Key Features and Specifications
Modes : Most rotary hammers are multi-functional and come with three main modes:
Drill Mode : The tool acts like a regular drill for drilling into wood, metal, or plastic.
Rotary Hammer Mode : This is the primary function, combining both rotation and hammering to drill into concrete and masonry.
Hammer-Only Mode : The rotation is disengaged, turning the tool into a small jackhammer for chipping, chiseling, and light demolition tasks like removing tiles or concrete.
Impact Energy (Joules) : The power of a rotary hammer is measured in Joules (J) A higher Joule rating indicates a stronger impact and better performance in tough materials. Most models for general use have an impact energy of 1.5 to 5.0 Joules, while professional demolition hammers can go much higher.
Chuck System (SDS) : Rotary hammer ...