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  • 152mm 3 1/2 REG 3 Blades Drag Drill Bit
  • 152mm 3 1/2 REG 3 Blades Drag Drill Bit
  • 152mm 3 1/2 REG 3 Blades Drag Drill Bit
  • 152mm 3 1/2 REG 3 Blades Drag Drill Bit
  • 152mm 3 1/2 REG 3 Blades Drag Drill Bit
  • 152mm 3 1/2 REG 3 Blades Drag Drill Bit
  • 152mm 3 1/2 REG 3 Blades Drag Drill Bit
  • 152mm 3 1/2 REG 3 Blades Drag Drill Bit
  • 152mm 3 1/2 REG 3 Blades Drag Drill Bit
  • 152mm 3 1/2 REG 3 Blades Drag Drill Bit

152mm 3 1/2 REG 3 Blades Drag Drill Bit

Drage bit size: 3 7/8″ to 18″
Available threads: 2 3/8″, 2 7/8″, 3 1/2″, 4 1/2″.
Model Number:
152mm 3 1/2 REG
Product name:
3 wings drag bit
API:
2 3/8", 3 1/2", 4 1/2" Support Customization
Description
152mm 3 Blades Drag Drill Bit
Products Description
Step drag bit is a drill bit which has been specifically designed for drilling into soft soil and rock conditions.  
They are best suited for drilling into sandy soil, clay, shale, limestone, gravel, marl etc and typically used for water well drilling, mining, geothermal, and mineral exploration drilling operations being conducted into soft rock.  They are also well suited for drilling pilot holes. 

Features • A solid one piece heat treated, 4140 alloy steel body for bit strength & durability; • CNC threaded machining for proper installation &use; • Forgings are milled to better seat the carbide inserts. • Select tungsten carbide inserts 5.5mm thick are standard. • Relief is hand ground behind carbide inserts for maximum performance.
Applications
Step drag bits are recommended for drilling in Mining, Exploration, Environmental, Water well, Geo Exchange, etc.
3wings step drag bit advantage. Copper brazing tungsten carbide , welding technology: Advanced technology---We process our bit with Copper brazing welding which ensures the best hardness and avoids alloy flakes falling. 3wings step drag bit. Body and wings intergrated:which ensures that the wings does not break during working, even in hard rock formations. 2.3/8 API Reg good quality Thread turned by CNC machine for more accurate coupling with drill rod
FAQ
The information you may like to know before order:
1. Are you a manufacture or a trade company?
We are a professional manufacturer.

2. Handling time for an order
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.

3. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.

4. After Services:
1. Our sales team will response for your question within 24 hours (Holidays Excluded).
2. Technical Support will be available in any time.
3. Free replacement will provide once the failure confirmed caused by our product quality.

5.Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight.

6.Do you have quality control system?
Yes, we check every production process and test pressure for each tool to make sure no problem.

7.How can I get a brochure and buy your products?
Very easy!Please leave me a message and tell me your requirements, let me know you are interested in our products. Will talk to you about the details shortly.

8.Can you tell me your size and specification?
1.Give me your drawing with detail requirements.
2. Give me the product no.after you checked our booklet.
3. Don't forget to tell me the quantities, this is very important.
4. Give me your size and specifications.
5. Your destination port.
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