The Largest Russian Manufacturer of Rock Bits
Horizontal/ Directional

UralBMT produces a wide range of Three Cone Rock bits for the Horizontal and Directional drilling in sizes from 4¾" to 6¾". The customers may use the recommendations listed below in the Table to choose the most popular size and type of Three Cone Rock bit for their Horizontal and Directional drilling needs. 

UralBMT created this Table based on many years of engineering and field experience, and the input from customers throughout the world (especially from Russia and the United States).

To use the Table, please follow these steps: 
1. Choose the type of Geological Formation by clicking on the appropriate heading in the table. 
2. Once the type of Geological Formation has been selected, follow the column to the desired Three Cone Rock bit diameter. 
3. To obtain the recommended best and second best choices, click on the square that you have intersected

Legend: - Best choice  - Second best choice

Size Geological Formation
Non-Abrasive Abrasive
inch mm soft medium hard soft medium hard
120.6 794BMT04750527M3794BMT04750547C3 794BMT04750547C3794BMT04750527M3 794BMT04750547C3794BMT04750527M3 794BMT04750527M4794BMT04750547C4 794BMT04750547C4794BMT04750527M4 794BMT04750547C4794BMT04750527M4
4 123.8 794BMT04875527M3794BMT04875547C3 794BMT04875547C3794BMT04875527M3 794BMT04875547C3794BMT04875527M3 794BMT04875527M4794BMT04875547C4 794BMT04875547C4794BMT04875527M4 794BMT04875547C4794BMT04875527M4
5 127 794BMT05000527M3794BMT05000547C3 794BMT05000547C3794BMT05000527M3 794BMT05000547C3794BMT05000527M3 794BMT05000527M4794BMT05000547C4 794BMT05000547C4794BMT05000527M4 794BMT05000547C4794BMT05000527M4
5 130.2 794BMT05125527M3794BMT05125547C3 794BMT05125547C3794BMT05125527M3 794BMT05125547C3794BMT05125527M3 794BMT05125527M4794BMT05125547C4 794BMT05125547C4794BMT05125527M4 794BMT05125547C4794BMT05125527M4
133.4 794BMT05250527M3794BMT05250547C3 794BMT05250547C3794BMT05250527M3 794BMT05250547C3794BMT05250527M3 794BMT05250527M4794BMT05250547C4 794BMT05250547C4794BMT05250527M4 794BMT05250547C4794BMT05250527M4
139.7 794BMT05500527M3794BMT05500547C3 794BMT05500547C3794BMT05500527M3 794BMT05500547C3794BMT05500527M3 794BMT05500527M4794BMT05500547C4 794BMT05500547C4794BMT05500527M4 794BMT05500547C4794BMT05500527M4
5 142.9 794BMT05625527M3794BMT05625547C3 794BMT05625547C3794BMT05625527M3 794BMT05625547C3794BMT05625527M3 794BMT05625527M4794BMT05625547C4 794BMT05625547C4794BMT05625527M4 794BMT05625547C4794BMT05625527M4
6 152.4 794BMT06000527M3794BMT06000547C3 794BMT06000547C3794BMT06000527M3 794BMT06000547C3794BMT06000527M3 794BMT06000527M4794BMT06000547C4 794BMT06000547C4794BMT06000527M4 794BMT06000547C4794BMT06000527M4
6 155.6 794BMT06125527M3794BMT06125547C3 794BMT06125547C3794BMT06125527M3 794BMT06125547C3794BMT06125527M3 794BMT06125527M4794BMT06125547C4 794BMT06125547C4794BMT06125527M4 794BMT06125547C4794BMT06125527M4
158.7 794BMT06250527M3794BMT06250547C3 794BMT06250547C3794BMT06250527M3 794BMT06250547C3794BMT06250527M3 794BMT06250527M4794BMT06250547C4 794BMT06250547C4794BMT06250527M4 794BMT06250547C4794BMT06250527M4
6 161.9 794BMT06375527M3794BMT06375547C3 794BMT06375547C3794BMT06375527M3 794BMT06375547C3794BMT06375527M3 794BMT06375527M4794BMT06375547C4 794BMT06375547C4794BMT06375527M4 794BMT06375547C4794BMT06375527M4
165.1 794BMT06500527M3794BMT06500547C3 794BMT06500547C3794BMT06500527M3 794BMT06500547C3794BMT06500527M3 794BMT06500527M4794BMT06500547C4 794BMT06500547C4794BMT06500527M4 794BMT06500547C4794BMT06500527M4
171.4 794BMT06750527M3794BMT06750547C3 794BMT06750547C3794BMT06750527M3 794BMT06750547C3794BMT06750527M3 794BMT06750527M4794BMT06750547C4 794BMT06750547C4794BMT06750527M4 794BMT06750547C4794BMT06750527M4
inch mm soft medium hard soft medium hard
Size Non-Abrasive Abrasive
Geological Formation

Legend: - Best choice  - Second best choice

Recommendations also provided for other drilling sectors, including Mining and Mineral Exploration, Gas/ Oil, Water Well, Environmental, GeotechConstruction drilling, which may also fulfill your needs.
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