A PDC bit (Polycrystalline Diamond Compact bit) is a fixed-cutter drilling tool widely used in HDD and directional drilling applications. Unlike roller cone bits, PDC bits use synthetic diamond cutters to shear through rock formations efficiently, delivering faster drilling speeds and longer service life.

PDC bits are widely preferred in directional drilling because they offer excellent steering capability, low vibration, and high drilling efficiency in suitable ground conditions.

PDC bits for HDD perform best in the following formations:

• Clay
• Sandstone
• Shale
• Limestone
• Soft to medium-hard rock