Description

Product Description
 
IADC code:  **6 **7 *2 ***7 **6 **7 **6 **7 **6 **6 **6 **7 **6 **7 **6 **7 
                       **5 **5 **5 **5 **5 **5 **5 **5 **5 **4 **4 **4 **4 **1 **1 **1 **6 **7
 Available sizes: from 2 7/8 to *6 ( larger sizes for hole opener bit ,reamer bit )
Bearing type:  sealed bearing and non-sealed bearing
                       (The sealed bearing include:
                        the metal sealed journal bearing and the  rubber sealed journal bearing)
Formation or layer : soft ,medium soft ,hard,medium hard
Button size (extra features):  Button bit,saw teeth
                                              1) Y-Conical teeth  
                                              2) X-chisel teeth
                                              3)K- wide teeth
                                              4)G- Gague protection
Material: tungsten Carbide
Cutting Structure
The durability of premium tungsten carbide insert is improved with new formulas and new techniques and new techniques. The wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces.
Bearing Structure
Non-sealed roller bearing. Drilling fluid can enter the bearing directly for cooling; Balls lock the cone which reduces the probability of cone ropping to minimum.
Product Application
It is suitable for the shallow well, water well and geothermal well.