The Self Drilling Anchor system is comprised of a hollow threaded anchor bar with a sacrificial drill bit that performs drilling, anchoring and grouting in a single operation. Self drilling anchor system is mainly used in slope stabilization, tunneling pre-support, foundations with micro piles etc jobs, which is widely used in mining, tunneling, railway, metro construction etc projects.
PDC anchor bit is one kind of commonly used 2-wing or 3-wing small bit in mining, which is mainly used in the industries e.g. coal mine and water conservancy and hydropower, etc.