Shapes for tungsten carbide buttonare mainly domed/round button, parabolic/semi-ballistic button, ballistic button and sharp button.
Domed/round buttons are usually used as guage buttons of DTH bits, suitable for very abrasive and hard formations.
Parabolic buttons are usually used as Guage buttons and front buttons of DTH bits, suitable for medium abrasive and hard formations.
Ballistic buttons are usually used as front buttons og DTH bits, suitable for medium abrasive and medium hard formations, they can also be used as gauge buttons if the rock is soft.
Sharp buttons are usually used as front buttons of DTH bits for soft formations, suitable for high rotation speed and low bit broken rate soft rock.
The tungsten carbide button is widely used in petroleum drilling, snow plow equipment, cutting tools, mining machinery, road maintenance and coal drilling tools. It is also can be used as an excavating tool for Tunneling, quarrying, mining and construction.
Link to this article：Different shape of tungsten carbide buttons
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