The GMD120 DTH bits come in various head configurations to adapt to different drilling conditions and rock formations. Typically equipped with hemispherical or round tungsten carbide inserts, these bits are also available with parabolic or ballistic inserts in many sizes. For added versatility, a combination of hemispherical and parabolic inserts can be used. Button bits are manufactured in a wide range of sizes to fit the most common Down-The-Hole hammers, with parts fully interchangeable with Sandvik K4.
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