DTH drill bit

*Raw material: premium quality nickel-alloy steel 23CrNi3Mo and YK 05 tungsten carbide *Bits diameter: 85-280mm *Working pressure:10-30bar *High air pressure Shank types: DHD, COP,Mission, QL, SD etc. *Bit face types: flat face,drop center , concave face, convex face *Button types:spherical, parabolic/semi-ballistic, ballistic,sharp and flat button *Rock Applications: very hard and abrasive rock formation, medium-hard and homogeneous formation, soft rock and fissured rock formations