Bullet Bit Tungsten Carbide Coal Mining Tools

Alloy steel Body, made by material ASTM4142 or 42CrMo,heat treatment with 40-44HRC hardness, has high toughness and wearable character. The unimate round shank bit.rock drilling teeth.tungsten carbide drill rocK bit adapt to the machine with all the performance features such as a high feed rate.a long service life and short tool changing times.Together with the parts supply assurances high daily production volume, and above-average economy is guaranteed. product application; The complete tools apply for foundation creation,trenching,soiid waii,mining,water well driiiing,tunneliing.