Hejian Longxin Metal Material Co., Ltd. [China]

1. Bit sizes and cone types can be customized as you special order 2.It is suitable for the large size well, mining and infrast

1. Very large customized diameter

2.Seal and LubricationHigh performance HNBR O-ring for bearing seal and advanced grease for lubrication.

3.Product ApplicationIt is suitable for the large size well, mining and infrastructure applications.

 4.Main Availability, ( Bit sizes and cone types can be customized as you special order)

assemble drill bit