Product name: 7 Degree 37mm Tapered Button Bits For Drill Rod In Hand Rock Formation Product category: DTH taper drill bit Button Shape: normally is ballistic button, also available for spherical button Matched ... Read More
Product name: 38mm 7 Degree Tapered Button Bits For Rock Drilling With Pneumatic Rock Drill Rod Product category: DTH taper drill bit Button Shape: normally is ballistic button, also available for spherical ... Read More
Product name: 7 Degree 33mm Tungsten Carbide Tapered Drill Button Bits For Blasting Product category: DTH taper drill bit Button Shape: normally is ballistic button, also available for spherical button Matched ... Read More