20 mm Rock Bullet Bits Scrap

20mm rock bullet bits scrap is a material that is made from the highest quality tungsten carbide steel.  These bits are then heat-treated to the proper hardness which facilitates excellent surface that come with compression and fatigue resistance. They are hardened drills for making holes in hard rock. 20mm rock bullet bits scrap are made of alloy steel and offer a precision machine to produce a perfect drilling tool. They specialize in mining, with reinforced chassis, and help to run more powerful engines.