Particularly employed for drilling hard rock formations, hydraulic down-the-hole hammer is a tool of great importance in the domains of contemporary mining, building, and geotechnical engineering. Its distinctive design and effective working concept enable it to eliminate the many difficulties of conventional drilling techniques in hard formations and accomplish a rapid and effective drilling operation.

Hydraulic down-the-hole hammers have a broad application area spanning mining exploration, infrastructure building, water well drilling and other sectors. The production efficiency of the sector is much enhanced by its advantages and operational ability. To provide practitioners in linked sectors reference and assistance, this paper will go in-depth on the working principle, application benefits, installation operation and maintenance of hydraulic down-the-hole hammer.