and abroad.
6. First grade supplier of Sinopec, CNPC and CNOOC for many years.
1.Q:What kind of packing do you have?
A:Plywood box or as your required.
2.Q:What is your price advantage?
A:We are 100% factory directly sales,API production process guarantee,Provide OEM services for you.
3.Q: Wonder if you accept small orders?
A: Yes, of course.
4.Q:Can you do OEM for me?
A:We accept all OEM orders,just contact us and give me your design.
5.Q:When can I get the quotation ?
A:We quote you ASAP after recieving your inquiry.
6.Q:Are you a manufacturer or trading company?
A: We are professional manufacturer.
7.Q: What kind of shippment method you provide?
A: By sea, air press or by train and other transports.
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