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Tungsten Carbide Button Bit

With the rapid development of mining industry, tungsten carbide button bit is widely used in coal mining, rock drilling and oil drilling industries. Generally, speaking, tungsten carbide button bits are usually designed to cope with many varied drilling conditions, and they can be easily replaced when they are worn and damaged. When selecting tungsten carbide button bits, customers are usually required to provide rock hardness, drilling machine's model and power, etc.


The following sheet lists the main grades recommended for tungsten carbide button bits:

CTOMS Grade Equal to ISO Density (g/cm3) Hardness (HRA) TRS (N/mm2) Application
YG8C K30 14.7 88 2200 Mostly used as the buttons of small and medium sized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium hard formations.
YG11 K40 14.3 88 2100 Largely for the inserts and buttons of percussion bits and tri-cone bits to cut medium-hard, and extremely hard formations.
YG11C K40 14.35 87.5 2200 Largely for the inserts and buttons of percussion bits and tri-cone bit to cut medium-hard, and very hard formations.
   YG15    K40 14 86.5 1500 Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations.

Advantages of tungsten carbide button bits vs. ordinary button bits:
1. Tungsten carbide buttons bits cost less but equipped with higher quality;
2. Impact of tungsten carbide button bits is less damaging to the cutting structure;
3. The fracturing action of tungsten carbide button bits is better in non-homogeneous rock formations;
4. Tungsten carbide button bits are easier to control offering lower torque, greater flexibility and a more steadily tool face in directional drilling applications;
5. Tungsten carbide button bits are more steerable than ordinary bits in directional drilling.

Chinatungsten Online is equipped with rich experience in manufacturing tungsten carbide button tips, with finest quality and competitive price based on our 20 years manufacturing. If you are interested in it, please feel free to contact us.

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