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A rock drill, commonly known as an "air leg rock drill" or "wind drill", is a portable tool that uses compressed air as its power source and is used to drill blasting holes in rocks.
Bit without foot valve will avoid the problem of foot valve broken or thermal expansion
The drill Rods is a series of hollow steel pipes connected end to end in the drilling equipment. Its main function is to transfer the power from the top of the drilling machine to the drill bit at the bottom of the hole, and at the same time serves as a channel for transporting the flushing medium (air, water or mud) to the bottom of the hole.
The drill bit is the "teeth" at the very front end of the drill pipe or drill string. It is the tool that directly contacts and breaks the rock to form the hole.
The drill bit is the "teeth" at the very front end of the drill pipe or drill string. It is the tool that directly contacts and breaks the rock to form the hole.