Best Drilling Machine for Heavy-Duty Industrial Applications

A good drilling machine should have enough power, be able to control its movement, and be built in a way that works with the material being drilled. It can cut cores up to 100 mm in diameter and has a strong motor with two speeds. Its geared motor can move about 500 mm and can take out cores that are 400 to 450 mm long all at once. The motor is 1100W and runs on 220V AC.