China High and Low Air Pressure DTH Bit for DTH Hammer, Find details about China DTH Bit, DTH Bits from High and Low Air Pressure DTH Bit for DTH Hammer
Head Diameter : | 64 mm -200 mm (D) |
Button Type: | Semispherical Button, Ballistic Button, Conical Button |
Bit Face: | Flat Face, Concave Face, Convex Face, Drop-Center Face |
Material: | High quality tungsten carbide |
Semispherical button: | This type button is suitable for very abrasive and very hard rock formations, it's usually used as gauge buttons of DTH bits. |
Ballistic button / Parabolic button: | This type button is suitable for medium abrasive and hard rock formations, it's usually used as gauge buttons and front buttons of DTH bits. |
Conical button: | This type button is suitable for medium abrasive and medium hard formations, it's usually used as front buttons of DTH bits, If the rock is soft, it can be also used as gauge buttons. |