The Ultimate Blue-Collar Challenge: Can You Identify These 20 Hardcore Concrete Tools?

What specific chuck mechanism is standard on heavy-duty rotary hammer drills to keep concrete bits from slipping under hard impacts?

80%

Correct!

Incorrect!

SDS (Special Direct System) chucks feature keyless grooved slots. Rather than relying on simple clamp friction, the SDS bit locks deep inside matching tracks. This lets it hammer back and forth freely without slipping out of the chuck.

What specific chuck mechanism is standard on heavy-duty rotary hammer drills to keep concrete bits from slipping under hard impacts?

SDS Chuck

Keyed Jacobs Chuck

Hex drive lock

Magnetic collar

80%