DTH Bits - Supplier of High Quality Down The Hole Bits in ...
Tungsten Carbide Insert. Design Hammer Bits come equipped with tungsten carbide inserts (buttons), which are offered in three basic designs: Dome/Spherical, Ballistic and Parabolic. You may also request conical or double dome buttons, or a combination of buttons with one type on the face of the Bit and another type on the gauge of the Bit.
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