Electric drill is a kind of drilling machine powered by electricity. It is a conventional product in power tools and the most demanding power tool product. Annual production and sales account for 35% of the national power tools.

The main specifications of electric drills are 4, 6, 8, 10, 13, 16, 19, 23, 32, 38, 49mm, etc. This figure refers to the maximum diameter of drilling holes in steel with tensile strength of 390N/mm2. For non-ferrous metals, plastics and other materials, the maximum drilling diameter can be 30 ~ 50% larger than the original specification.