Structure Features:

1. This series of drill bits are divided into two types: inserted tooth (517/537/437) and steel tooth (111 / 114 / 121 / 124 / 127) .

2. Insert tooth bit with sealing, oil storage sliding bearing and spray type oil with three roller bit. Adopting the optimized design, the teeth placement of cone is reasonable, the tooth shape and height are designed differently in accordance with various kinds of rock Formations, and gage protection is better. The bear system which is adopted copper inlaid and silver plating improve the loading capacity and seizure resistance, and prolong the bit working life. This product is widely used for oil and natural gas field’s drilling and geological exploitation. Using this product, the high drilling efficiency can be achieved.