UralBMT produces a wide range of Three Cone Rock bits for the Water Well industry in sizes from 2" to 9". 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 Water Well 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
2	75
3	76.2
3	79.4
3¼	82.6
3	98.4
4	101.6
4	104.8
4½	114.3
4¾	120.6
4	123.8
5	127
5	130.2
5¼	133.4
5½	139.7
5	142.9
5	149.2
6	152.4
6	155.6
6¼	158.7
6	161.9
6½	165.1
6¾	171.4
7	200
9	250.8
inch	mm	soft	medium	hard	soft	medium	hard
Size		Non-Abrasive			Abrasive
		Geological Formation

Legend: - Best choice  - Second best choice

Recommendations are also provided for other drilling sectors, including Mining and Mineral Exploration, Gas/ Oil, Construction, Environmental, Geotech, Horizontal/ Directional drilling, which may also fulfill your needs.

To [Three Cone Rock bits Configuration Table]