What is 168 Symmetric Overburden Casing Systems Concentric Drilling Device
Price
Min. Order Reference FOB Price
1 Set US$1,500.00-2,000.00 / Set
Sepcifications
- Customized Customized
- Length Taper-length
- Type Center Drill Bit
- Material High Carbon Steel
- Usage Well Drilling
- Transport Package Standard Export Package
- Specification 168
- Trademark Hengwang
- Origin Shandong, China
- Name Concentric Casing Systems Drilling Tools
- Casing Tube O.D. 168mm
- Bit Diameter 146mm
- Casing Shoe I.D. 140mm
- Maximum Reaming O.D. 184mm
- Hammer Style 5"
Product Description
Product Description The Symmetric/Concentric drilling system is designed to drill and case a hole simultaneously through unstable ground conditions. The driver bit incorporated with a satisficial ring or reusable ring makes a full face head design which significantly improves the penetration rate ...
