Carbide Drilling Tips

Tungsten Carbide Button for Mining Tools

Carbide buttons due to its high hardness of the cemented carbide and other characteristics are widely used in mining and quarrying and cutting process, also may be placed on a heavy excavators used in bit.


Recommended Grade:

Grade

Density

Hardness

Grain   size

Bending   Strength

g/mm3

HRA

μm

N/mm2

LB15

14.75

89.2

2.4—4.0

3000

LB05

14.95

90.4

2.4—4.0

2800

LB10

17.95

90

2.4—4.0

2250


Application to the low-pressure of DHT drill bits, which drilling for medium hardness and under hardness rock layer. Can also be used in high-pressure hole drill bit with teeth, drilling soft rock layer. The recommended grade is LB05.


Application to the high pressure DHT drill bit, suit for drilling in the hard rock. The recommended grade is LB10.

 

Application to the high pressure DHT drill bit, suit for drilling in the hard rock and the very hard rock layer. The recommended grade is LB15





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