Down-the-hole drill bit

with buttonsfor rock

Better material for better service life We are using better material 23CrNi3MoA round steel to make sure our drilling tools can have longer service life. Fully carburized with an advanced heat treatment process. The introduction of professional CNC machine tool processing equipment and processing technology. Ensures superior toughness and fatigue strength for shank shanks for a variety of drilling conditions. Advanced Machining Equipment Metallographic testing equipment; Processing machine; Carbon and sulfur testing equipment; Vacuum heat treatment furnace; Pit carburizing furnace; Heat Treatment Control Room.