The new Hilti TE 60 is the first class of Hilti SDS-MAX rotary hammer drill to feature the Hilti Connect app, which lets you use any NFC-enabled device to do everything from getting a comprehensive tool history and summary to sending in a request for a repair from the jobsite. The Hilti SDS-MAX hammer drill has 340 RPM delivering 3400 impacts per minute. Optimum drilling diameter in concrete is 11/16 in. to 1-9/16 in. You'll get more work done with innovative and exclusive features like Active Vibration Reduction (AVR) to improve operator comfort and a detachable power cord. Optional DRS-Y dust removal system (DRS) collects up to 95% of dust.