Bulk Supply Rock Auger Pilot Bits C31HD for Foundation Equipment

Bulk Supply Rock Auger Pilot Bits C31HD for Foundation Equipment. High-Strength Alloy Body: Casting with premium 42CrMo steel and heat-treated for extreme durability, ensuring the pilot bit withstands high torque and heavy impact in rock. Fully Customizable Design: We support customized carbide tooth counts and various connection types (Threaded, Square, or Hex) to perfectly match your specific drilling rig. Optimized Penetration Rate: Precision-engineered geometry maximizes drilling efficiency and reduces vibration, significantly extending the service life of your foundation tools.