Carbide coal bits

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.

Carbide coal bits