Once the teeth have been attached, the drill bit is ground and polished to ensure that it is perfectly round and smooth. This is critical for ensuring that the drill bit operates smoothly and efficiently, and also helps to prevent damage to the drilling equipment.

Our company is a reliable and long-standing manufacturer of drilling tools. PEERCHEER especially offers a complete range of diamond core drilling tools, such as core barrels, overshots, drill rods, casing tubes, core drill bits, reaming shells, casing shoes & rod shoes, core barrel spare parts, drilling accessories etc.
Our aim is to manufacture and supply high quality drilling tools for geological exploration, mining and tunneling, geotechnical drilling, water well drilling etc. We are committed to providing our customers with high quality products and superior service at competitive prices. By now, PEERCHEER has deliverd our drilling products to over 30 countries and regions around the world. Our factory has several production lines. Our employees and technical engineers keep innovating through the years, and our staff is committed to providing the newest and best products to our customers around the world.