8 1/2" Carbide Insert Rotary Rotary Drill Bits Water Well Drill Bits
Brand Name:ENG
Certification:API, AISI, ISO
Model Number:617XT
Minimum Order Quantity:1 piece
Delivery Time:8 WEEKS
Payment Terms:L/C, T/T, Western Union
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Address:
A131 Science & Technology Innovation Park ,Free Trade Zone, Zhangjiagang city ,Jiangsu Province ,China .
Supplier`s last login times:
within 25 hours
Product Details
Company Profile
Product Details
Cost-Effective 8 1/2" Rotary Rotary Drill Bits Water Well Drill Bits
- Product profile
- Carbide insert with high strength and wear resistance are adopted to improve the wear resistance and cutting efficiency.
- New journal bearing structure greatly prolongs the working life of the bearing, and has the ability to withstand medium bit pressure and adapt to high speed.
- New flat rubber sealing ring is more suitable for the working environment and using parameters of roller cone bit.
- New sealing structure makes the sealing performance match with the bearing, thus greatly prolongs the service life of the drill bit.
| Product Specifications | |
| Diameter | 8 1/2" 216mm |
| Bearing Type | Journal bearing/flat rubber seal ring |
| Drilling cycle type | Mud circulation |
| Connection thread ty | 4 1/2'' REG |
| Operation Parameters | |
| Rotary speed (r/min) | 40-80 r/min |
| Weight on Bit (KN) | 0.5～1.05 kN/mm |
| Formation | high compressive strength, medium hard and abrasive formations, such as limestone, dolomite, sandstone, chert, etc. |
About Us
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FAQ
| Q: You are a trading company or manufacturer ? |
| A: Manufacturer, We are a 100% real factory with over 20 years' experience in water/oil/gas wells Drill Bits. |
| Q: How about your products ? |
| A : Both of tricone bits and PDC bits strictly conform to API 7 requirements and ISO9001. we will do kinds inspections before delivery, also cover for after-sales service. |
| Q: Package Methods ? |
| A: Normally wooden case, also can be steel box; can be customized if need. |
| Q: Payment Terms ? |
| A: we accept T/T, L/C, Paypal, Western Union, etc. |
| Q: Can I visit your factory ? |
| A: Yes, we welcome you to our factory all the time, will send invitation letters if need; also can show our workshop and warehouse online. |
8 1/2" Carbide Insert Rotary Rotary Drill Bits Water Well Drill Bits
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