The main technical parameters of the lip surface of a impregnated diamond drill bit include the type, grain size, concentration, and grade of diamond, the hardness of the matrix, and the shape of the lip surface. If users choose our drill bits reasonably according to the formation conditions, they can achieve satisfactory drilling in various formations with different hardness and abra... https://www.wuxipolysource.com/impregnated_diamond_drill_bit_show/104.html