SDS-plus with 4 carbide cutting edges · Long service life, even when hitting reinforcement elements · Multiple cutter for concrete and reinforcing steel · With sunken carbide head for extreme toughness when encountering reinforcing steel and powerful drilling · Quick drilling progress · Optimised head and spiral design for extremely effective bore dust transport and minimum dust conflagration even in deep bore holes · Minimum vibration by computer-calculated spiral reduces the stress on the user · Easy spot drilling thanks to centring point