Description:
Our company specializes in producing various kinds of coal drillbit.
Applications: Apply to the ancher-network supporthole drilling in coal mine, hydraulic project, etc.
Characteristics:
1. High wear resistance and impact-resistancttoughness;
2 to repeat repair & greaning are notnecessary; long drill life;
3 high efficiency could be promoted sharplyin penetration of high-medium hard rock formation;
4 labour intensity could be reduced.
5 Rock formation to be suitable t:f=4--12
3 wings; 2 wings of 1/2PDC ; 2 wings1PDC; inner spiral.
We can do different measures according to customer’srequirements.
Colliery Drilling Tools | MainStandard(mm) | |||
D | H | L | M | |
Thread joint | 27 | 44 | 17 | M14×1.5 |
27 | 54 | 17 | M12×1.75 | |
28 | 54 | 20 | M12×1.75 | |
29 | 52 | 18 | M14×1.5 | |
30 | 50 | 18 | M14×1.5 | |
32 | 52 | 22 | M14×1.5 | |
32 | 56 | 22 | M12×1.75 | |
Please feel free to contact with Ms.Carey Gao formore detailed specifications.
