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Place of Origin: | Suzhou, China |
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Brand Name: | ENG |
Certification: | API, AISI, ISO |
Model Number: | 617XT |
Minimum Order Quantity: | 1 piece |
Price: | USD 1000-6000 piece |
Packaging Details: | Wooden Box |
Delivery Time: | 8 WEEKS |
Payment Terms: | L/C, T/T, Western Union |
Supply Ability: | 5000PCS/Year |
Diameter: | 8 1/2'' (216mm) | Bearing Type: | Journal Bearing/flat Rubber Sealing Ring |
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Drilling Cycle Type: | Mud Circulation | Connection Thread Type: | 4 1/2'' REG |
Bit Weight: | 38 Kg | ||
Highlight: | Carbide Insert Rotary Drill Bits,8 1/2" rock roller drill bit,8 1/2" Tricone Drill Bit |
Cost-Effective 8 1/2" Rotary Rotary Drill Bits Water Well Drill Bits
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
Certifications
Package&Shipping
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. |