Custom Impact Driver Drill Bit Adapter For Underground Blasting , High Performance

impact driver drill bit adapter Drill Shank Adapter for underground blasting Description: The drill of the rock drilling machine is subjected to the impact of the rock drill and the part that applies the torque. It should have high toughness and no plastic deformation properties. The shank can be part of the shank or it can be made as a separate stern. The brazing tail is mainly used for mining operations, and high-quality alloy steel is used as the raw material, and the