Why is a pillar drill bigger than a bench drill?

A pillar drill is typically larger than a bench drill because it is designed for heavier and more industrial applications, allowing for greater stability and precision during drilling. Its larger size accommodates a more powerful motor and a more robust frame, enabling it to handle deeper and larger holes in tougher materials. Additionally, the vertical column of a pillar drill provides a higher level of control and depth adjustment compared to the compact design of a bench drill, which is more suited for lighter, home-based tasks.