Coal mining drill rod,coal mining bit

Applications: apply to the anchor-network support hole drilling in coal mine, hydraulic project. Etc.

Characteristics:

High wear resistance and impact-resistance toughness.To repeat repair & greaning are not necessary, long drill life.High efficiency could be promoted sharply in penetration of high-medium hard rock formation.Labour intensity could be reduced.Rock formation to be suitable t:f=4-12

3 wings/ 2 wings

Product description:

The coal bits are mainly used in coal and mine drilling, have dry-type & wet-type.

We can do different measures according to customer’s requirements.

Colliery Drilling Tools	Main Standard(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

For more detailed specifications or catalog please feel free to contact with us.

MOB:86-15039063073

TEL:86-371-66729958

FAX:86-371-66727663

QQ:508560689

S:katherine.paul6