The rotary hammer drill is used to drill through hard concrete surfaces and hole up to 20mm in diameter. These are the heavy-duty machine which finds a wide range of applications in home and workshop where heavy-duty drilling is involved. Its ergonomic design and easy-to-use features make it suitable for DIY applications as well as workshop jobs. This versatile tool can be used in drill mode and hammer drill mode, making it suitable for both professionals as well as DIY'ers. The rotary drill mode is suitable for simple drilling and driving applications while the hammer drill mode allows for heavy drilling in masonry.