Question

nccer 00104 - introduction to power tools
55min
what material is drilled with a hammer drill?
concrete
stainless steel
cast iron
hardwood

Explanation:

Hammer drills are designed for drilling hard materials like concrete. They combine rotation with a hammering action to break through tough surfaces. Stainless steel, cast iron, and hardwood can be drilled with regular drills, not specifically requiring the hammering function of a hammer drill.

Answer:

concrete